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\"http:\u002F\u002Fmybatis.org\u002Fdtd\u002Fmybatis-3-mapper.dtd\">\n\u003Cmapper namespace=\"com.wangkun.mybatis.mapper.UserMapper\">\n\n    \u003C!--int insertUser();-->\n    \u003Cinsert id=\"insertUser\">\n        insert into t_user\n        values (null, 'admin', '123456', 23, '男', '12345@qq.com')\n    \u003C\u002Finsert>\n\n\u003C\u002Fmapper>\n",[937],{"type":17,"tag":293,"props":938,"children":939},{"__ignoreMap":7},[940,948,956,964,971,979,987,995,1003,1011,1018],{"type":17,"tag":329,"props":941,"children":942},{"class":331,"line":332},[943],{"type":17,"tag":329,"props":944,"children":945},{},[946],{"type":23,"value":947},"\u003C?xml version=\"1.0\" encoding=\"UTF-8\" ?> \u003C!DOCTYPE mapper PUBLIC \"-\u002F\u002Fmybatis.org\u002F\u002FDTD Mapper 3.0\u002F\u002FEN\"\n",{"type":17,"tag":329,"props":949,"children":950},{"class":331,"line":341},[951],{"type":17,"tag":329,"props":952,"children":953},{},[954],{"type":23,"value":955},"        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id=\"insertUser\">\n",{"type":17,"tag":329,"props":988,"children":989},{"class":331,"line":386},[990],{"type":17,"tag":329,"props":991,"children":992},{},[993],{"type":23,"value":994},"        insert into t_user\n",{"type":17,"tag":329,"props":996,"children":997},{"class":331,"line":394},[998],{"type":17,"tag":329,"props":999,"children":1000},{},[1001],{"type":23,"value":1002},"        values (null, 'admin', '123456', 23, '男', '12345@qq.com')\n",{"type":17,"tag":329,"props":1004,"children":1005},{"class":331,"line":403},[1006],{"type":17,"tag":329,"props":1007,"children":1008},{},[1009],{"type":23,"value":1010},"    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java.io.InputStream;\n\npublic class MybatisTest {\n    @Test\n    public void testInsert() throws IOException {\n\n        InputStream is = Resources.getResourceAsStream(\"mybatis-config.xml\");\n        \u002F\u002F 创建SqlSessionFactoryBuilder对象\n        SqlSessionFactoryBuilder sqlSessionFactoryBuilder = new SqlSessionFactoryBuilder();\n        \u002F\u002F 通过核心配置文件所对应的字节输入流创建工厂类SqlSessionFactory，生产SqlSession对象\n        SqlSessionFactory sqlSessionFactory = sqlSessionFactoryBuilder.build(is);\n        \u002F\u002F 创建SqlSession对象，此时通过SqlSession对象所操作的sql都必须手动提交或回滚事务\n        SqlSession sqlSession = sqlSessionFactory.openSession();\n        \u002F\u002F 创建SqlSession对象，此时通过SqlSession对象所操作的sql都会自动提交\n        \u002F\u002F SqlSession sqlSession = sqlSessionFactory.openSession(true);\n\n        \u002F\u002F 通过代理模式创建UserMapper接口的代理实现类对象\n        UserMapper userMapper = sqlSession.getMapper(UserMapper.class);\n        \u002F\u002F 调用UserMapper接口中的方法，就可以根据UserMapper的全类名匹配元素文件，通过调用的方法名匹配 映射文件中的SQL标签，并执行标签中的SQL语句\n        int result = userMapper.insertUser();\n\n        \u002F*上面两行代码就相当于*\u002F\n        \u002F\u002F sqlSession.insert(\"com.wangkun.mybatis.mapper.UserMapper.insertUser\");\n        sqlSession.commit();\n        sqlSession.close();\n\n        System.out.println(\"结果：\" + result);\n    }\n}\n",[1036],{"type":17,"tag":293,"props":1037,"children":1038},{"__ignoreMap":7},[1039,1047,1054,1062,1070,1078,1086,1094,1102,1109,1117,1125,1132,1140,1148,1156,1163,1171,1179,1187,1195,1203,1211,1220,1229,1238,1246,1255,1264,1273,1282,1290,1299,1308,1317,1326,1334,1343,1352],{"type":17,"tag":329,"props":1040,"children":1041},{"class":331,"line":332},[1042],{"type":17,"tag":329,"props":1043,"children":1044},{},[1045],{"type":23,"value":1046},"package 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MybatisTest {\n",{"type":17,"tag":329,"props":1141,"children":1142},{"class":331,"line":447},[1143],{"type":17,"tag":329,"props":1144,"children":1145},{},[1146],{"type":23,"value":1147},"    @Test\n",{"type":17,"tag":329,"props":1149,"children":1150},{"class":331,"line":456},[1151],{"type":17,"tag":329,"props":1152,"children":1153},{},[1154],{"type":23,"value":1155},"    public void testInsert() throws IOException {\n",{"type":17,"tag":329,"props":1157,"children":1158},{"class":331,"line":465},[1159],{"type":17,"tag":329,"props":1160,"children":1161},{"emptyLinePlaceholder":542},[1162],{"type":23,"value":545},{"type":17,"tag":329,"props":1164,"children":1165},{"class":331,"line":474},[1166],{"type":17,"tag":329,"props":1167,"children":1168},{},[1169],{"type":23,"value":1170},"        InputStream is = Resources.getResourceAsStream(\"mybatis-config.xml\");\n",{"type":17,"tag":329,"props":1172,"children":1173},{"class":331,"line":483},[1174],{"type":17,"tag":329,"props":1175,"children":1176},{},[1177],{"type":23,"value":1178},"        \u002F\u002F 创建SqlSessionFactoryBuilder对象\n",{"type":17,"tag":329,"props":1180,"children":1181},{"class":331,"line":667},[1182],{"type":17,"tag":329,"props":1183,"children":1184},{},[1185],{"type":23,"value":1186},"        SqlSessionFactoryBuilder sqlSessionFactoryBuilder = new SqlSessionFactoryBuilder();\n",{"type":17,"tag":329,"props":1188,"children":1189},{"class":331,"line":676},[1190],{"type":17,"tag":329,"props":1191,"children":1192},{},[1193],{"type":23,"value":1194},"        \u002F\u002F 通过核心配置文件所对应的字节输入流创建工厂类SqlSessionFactory，生产SqlSession对象\n",{"type":17,"tag":329,"props":1196,"children":1197},{"class":331,"line":685},[1198],{"type":17,"tag":329,"props":1199,"children":1200},{},[1201],{"type":23,"value":1202},"        SqlSessionFactory sqlSessionFactory = sqlSessionFactoryBuilder.build(is);\n",{"type":17,"tag":329,"props":1204,"children":1205},{"class":331,"line":694},[1206],{"type":17,"tag":329,"props":1207,"children":1208},{},[1209],{"type":23,"value":1210},"        \u002F\u002F 创建SqlSession对象，此时通过SqlSession对象所操作的sql都必须手动提交或回滚事务\n",{"type":17,"tag":329,"props":1212,"children":1214},{"class":331,"line":1213},23,[1215],{"type":17,"tag":329,"props":1216,"children":1217},{},[1218],{"type":23,"value":1219},"        SqlSession sqlSession = sqlSessionFactory.openSession();\n",{"type":17,"tag":329,"props":1221,"children":1223},{"class":331,"line":1222},24,[1224],{"type":17,"tag":329,"props":1225,"children":1226},{},[1227],{"type":23,"value":1228},"        \u002F\u002F 创建SqlSession对象，此时通过SqlSession对象所操作的sql都会自动提交\n",{"type":17,"tag":329,"props":1230,"children":1232},{"class":331,"line":1231},25,[1233],{"type":17,"tag":329,"props":1234,"children":1235},{},[1236],{"type":23,"value":1237},"        \u002F\u002F SqlSession sqlSession = sqlSessionFactory.openSession(true);\n",{"type":17,"tag":329,"props":1239,"children":1241},{"class":331,"line":1240},26,[1242],{"type":17,"tag":329,"props":1243,"children":1244},{"emptyLinePlaceholder":542},[1245],{"type":23,"value":545},{"type":17,"tag":329,"props":1247,"children":1249},{"class":331,"line":1248},27,[1250],{"type":17,"tag":329,"props":1251,"children":1252},{},[1253],{"type":23,"value":1254},"        \u002F\u002F 通过代理模式创建UserMapper接口的代理实现类对象\n",{"type":17,"tag":329,"props":1256,"children":1258},{"class":331,"line":1257},28,[1259],{"type":17,"tag":329,"props":1260,"children":1261},{},[1262],{"type":23,"value":1263},"        UserMapper userMapper = sqlSession.getMapper(UserMapper.class);\n",{"type":17,"tag":329,"props":1265,"children":1267},{"class":331,"line":1266},29,[1268],{"type":17,"tag":329,"props":1269,"children":1270},{},[1271],{"type":23,"value":1272},"        \u002F\u002F 调用UserMapper接口中的方法，就可以根据UserMapper的全类名匹配元素文件，通过调用的方法名匹配 映射文件中的SQL标签，并执行标签中的SQL语句\n",{"type":17,"tag":329,"props":1274,"children":1276},{"class":331,"line":1275},30,[1277],{"type":17,"tag":329,"props":1278,"children":1279},{},[1280],{"type":23,"value":1281},"        int result = userMapper.insertUser();\n",{"type":17,"tag":329,"props":1283,"children":1285},{"class":331,"line":1284},31,[1286],{"type":17,"tag":329,"props":1287,"children":1288},{"emptyLinePlaceholder":542},[1289],{"type":23,"value":545},{"type":17,"tag":329,"props":1291,"children":1293},{"class":331,"line":1292},32,[1294],{"type":17,"tag":329,"props":1295,"children":1296},{},[1297],{"type":23,"value":1298},"        \u002F*上面两行代码就相当于*\u002F\n",{"type":17,"tag":329,"props":1300,"children":1302},{"class":331,"line":1301},33,[1303],{"type":17,"tag":329,"props":1304,"children":1305},{},[1306],{"type":23,"value":1307},"        \u002F\u002F sqlSession.insert(\"com.wangkun.mybatis.mapper.UserMapper.insertUser\");\n",{"type":17,"tag":329,"props":1309,"children":1311},{"class":331,"line":1310},34,[1312],{"type":17,"tag":329,"props":1313,"children":1314},{},[1315],{"type":23,"value":1316},"        sqlSession.commit();\n",{"type":17,"tag":329,"props":1318,"children":1320},{"class":331,"line":1319},35,[1321],{"type":17,"tag":329,"props":1322,"children":1323},{},[1324],{"type":23,"value":1325},"        sqlSession.close();\n",{"type":17,"tag":329,"props":1327,"children":1329},{"class":331,"line":1328},36,[1330],{"type":17,"tag":329,"props":1331,"children":1332},{"emptyLinePlaceholder":542},[1333],{"type":23,"value":545},{"type":17,"tag":329,"props":1335,"children":1337},{"class":331,"line":1336},37,[1338],{"type":17,"tag":329,"props":1339,"children":1340},{},[1341],{"type":23,"value":1342},"        System.out.println(\"结果：\" + 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password = #{param2}\n\u003C\u002Fselect>\n\n\u003Cselect id=\"checkLogin\" resultType=\"user\">\n    select * from t_user where username = '${arg0}' and password = '${arg1}'\n\u003C\u002Fselect>\n",[2200],{"type":17,"tag":293,"props":2201,"children":2202},{"__ignoreMap":7},[2203,2211,2219,2227,2234,2241,2248,2256],{"type":17,"tag":329,"props":2204,"children":2205},{"class":331,"line":332},[2206],{"type":17,"tag":329,"props":2207,"children":2208},{},[2209],{"type":23,"value":2210},"\u003C!--public User checkLogin(String username, String password);-->\n",{"type":17,"tag":329,"props":2212,"children":2213},{"class":331,"line":341},[2214],{"type":17,"tag":329,"props":2215,"children":2216},{},[2217],{"type":23,"value":2218},"\u003Cselect id=\"checkLogin\" resultType=\"user\">\n",{"type":17,"tag":329,"props":2220,"children":2221},{"class":331,"line":350},[2222],{"type":17,"tag":329,"props":2223,"children":2224},{},[2225],{"type":23,"value":2226},"    select * from t_user where username = 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SqlSession sqlSession = SqlSessionUtil.getSqlSession();\n    UserMapper mapper = sqlSession.getMapper(UserMapper.class);\n    Map\u003CString, Object> map = new HashMap\u003C>();\n    map.put(\"username\", \"admin\");\n    map.put(\"password\", \"123456\");\n    User user = mapper.checkLoginByMap(map);\n    System.out.println(user);\n}\n",[2297],{"type":17,"tag":293,"props":2298,"children":2299},{"__ignoreMap":7},[2300,2308,2316,2324,2332,2340,2348,2356,2364,2372],{"type":17,"tag":329,"props":2301,"children":2302},{"class":331,"line":332},[2303],{"type":17,"tag":329,"props":2304,"children":2305},{},[2306],{"type":23,"value":2307},"@Test\n",{"type":17,"tag":329,"props":2309,"children":2310},{"class":331,"line":341},[2311],{"type":17,"tag":329,"props":2312,"children":2313},{},[2314],{"type":23,"value":2315},"public void checkLoginByMap() 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checkLoginByMap(Map\u003CString, Object> map);-->\n",{"type":17,"tag":329,"props":2403,"children":2404},{"class":331,"line":341},[2405],{"type":17,"tag":329,"props":2406,"children":2407},{},[2408],{"type":23,"value":2409},"\u003Cselect id=\"checkLoginByMap\" resultType=\"user\">\n",{"type":17,"tag":329,"props":2411,"children":2412},{"class":331,"line":350},[2413],{"type":17,"tag":329,"props":2414,"children":2415},{},[2416],{"type":23,"value":2417},"    select * from t_user where username = #{username} and password = #{password}\n",{"type":17,"tag":329,"props":2419,"children":2420},{"class":331,"line":359},[2421],{"type":17,"tag":329,"props":2422,"children":2423},{},[2424],{"type":23,"value":2123},{"type":17,"tag":74,"props":2426,"children":2428},{"id":2427},"_44-实体类型参数",[2429],{"type":23,"value":2430},"4.4 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#{email})\n\u003C\u002Finsert>\n",[2461],{"type":17,"tag":293,"props":2462,"children":2463},{"__ignoreMap":7},[2464,2472,2480,2488,2496],{"type":17,"tag":329,"props":2465,"children":2466},{"class":331,"line":332},[2467],{"type":17,"tag":329,"props":2468,"children":2469},{},[2470],{"type":23,"value":2471},"\u003C!--public int insetUser(User user);-->\n",{"type":17,"tag":329,"props":2473,"children":2474},{"class":331,"line":341},[2475],{"type":17,"tag":329,"props":2476,"children":2477},{},[2478],{"type":23,"value":2479},"\u003Cinsert id=\"insetUser\">\n",{"type":17,"tag":329,"props":2481,"children":2482},{"class":331,"line":350},[2483],{"type":17,"tag":329,"props":2484,"children":2485},{},[2486],{"type":23,"value":2487},"    insert into t_user\n",{"type":17,"tag":329,"props":2489,"children":2490},{"class":331,"line":359},[2491],{"type":17,"tag":329,"props":2492,"children":2493},{},[2494],{"type":23,"value":2495},"    values (null, #{username}, #{password}, #{age}, #{gender}, 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password);\n",[2522],{"type":17,"tag":293,"props":2523,"children":2524},{"__ignoreMap":7},[2525,2533,2541,2549,2557,2565,2573],{"type":17,"tag":329,"props":2526,"children":2527},{"class":331,"line":332},[2528],{"type":17,"tag":329,"props":2529,"children":2530},{},[2531],{"type":23,"value":2532},"\u002F**\n",{"type":17,"tag":329,"props":2534,"children":2535},{"class":331,"line":341},[2536],{"type":17,"tag":329,"props":2537,"children":2538},{},[2539],{"type":23,"value":2540}," * 根据用户名与密码注解获取用户\n",{"type":17,"tag":329,"props":2542,"children":2543},{"class":331,"line":350},[2544],{"type":17,"tag":329,"props":2545,"children":2546},{},[2547],{"type":23,"value":2548}," * @param username\n",{"type":17,"tag":329,"props":2550,"children":2551},{"class":331,"line":359},[2552],{"type":17,"tag":329,"props":2553,"children":2554},{},[2555],{"type":23,"value":2556}," * @param 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@Param(\"password\") String password);-->\n\u003Cselect id=\"checkLoginByParams\" resultType=\"user\">\n    select * from t_user where username = #{username} and password = #{password}\n\u003C\u002Fselect>\n",[2592],{"type":17,"tag":293,"props":2593,"children":2594},{"__ignoreMap":7},[2595,2603,2611,2618],{"type":17,"tag":329,"props":2596,"children":2597},{"class":331,"line":332},[2598],{"type":17,"tag":329,"props":2599,"children":2600},{},[2601],{"type":23,"value":2602},"\u003C!--public User checkLoginByParams(@Param(\"username\") String username, @Param(\"password\") String password);-->\n",{"type":17,"tag":329,"props":2604,"children":2605},{"class":331,"line":341},[2606],{"type":17,"tag":329,"props":2607,"children":2608},{},[2609],{"type":23,"value":2610},"\u003Cselect id=\"checkLoginByParams\" 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id);\n",{"type":17,"tag":57,"props":2733,"children":2734},{},[2735],{"type":17,"tag":86,"props":2736,"children":2737},{},[2738],{"type":23,"value":2386},{"type":17,"tag":319,"props":2740,"children":2742},{"className":1376,"code":2741,"language":1378,"meta":7,"style":7},"\u003C!--public User getUserById(@Param(\"id\") int id);-->\n\u003Cselect id=\"getUserById\" resultType=\"user\">\n    select * from t_user where id = #{id}\n\u003C\u002Fselect>\n",[2743],{"type":17,"tag":293,"props":2744,"children":2745},{"__ignoreMap":7},[2746,2754,2762,2770],{"type":17,"tag":329,"props":2747,"children":2748},{"class":331,"line":332},[2749],{"type":17,"tag":329,"props":2750,"children":2751},{},[2752],{"type":23,"value":2753},"\u003C!--public User getUserById(@Param(\"id\") int id);-->\n",{"type":17,"tag":329,"props":2755,"children":2756},{"class":331,"line":341},[2757],{"type":17,"tag":329,"props":2758,"children":2759},{},[2760],{"type":23,"value":2761},"\u003Cselect id=\"getUserById\" 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System.out.println(userById);\n}\n",[2788],{"type":17,"tag":293,"props":2789,"children":2790},{"__ignoreMap":7},[2791,2798,2805,2812,2819,2827,2834,2842,2850,2858],{"type":17,"tag":329,"props":2792,"children":2793},{"class":331,"line":332},[2794],{"type":17,"tag":329,"props":2795,"children":2796},{},[2797],{"type":23,"value":2532},{"type":17,"tag":329,"props":2799,"children":2800},{"class":331,"line":341},[2801],{"type":17,"tag":329,"props":2802,"children":2803},{},[2804],{"type":23,"value":2701},{"type":17,"tag":329,"props":2806,"children":2807},{"class":331,"line":350},[2808],{"type":17,"tag":329,"props":2809,"children":2810},{},[2811],{"type":23,"value":2572},{"type":17,"tag":329,"props":2813,"children":2814},{"class":331,"line":359},[2815],{"type":17,"tag":329,"props":2816,"children":2817},{},[2818],{"type":23,"value":2307},{"type":17,"tag":329,"props":2820,"children":2821},{"class":331,"line":368},[2822],{"type":17,"tag":329,"props":2823,"children":2824},{},[2825],{"type":23,"value":2826},"public 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getAllUser();\n",[2882],{"type":17,"tag":293,"props":2883,"children":2884},{"__ignoreMap":7},[2885,2892,2900,2907,2914],{"type":17,"tag":329,"props":2886,"children":2887},{"class":331,"line":332},[2888],{"type":17,"tag":329,"props":2889,"children":2890},{},[2891],{"type":23,"value":2532},{"type":17,"tag":329,"props":2893,"children":2894},{"class":331,"line":341},[2895],{"type":17,"tag":329,"props":2896,"children":2897},{},[2898],{"type":23,"value":2899}," * 查询所有用户信息\n",{"type":17,"tag":329,"props":2901,"children":2902},{"class":331,"line":350},[2903],{"type":17,"tag":329,"props":2904,"children":2905},{},[2906],{"type":23,"value":2564},{"type":17,"tag":329,"props":2908,"children":2909},{"class":331,"line":359},[2910],{"type":17,"tag":329,"props":2911,"children":2912},{},[2913],{"type":23,"value":2572},{"type":17,"tag":329,"props":2915,"children":2916},{"class":331,"line":368},[2917],{"type":17,"tag":329,"props":2918,"children":2919},{},[2920],{"type":23,"value":2921},"public 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void testGetAllUser() {\n",{"type":17,"tag":329,"props":3018,"children":3019},{"class":331,"line":377},[3020],{"type":17,"tag":329,"props":3021,"children":3022},{},[3023],{"type":23,"value":2323},{"type":17,"tag":329,"props":3025,"children":3026},{"class":331,"line":386},[3027],{"type":17,"tag":329,"props":3028,"children":3029},{},[3030],{"type":23,"value":2841},{"type":17,"tag":329,"props":3032,"children":3033},{"class":331,"line":394},[3034],{"type":17,"tag":329,"props":3035,"children":3036},{},[3037],{"type":23,"value":3038},"    List\u003CUser> allUser = mapper.getAllUser();\n",{"type":17,"tag":329,"props":3040,"children":3041},{"class":331,"line":403},[3042],{"type":17,"tag":329,"props":3043,"children":3044},{},[3045],{"type":23,"value":3046},"    for (User user : allUser) {\n",{"type":17,"tag":329,"props":3048,"children":3049},{"class":331,"line":412},[3050],{"type":17,"tag":329,"props":3051,"children":3052},{},[3053],{"type":23,"value":3054},"        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id);\n",[3086],{"type":17,"tag":293,"props":3087,"children":3088},{"__ignoreMap":7},[3089,3096,3104,3111,3118,3125],{"type":17,"tag":329,"props":3090,"children":3091},{"class":331,"line":332},[3092],{"type":17,"tag":329,"props":3093,"children":3094},{},[3095],{"type":23,"value":2532},{"type":17,"tag":329,"props":3097,"children":3098},{"class":331,"line":341},[3099],{"type":17,"tag":329,"props":3100,"children":3101},{},[3102],{"type":23,"value":3103}," * 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id);\n",{"type":17,"tag":57,"props":3134,"children":3135},{},[3136],{"type":17,"tag":86,"props":3137,"children":3138},{},[3139],{"type":23,"value":2386},{"type":17,"tag":319,"props":3141,"children":3143},{"className":1376,"code":3142,"language":1378,"meta":7,"style":7},"\u003C!--public Map\u003CString, Object> getUserByIdToMap(@Param(\"id\") int id);-->\n\u003Cselect id=\"getUserByIdToMap\" resultType=\"map\">\n    select * from t_user where id = #{id}\n\u003C\u002Fselect>\n",[3144],{"type":17,"tag":293,"props":3145,"children":3146},{"__ignoreMap":7},[3147,3155,3163,3170],{"type":17,"tag":329,"props":3148,"children":3149},{"class":331,"line":332},[3150],{"type":17,"tag":329,"props":3151,"children":3152},{},[3153],{"type":23,"value":3154},"\u003C!--public Map\u003CString, Object> getUserByIdToMap(@Param(\"id\") int id);-->\n",{"type":17,"tag":329,"props":3156,"children":3157},{"class":331,"line":341},[3158],{"type":17,"tag":329,"props":3159,"children":3160},{},[3161],{"type":23,"value":3162},"\u003Cselect id=\"getUserByIdToMap\" resultType=\"map\">\n",{"type":17,"tag":329,"props":3164,"children":3165},{"class":331,"line":350},[3166],{"type":17,"tag":329,"props":3167,"children":3168},{},[3169],{"type":23,"value":2769},{"type":17,"tag":329,"props":3171,"children":3172},{"class":331,"line":359},[3173],{"type":17,"tag":329,"props":3174,"children":3175},{},[3176],{"type":23,"value":2123},{"type":17,"tag":57,"props":3178,"children":3179},{},[3180],{"type":17,"tag":86,"props":3181,"children":3182},{},[3183],{"type":23,"value":2292},{"type":17,"tag":319,"props":3185,"children":3187},{"className":321,"code":3186,"language":323,"meta":7,"style":7},"\u002F**\n * 根据id查询用户信息,以Map类型接收结果\n *\u002F\n@Test\npublic void testGetUserByIdToMap() {\n    SqlSession sqlSession = SqlSessionUtil.getSqlSession();\n    SelectMapper mapper = sqlSession.getMapper(SelectMapper.class);\n    Map\u003CString, Object> userByIdToMap = mapper.getUserByIdToMap(1);\n    System.out.println(userByIdToMap);\n}\n",[3188],{"type":17,"tag":293,"props":3189,"children":3190},{"__ignoreMap":7},[3191,3198,3206,3213,3220,3228,3235,3242,3250,3258],{"type":17,"tag":329,"props":3192,"children":3193},{"class":331,"line":332},[3194],{"type":17,"tag":329,"props":3195,"children":3196},{},[3197],{"type":23,"value":2532},{"type":17,"tag":329,"props":3199,"children":3200},{"class":331,"line":341},[3201],{"type":17,"tag":329,"props":3202,"children":3203},{},[3204],{"type":23,"value":3205}," * 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* 查询所有用户信息,用Map类型List集合来接收结果\n *\u002F\n List\u003CMap\u003CString, Object>> getAllUserToMap();\n",[3302],{"type":17,"tag":293,"props":3303,"children":3304},{"__ignoreMap":7},[3305,3312,3320,3327],{"type":17,"tag":329,"props":3306,"children":3307},{"class":331,"line":332},[3308],{"type":17,"tag":329,"props":3309,"children":3310},{},[3311],{"type":23,"value":2532},{"type":17,"tag":329,"props":3313,"children":3314},{"class":331,"line":341},[3315],{"type":17,"tag":329,"props":3316,"children":3317},{},[3318],{"type":23,"value":3319}," * 查询所有用户信息,用Map类型List集合来接收结果\n",{"type":17,"tag":329,"props":3321,"children":3322},{"class":331,"line":350},[3323],{"type":17,"tag":329,"props":3324,"children":3325},{},[3326],{"type":23,"value":2572},{"type":17,"tag":329,"props":3328,"children":3329},{"class":331,"line":359},[3330],{"type":17,"tag":329,"props":3331,"children":3332},{},[3333],{"type":23,"value":3334}," List\u003CMap\u003CString, Object>> getAllUserToMap();\n",{"type":17,"tag":57,"props":3336,"children":3337},{},[3338],{"type":17,"tag":86,"props":3339,"children":3340},{},[3341],{"type":23,"value":2386},{"type":17,"tag":319,"props":3343,"children":3345},{"className":1376,"code":3344,"language":1378,"meta":7,"style":7},"\u003C!--List\u003CMap\u003CString, Object>> getAllUserToMap();-->\n\u003Cselect id=\"getAllUserToMap\" resultType=\"map\">\n    select * from t_user\n\u003C\u002Fselect>\n",[3346],{"type":17,"tag":293,"props":3347,"children":3348},{"__ignoreMap":7},[3349,3357,3365,3372],{"type":17,"tag":329,"props":3350,"children":3351},{"class":331,"line":332},[3352],{"type":17,"tag":329,"props":3353,"children":3354},{},[3355],{"type":23,"value":3356},"\u003C!--List\u003CMap\u003CString, Object>> getAllUserToMap();-->\n",{"type":17,"tag":329,"props":3358,"children":3359},{"class":331,"line":341},[3360],{"type":17,"tag":329,"props":3361,"children":3362},{},[3363],{"type":23,"value":3364},"\u003Cselect id=\"getAllUserToMap\" resultType=\"map\">\n",{"type":17,"tag":329,"props":3366,"children":3367},{"class":331,"line":350},[3368],{"type":17,"tag":329,"props":3369,"children":3370},{},[3371],{"type":23,"value":2959},{"type":17,"tag":329,"props":3373,"children":3374},{"class":331,"line":359},[3375],{"type":17,"tag":329,"props":3376,"children":3377},{},[3378],{"type":23,"value":2123},{"type":17,"tag":57,"props":3380,"children":3381},{},[3382],{"type":17,"tag":86,"props":3383,"children":3384},{},[3385],{"type":23,"value":2292},{"type":17,"tag":319,"props":3387,"children":3389},{"className":321,"code":3388,"language":323,"meta":7,"style":7},"\u002F**\n * 查询所有用户信息,用map类型的list集合接收\n *\u002F\n@Test\npublic void testGetAllUserToMap() {\n    SqlSession sqlSession = SqlSessionUtil.getSqlSession();\n    SelectMapper mapper = sqlSession.getMapper(SelectMapper.class);\n    List\u003CMap\u003CString, Object>> allUserToMap = mapper.getAllUserToMap();\n    for (Map\u003CString, Object> stringObjectMap : allUserToMap) {\n        System.out.println(stringObjectMap);\n    }\n}\n",[3390],{"type":17,"tag":293,"props":3391,"children":3392},{"__ignoreMap":7},[3393,3400,3408,3415,3422,3430,3437,3444,3452,3460,3468,3475],{"type":17,"tag":329,"props":3394,"children":3395},{"class":331,"line":332},[3396],{"type":17,"tag":329,"props":3397,"children":3398},{},[3399],{"type":23,"value":2532},{"type":17,"tag":329,"props":3401,"children":3402},{"class":331,"line":341},[3403],{"type":17,"tag":329,"props":3404,"children":3405},{},[3406],{"type":23,"value":3407}," * 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Object> getAllUserToMap();\n",[3507],{"type":17,"tag":293,"props":3508,"children":3509},{"__ignoreMap":7},[3510,3518],{"type":17,"tag":329,"props":3511,"children":3512},{"class":331,"line":332},[3513],{"type":17,"tag":329,"props":3514,"children":3515},{},[3516],{"type":23,"value":3517},"@MapKey(\"id\")\n",{"type":17,"tag":329,"props":3519,"children":3520},{"class":331,"line":341},[3521],{"type":17,"tag":329,"props":3522,"children":3523},{},[3524],{"type":23,"value":3525},"Map\u003CString, Object> getAllUserToMap();\n",{"type":17,"tag":57,"props":3527,"children":3528},{},[3529],{"type":17,"tag":86,"props":3530,"children":3531},{},[3532],{"type":23,"value":2386},{"type":17,"tag":319,"props":3534,"children":3536},{"className":1376,"code":3535,"language":1378,"meta":7,"style":7},"\u003Cselect id=\"getAllUserToMap\" resultType=\"map\">\n    select * from t_user\n\u003C\u002Fselect>\n",[3537],{"type":17,"tag":293,"props":3538,"children":3539},{"__ignoreMap":7},[3540,3547,3554],{"type":17,"tag":329,"props":3541,"children":3542},{"class":331,"line":332},[3543],{"type":17,"tag":329,"props":3544,"children":3545},{},[3546],{"type":23,"value":3364},{"type":17,"tag":329,"props":3548,"children":3549},{"class":331,"line":341},[3550],{"type":17,"tag":329,"props":3551,"children":3552},{},[3553],{"type":23,"value":2959},{"type":17,"tag":329,"props":3555,"children":3556},{"class":331,"line":350},[3557],{"type":17,"tag":329,"props":3558,"children":3559},{},[3560],{"type":23,"value":2123},{"type":17,"tag":57,"props":3562,"children":3563},{},[3564],{"type":17,"tag":86,"props":3565,"children":3566},{},[3567],{"type":23,"value":2292},{"type":17,"tag":319,"props":3569,"children":3571},{"className":321,"code":3570,"language":323,"meta":7,"style":7},"@Test\npublic void testGetAllUserToMap() {\n\n    SqlSession sqlSession = SqlSessionUtil.getSqlSession();\n    SelectMapper mapper = sqlSession.getMapper(SelectMapper.class);\n    Map\u003CString, Object> allUserToMap = mapper.getAllUserToMap();\n    System.out.println(allUserToMap);\n  \n}\n",[3572],{"type":17,"tag":293,"props":3573,"children":3574},{"__ignoreMap":7},[3575,3582,3589,3596,3603,3610,3618,3626,3633],{"type":17,"tag":329,"props":3576,"children":3577},{"class":331,"line":332},[3578],{"type":17,"tag":329,"props":3579,"children":3580},{},[3581],{"type":23,"value":2307},{"type":17,"tag":329,"props":3583,"children":3584},{"class":331,"line":341},[3585],{"type":17,"tag":329,"props":3586,"children":3587},{},[3588],{"type":23,"value":3429},{"type":17,"tag":329,"props":3590,"children":3591},{"class":331,"line":350},[3592],{"type":17,"tag":329,"props":3593,"children":3594},{"emptyLinePlaceholder":542},[3595],{"type":23,"value":545},{"type":17,"tag":329,"props":3597,"children":3598},{"class":331,"line":359},[3599],{"type":17,"tag":329,"props":3600,"children":3601},{},[3602],{"type":23,"value":2323},{"type":17,"tag":329,"props":3604,"children":3605},{"class":331,"line":368},[3606],{"type":17,"tag":329,"props":3607,"children":3608},{},[3609],{"type":23,"value":2841},{"type":17,"tag":329,"props":3611,"children":3612},{"class":331,"line":377},[3613],{"type":17,"tag":329,"props":3614,"children":3615},{},[3616],{"type":23,"value":3617}," 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mohu);\n",[3671],{"type":17,"tag":293,"props":3672,"children":3673},{"__ignoreMap":7},[3674,3681,3689,3697,3704,3711],{"type":17,"tag":329,"props":3675,"children":3676},{"class":331,"line":332},[3677],{"type":17,"tag":329,"props":3678,"children":3679},{},[3680],{"type":23,"value":2532},{"type":17,"tag":329,"props":3682,"children":3683},{"class":331,"line":341},[3684],{"type":17,"tag":329,"props":3685,"children":3686},{},[3687],{"type":23,"value":3688}," * 模糊查询username\n",{"type":17,"tag":329,"props":3690,"children":3691},{"class":331,"line":350},[3692],{"type":17,"tag":329,"props":3693,"children":3694},{},[3695],{"type":23,"value":3696}," * @param 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\u003C!--方式一：-->\n    \u003C!--select * from t_user where username like '%${mohu}%'-->\n    \u003C!--方式二：-->\n    select * from t_user where username like \"%\"#{mohu}\"%\"\n\u003C\u002Fselect>\n",[3730],{"type":17,"tag":293,"props":3731,"children":3732},{"__ignoreMap":7},[3733,3741,3749,3757,3765,3773,3781],{"type":17,"tag":329,"props":3734,"children":3735},{"class":331,"line":332},[3736],{"type":17,"tag":329,"props":3737,"children":3738},{},[3739],{"type":23,"value":3740},"\u003C!--public List\u003CUser> getUserByLike(@Param(\"mohu\") String mohu);-->\n",{"type":17,"tag":329,"props":3742,"children":3743},{"class":331,"line":341},[3744],{"type":17,"tag":329,"props":3745,"children":3746},{},[3747],{"type":23,"value":3748},"\u003Cselect id=\"getUserByLike\" resultType=\"user\">\n",{"type":17,"tag":329,"props":3750,"children":3751},{"class":331,"line":350},[3752],{"type":17,"tag":329,"props":3753,"children":3754},{},[3755],{"type":23,"value":3756},"    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\"%\"#{mohu}\"%\"\n",{"type":17,"tag":329,"props":3782,"children":3783},{"class":331,"line":386},[3784],{"type":17,"tag":329,"props":3785,"children":3786},{},[3787],{"type":23,"value":2123},{"type":17,"tag":57,"props":3789,"children":3790},{},[3791],{"type":17,"tag":86,"props":3792,"children":3793},{},[3794],{"type":23,"value":2292},{"type":17,"tag":319,"props":3796,"children":3798},{"className":321,"code":3797,"language":323,"meta":7,"style":7},"@Test\npublic void getUserByLike() {\n  \n    SqlSession sqlSession = SqlSessionUtil.getSqlSession();\n    SpecialSQLMapper mapper = sqlSession.getMapper(SpecialSQLMapper.class);\n    List\u003CUser> list = mapper.getUserByLike(\"a\");\n    for (User user : list) {\n        System.out.println(user);\n    }\n}\n",[3799],{"type":17,"tag":293,"props":3800,"children":3801},{"__ignoreMap":7},[3802,3809,3817,3824,3831,3839,3847,3855,3862,3869],{"type":17,"tag":329,"props":3803,"children":3804},{"class":331,"line":332},[3805],{"type":17,"tag":329,"props":3806,"children":3807},{},[3808],{"type":23,"value":2307},{"type":17,"tag":329,"props":3810,"children":3811},{"class":331,"line":341},[3812],{"type":17,"tag":329,"props":3813,"children":3814},{},[3815],{"type":23,"value":3816},"public void getUserByLike() 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String ids);\n",[3893],{"type":17,"tag":293,"props":3894,"children":3895},{"__ignoreMap":7},[3896,3903,3911,3919,3926],{"type":17,"tag":329,"props":3897,"children":3898},{"class":331,"line":332},[3899],{"type":17,"tag":329,"props":3900,"children":3901},{},[3902],{"type":23,"value":2532},{"type":17,"tag":329,"props":3904,"children":3905},{"class":331,"line":341},[3906],{"type":17,"tag":329,"props":3907,"children":3908},{},[3909],{"type":23,"value":3910}," * 批量删除用户信息\n",{"type":17,"tag":329,"props":3912,"children":3913},{"class":331,"line":350},[3914],{"type":17,"tag":329,"props":3915,"children":3916},{},[3917],{"type":23,"value":3918}," * @param ids\n",{"type":17,"tag":329,"props":3920,"children":3921},{"class":331,"line":359},[3922],{"type":17,"tag":329,"props":3923,"children":3924},{},[3925],{"type":23,"value":2572},{"type":17,"tag":329,"props":3927,"children":3928},{"class":331,"line":368},[3929],{"type":17,"tag":329,"props":3930,"children":3931},{},[3932],{"type":23,"value":3933},"public void delUserByIds(@Param(\"ids\") String ids);\n",{"type":17,"tag":57,"props":3935,"children":3936},{},[3937],{"type":17,"tag":86,"props":3938,"children":3939},{},[3940],{"type":23,"value":2386},{"type":17,"tag":319,"props":3942,"children":3944},{"className":1376,"code":3943,"language":1378,"meta":7,"style":7},"\u003C!--public void delUserByIds(@Param(\"ids\") String ids);-->\n\u003Cdelete id=\"delUserByIds\">\n    delete from t_user where id in(${ids})\n\u003C\u002Fdelete>\n",[3945],{"type":17,"tag":293,"props":3946,"children":3947},{"__ignoreMap":7},[3948,3956,3964,3972],{"type":17,"tag":329,"props":3949,"children":3950},{"class":331,"line":332},[3951],{"type":17,"tag":329,"props":3952,"children":3953},{},[3954],{"type":23,"value":3955},"\u003C!--public void delUserByIds(@Param(\"ids\") String ids);-->\n",{"type":17,"tag":329,"props":3957,"children":3958},{"class":331,"line":341},[3959],{"type":17,"tag":329,"props":3960,"children":3961},{},[3962],{"type":23,"value":3963},"\u003Cdelete id=\"delUserByIds\">\n",{"type":17,"tag":329,"props":3965,"children":3966},{"class":331,"line":350},[3967],{"type":17,"tag":329,"props":3968,"children":3969},{},[3970],{"type":23,"value":3971},"    delete from t_user where id in(${ids})\n",{"type":17,"tag":329,"props":3973,"children":3974},{"class":331,"line":359},[3975],{"type":17,"tag":329,"props":3976,"children":3977},{},[3978],{"type":23,"value":3979},"\u003C\u002Fdelete>\n",{"type":17,"tag":57,"props":3981,"children":3982},{},[3983],{"type":17,"tag":86,"props":3984,"children":3985},{},[3986],{"type":23,"value":2292},{"type":17,"tag":319,"props":3988,"children":3990},{"className":321,"code":3989,"language":323,"meta":7,"style":7},"\u002F**\n * 批量删除\n *\u002F\n@Test\npublic void delUserByIds() {\n    SqlSession sqlSession = SqlSessionUtil.getSqlSession();\n    SpecialSQLMapper mapper = sqlSession.getMapper(SpecialSQLMapper.class);\n    mapper.delUserByIds(\"4,5\");\n}\n",[3991],{"type":17,"tag":293,"props":3992,"children":3993},{"__ignoreMap":7},[3994,4001,4009,4016,4023,4031,4038,4045,4053],{"type":17,"tag":329,"props":3995,"children":3996},{"class":331,"line":332},[3997],{"type":17,"tag":329,"props":3998,"children":3999},{},[4000],{"type":23,"value":2532},{"type":17,"tag":329,"props":4002,"children":4003},{"class":331,"line":341},[4004],{"type":17,"tag":329,"props":4005,"children":4006},{},[4007],{"type":23,"value":4008}," * 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tableName);-->\n\u003Cselect id=\"getAllUserByTableName\" resultType=\"user\">\n    select * from ${tableName}\n\u003C\u002Fselect>\n",[4129],{"type":17,"tag":293,"props":4130,"children":4131},{"__ignoreMap":7},[4132,4140,4148,4156],{"type":17,"tag":329,"props":4133,"children":4134},{"class":331,"line":332},[4135],{"type":17,"tag":329,"props":4136,"children":4137},{},[4138],{"type":23,"value":4139},"\u003C!--public List\u003CUser> getAllUserByTableName(@Param(\"tableName\") String tableName);-->\n",{"type":17,"tag":329,"props":4141,"children":4142},{"class":331,"line":341},[4143],{"type":17,"tag":329,"props":4144,"children":4145},{},[4146],{"type":23,"value":4147},"\u003Cselect id=\"getAllUserByTableName\" resultType=\"user\">\n",{"type":17,"tag":329,"props":4149,"children":4150},{"class":331,"line":350},[4151],{"type":17,"tag":329,"props":4152,"children":4153},{},[4154],{"type":23,"value":4155},"    select * from ${tableName}\n",{"type":17,"tag":329,"props":4157,"children":4158},{"class":331,"line":359},[4159],{"type":17,"tag":329,"props":4160,"children":4161},{},[4162],{"type":23,"value":2123},{"type":17,"tag":57,"props":4164,"children":4165},{},[4166],{"type":17,"tag":86,"props":4167,"children":4168},{},[4169],{"type":23,"value":2292},{"type":17,"tag":319,"props":4171,"children":4173},{"className":321,"code":4172,"language":323,"meta":7,"style":7},"\u002F**\n * 根据表名查询所有用户信息\n *\u002F\n@Test\npublic void getAllUserByTableName() {\n    SqlSession sqlSession = SqlSessionUtil.getSqlSession();\n    SpecialSQLMapper mapper = sqlSession.getMapper(SpecialSQLMapper.class);\n\n    List\u003CUser> t_user = mapper.getAllUserByTableName(\"t_user\");\n    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column=\"emp_name\" property=\"empName\"\u002F>\n    \u003Cresult column=\"age\" property=\"age\"\u002F>\n    \u003Cresult column=\"gender\" property=\"gender\"\u002F>\n    \u003C!--这里解决了实体类的一个属性对sql中多个字段的问题-->\n    \u003Cresult column=\"dept_id\" property=\"dept.deptId\"\u002F>\n    \u003Cresult column=\"dept_name\" property=\"dept.deptName\"\u002F>\n\u003C\u002FresultMap>\n\n\u003C!--Emp getEmpAndDeptByEmpId(@Param(\"empId\") int empId);-->\n\u003Cselect id=\"getEmpAndDeptByEmpId\" resultMap=\"empAndDeptResultMap\">\n    select t_emp.*, t_dept.*\n    from t_emp\n             left join t_dept on t_emp.dept_id = t_dept.dept_id\n    where t_emp.emp_id = 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property=\"empName\"\u002F>\n    \u003Cresult column=\"age\" property=\"age\"\u002F>\n    \u003Cresult column=\"gender\" property=\"gender\"\u002F>\n    \u003Cassociation property=\"dept\" javaType=\"Dept\">\n        \u003Cid column=\"dept_id\" property=\"deptId\"\u002F>\n        \u003Cresult column=\"dept_name\" property=\"deptName\"\u002F>\n    \u003C\u002Fassociation>\n\u003C\u002FresultMap>\n\n\u003C!--Emp getEmpAndDeptByEmpId(@Param(\"empId\") int empId);-->\n\u003Cselect id=\"getEmpAndDeptByEmpId\" resultMap=\"empAndDeptResultMap\">\n    select t_emp.*, t_dept.*\n    from t_emp\n             left join t_dept on t_emp.dept_id = t_dept.dept_id\n    where t_emp.emp_id = 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column=\"emp_name\" property=\"empName\"\u002F>\n    \u003Cresult column=\"age\" property=\"age\"\u002F>\n    \u003Cresult column=\"gender\" property=\"gender\"\u002F>\n    \u003C!-- 将查询出的dept_id的值作为参数传给并调用getEmpAndDeptByStepTwo，再讲第二步的查询结果映射到实体类的dept属性 -->\n    \u003Cassociation\n            property=\"dept\"\n            column=\"dept_id\"\n            select=\"com.wangkun.mybatis.mapper.DeptMapper.getEmpAndDeptByStepTwo\"\n    >\n    \u003C\u002Fassociation>\n\u003C\u002FresultMap>\n\u003C!--Emp getEmpAndDeptByStepOne(@Param(\"empId\") int empId);-->\n\u003Cselect id=\"getEmpAndDeptByStepOne\" resultMap=\"empAndDeptByStepResultMap\">\n    select * from t_emp  where emp_id = #{empId}\n\u003C\u002Fselect>\n",[5499],{"type":17,"tag":293,"props":5500,"children":5501},{"__ignoreMap":7},[5502,5510,5517,5524,5531,5538,5546,5554,5562,5570,5578,5586,5593,5600,5608,5616,5624],{"type":17,"tag":329,"props":5503,"children":5504},{"class":331,"line":332},[5505],{"type":17,"tag":329,"props":5506,"children":5507},{},[5508],{"type":23,"value":5509},"\u003CresultMap id=\"empAndDeptByStepResultMap\" 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-->\n",{"type":17,"tag":329,"props":5547,"children":5548},{"class":331,"line":386},[5549],{"type":17,"tag":329,"props":5550,"children":5551},{},[5552],{"type":23,"value":5553},"    \u003Cassociation\n",{"type":17,"tag":329,"props":5555,"children":5556},{"class":331,"line":394},[5557],{"type":17,"tag":329,"props":5558,"children":5559},{},[5560],{"type":23,"value":5561},"            property=\"dept\"\n",{"type":17,"tag":329,"props":5563,"children":5564},{"class":331,"line":403},[5565],{"type":17,"tag":329,"props":5566,"children":5567},{},[5568],{"type":23,"value":5569},"            column=\"dept_id\"\n",{"type":17,"tag":329,"props":5571,"children":5572},{"class":331,"line":412},[5573],{"type":17,"tag":329,"props":5574,"children":5575},{},[5576],{"type":23,"value":5577},"            select=\"com.wangkun.mybatis.mapper.DeptMapper.getEmpAndDeptByStepTwo\"\n",{"type":17,"tag":329,"props":5579,"children":5580},{"class":331,"line":421},[5581],{"type":17,"tag":329,"props":5582,"children":5583},{},[5584],{"type":23,"value":5585},"    >\n",{"type":17,"tag":329,"props":5587,"children":5588},{"class":331,"line":430},[5589],{"type":17,"tag":329,"props":5590,"children":5591},{},[5592],{"type":23,"value":5344},{"type":17,"tag":329,"props":5594,"children":5595},{"class":331,"line":439},[5596],{"type":17,"tag":329,"props":5597,"children":5598},{},[5599],{"type":23,"value":4956},{"type":17,"tag":329,"props":5601,"children":5602},{"class":331,"line":447},[5603],{"type":17,"tag":329,"props":5604,"children":5605},{},[5606],{"type":23,"value":5607},"\u003C!--Emp getEmpAndDeptByStepOne(@Param(\"empId\") int empId);-->\n",{"type":17,"tag":329,"props":5609,"children":5610},{"class":331,"line":456},[5611],{"type":17,"tag":329,"props":5612,"children":5613},{},[5614],{"type":23,"value":5615},"\u003Cselect id=\"getEmpAndDeptByStepOne\" resultMap=\"empAndDeptByStepResultMap\">\n",{"type":17,"tag":329,"props":5617,"children":5618},{"class":331,"line":465},[5619],{"type":17,"tag":329,"props":5620,"children":5621},{},[5622],{"type":23,"value":5623},"    select * from t_emp  where emp_id = #{empId}\n",{"type":17,"tag":329,"props":5625,"children":5626},{"class":331,"line":474},[5627],{"type":17,"tag":329,"props":5628,"children":5629},{},[5630],{"type":23,"value":2123},{"type":17,"tag":4624,"props":5632,"children":5634},{"id":5633},"第二步",[5635],{"type":23,"value":5633},{"type":17,"tag":53,"props":5637,"children":5638},{},[5639],{"type":17,"tag":57,"props":5640,"children":5641},{},[5642],{"type":23,"value":5643},"根据dept_id查询出部门信息",{"type":17,"tag":57,"props":5645,"children":5646},{},[5647],{"type":17,"tag":86,"props":5648,"children":5649},{},[5650],{"type":23,"value":5651},"mapper（DeptMapper）：",{"type":17,"tag":319,"props":5653,"children":5655},{"className":321,"code":5654,"language":323,"meta":7,"style":7},"\u002F**\n * 分布查询二\n *\u002F\nDept getEmpAndDeptByStepTwo(@Param(\"deptId\") int deptId);\n",[5656],{"type":17,"tag":293,"props":5657,"children":5658},{"__ignoreMap":7},[5659,5666,5674,5681],{"type":17,"tag":329,"props":5660,"children":5661},{"class":331,"line":332},[5662],{"type":17,"tag":329,"props":5663,"children":5664},{},[5665],{"type":23,"value":2532},{"type":17,"tag":329,"props":5667,"children":5668},{"class":331,"line":341},[5669],{"type":17,"tag":329,"props":5670,"children":5671},{},[5672],{"type":23,"value":5673}," * 分布查询二\n",{"type":17,"tag":329,"props":5675,"children":5676},{"class":331,"line":350},[5677],{"type":17,"tag":329,"props":5678,"children":5679},{},[5680],{"type":23,"value":2572},{"type":17,"tag":329,"props":5682,"children":5683},{"class":331,"line":359},[5684],{"type":17,"tag":329,"props":5685,"children":5686},{},[5687],{"type":23,"value":5688},"Dept getEmpAndDeptByStepTwo(@Param(\"deptId\") int deptId);\n",{"type":17,"tag":57,"props":5690,"children":5691},{},[5692],{"type":17,"tag":86,"props":5693,"children":5694},{},[5695],{"type":23,"value":5696},"映射文件（DeptMapper.xml）：",{"type":17,"tag":319,"props":5698,"children":5700},{"className":1376,"code":5699,"language":1378,"meta":7,"style":7},"\u003C!--Dept getEmpAndDeptByStepTwo(@Param(\"deptId\") int deptId);-->\n\u003Cselect id=\"getEmpAndDeptByStepTwo\" resultType=\"dept\">\n    select * from t_dept where dept_id = #{deptId}\n\u003C\u002Fselect>\n",[5701],{"type":17,"tag":293,"props":5702,"children":5703},{"__ignoreMap":7},[5704,5712,5720,5728],{"type":17,"tag":329,"props":5705,"children":5706},{"class":331,"line":332},[5707],{"type":17,"tag":329,"props":5708,"children":5709},{},[5710],{"type":23,"value":5711},"\u003C!--Dept getEmpAndDeptByStepTwo(@Param(\"deptId\") int deptId);-->\n",{"type":17,"tag":329,"props":5713,"children":5714},{"class":331,"line":341},[5715],{"type":17,"tag":329,"props":5716,"children":5717},{},[5718],{"type":23,"value":5719},"\u003Cselect id=\"getEmpAndDeptByStepTwo\" resultType=\"dept\">\n",{"type":17,"tag":329,"props":5721,"children":5722},{"class":331,"line":350},[5723],{"type":17,"tag":329,"props":5724,"children":5725},{},[5726],{"type":23,"value":5727},"    select * from t_dept where dept_id = #{deptId}\n",{"type":17,"tag":329,"props":5729,"children":5730},{"class":331,"line":359},[5731],{"type":17,"tag":329,"props":5732,"children":5733},{},[5734],{"type":23,"value":2123},{"type":17,"tag":57,"props":5736,"children":5737},{},[5738],{"type":17,"tag":86,"props":5739,"children":5740},{},[5741],{"type":23,"value":2292},{"type":17,"tag":319,"props":5743,"children":5745},{"className":321,"code":5744,"language":323,"meta":7,"style":7},"\u002F**\n * 根据id查询员工与部门信息，分步查询\n *\u002F\n@Test\npublic void testGetEmpAndDeptByStep() {\n    SqlSession sqlSession = SqlSessionUtil.getSqlSession();\n    EmpMapper mapper = sqlSession.getMapper(EmpMapper.class);\n    Emp empAndDeptByStepOne = mapper.getEmpAndDeptByStepOne(2);\n    System.out.println(empAndDeptByStepOne);\n}\n",[5746],{"type":17,"tag":293,"props":5747,"children":5748},{"__ignoreMap":7},[5749,5756,5764,5771,5778,5786,5793,5800,5808,5816],{"type":17,"tag":329,"props":5750,"children":5751},{"class":331,"line":332},[5752],{"type":17,"tag":329,"props":5753,"children":5754},{},[5755],{"type":23,"value":2532},{"type":17,"tag":329,"props":5757,"children":5758},{"class":331,"line":341},[5759],{"type":17,"tag":329,"props":5760,"children":5761},{},[5762],{"type":23,"value":5763}," * 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value=\"false\"\u002F>\n\u003C\u002Fsettings>\n",[5854],{"type":17,"tag":293,"props":5855,"children":5856},{"__ignoreMap":7},[5857,5864,5871,5878,5886,5893,5901,5909,5917,5925],{"type":17,"tag":329,"props":5858,"children":5859},{"class":331,"line":332},[5860],{"type":17,"tag":329,"props":5861,"children":5862},{},[5863],{"type":23,"value":4655},{"type":17,"tag":329,"props":5865,"children":5866},{"class":331,"line":341},[5867],{"type":17,"tag":329,"props":5868,"children":5869},{"emptyLinePlaceholder":542},[5870],{"type":23,"value":545},{"type":17,"tag":329,"props":5872,"children":5873},{"class":331,"line":350},[5874],{"type":17,"tag":329,"props":5875,"children":5876},{},[5877],{"type":23,"value":4541},{"type":17,"tag":329,"props":5879,"children":5880},{"class":331,"line":359},[5881],{"type":17,"tag":329,"props":5882,"children":5883},{},[5884],{"type":23,"value":5885},"    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deptId);\n",[6106],{"type":17,"tag":293,"props":6107,"children":6108},{"__ignoreMap":7},[6109,6116,6124,6131],{"type":17,"tag":329,"props":6110,"children":6111},{"class":331,"line":332},[6112],{"type":17,"tag":329,"props":6113,"children":6114},{},[6115],{"type":23,"value":2532},{"type":17,"tag":329,"props":6117,"children":6118},{"class":331,"line":341},[6119],{"type":17,"tag":329,"props":6120,"children":6121},{},[6122],{"type":23,"value":6123}," * 根据部门id查询部门与员工信息，一个部门可以有多个员工\n",{"type":17,"tag":329,"props":6125,"children":6126},{"class":331,"line":350},[6127],{"type":17,"tag":329,"props":6128,"children":6129},{},[6130],{"type":23,"value":2572},{"type":17,"tag":329,"props":6132,"children":6133},{"class":331,"line":359},[6134],{"type":17,"tag":329,"props":6135,"children":6136},{},[6137],{"type":23,"value":6138},"Dept getDeptAndEmpByDeptId(@Param(\"deptId\") int 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   select *\n    from t_dept\n             left join t_emp on t_emp.dept_id = t_dept.dept_id\n    where t_dept.dept_id = #{deptId}\n\u003C\u002Fselect>\n",[6150],{"type":17,"tag":293,"props":6151,"children":6152},{"__ignoreMap":7},[6153,6161,6169,6177,6185,6193,6201,6209,6217,6225,6232,6240,6248,6256,6264,6272,6280],{"type":17,"tag":329,"props":6154,"children":6155},{"class":331,"line":332},[6156],{"type":17,"tag":329,"props":6157,"children":6158},{},[6159],{"type":23,"value":6160},"\u003CresultMap id=\"deptAndEmpByDeptIdResultMap\" type=\"dept\">\n",{"type":17,"tag":329,"props":6162,"children":6163},{"class":331,"line":341},[6164],{"type":17,"tag":329,"props":6165,"children":6166},{},[6167],{"type":23,"value":6168},"    \u003Cid column=\"dept_id\" property=\"deptId\"\u002F>\n",{"type":17,"tag":329,"props":6170,"children":6171},{"class":331,"line":350},[6172],{"type":17,"tag":329,"props":6173,"children":6174},{},[6175],{"type":23,"value":6176},"    \u003Cresult column=\"dept_name\" 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deptId);-->\n",{"type":17,"tag":329,"props":6241,"children":6242},{"class":331,"line":430},[6243],{"type":17,"tag":329,"props":6244,"children":6245},{},[6246],{"type":23,"value":6247},"\u003Cselect id=\"getDeptAndEmpByDeptId\" resultMap=\"deptAndEmpByDeptIdResultMap\">\n",{"type":17,"tag":329,"props":6249,"children":6250},{"class":331,"line":439},[6251],{"type":17,"tag":329,"props":6252,"children":6253},{},[6254],{"type":23,"value":6255},"    select *\n",{"type":17,"tag":329,"props":6257,"children":6258},{"class":331,"line":447},[6259],{"type":17,"tag":329,"props":6260,"children":6261},{},[6262],{"type":23,"value":6263},"    from t_dept\n",{"type":17,"tag":329,"props":6265,"children":6266},{"class":331,"line":456},[6267],{"type":17,"tag":329,"props":6268,"children":6269},{},[6270],{"type":23,"value":6271},"             left join t_emp on t_emp.dept_id = t_dept.dept_id\n",{"type":17,"tag":329,"props":6273,"children":6274},{"class":331,"line":465},[6275],{"type":17,"tag":329,"props":6276,"children":6277},{},[6278],{"type":23,"value":6279},"    where t_dept.dept_id = #{deptId}\n",{"type":17,"tag":329,"props":6281,"children":6282},{"class":331,"line":474},[6283],{"type":17,"tag":329,"props":6284,"children":6285},{},[6286],{"type":23,"value":2123},{"type":17,"tag":57,"props":6288,"children":6289},{},[6290],{"type":17,"tag":86,"props":6291,"children":6292},{},[6293],{"type":23,"value":2292},{"type":17,"tag":319,"props":6295,"children":6297},{"className":321,"code":6296,"language":323,"meta":7,"style":7},"\u002F**\n * 根据部门id查询部门信息以及部门中的公园\n *\u002F\n@Test\npublic void testGetDeptAndEmpByDeptId() {\n  \n    SqlSession sqlSession = SqlSessionUtil.getSqlSession();\n    DeptMapper mapper = sqlSession.getMapper(DeptMapper.class);\n    Dept deptAndEmpByDeptId = mapper.getDeptAndEmpByDeptId(1);\n    System.out.println(deptAndEmpByDeptId);\n\n}\n",[6298],{"type":17,"tag":293,"props":6299,"children":6300},{"__ignoreMap":7},[6301,6308,6316,6323,6330,6338,6345,6352,6360,6368,6376,6383],{"type":17,"tag":329,"props":6302,"children":6303},{"class":331,"line":332},[6304],{"type":17,"tag":329,"props":6305,"children":6306},{},[6307],{"type":23,"value":2532},{"type":17,"tag":329,"props":6309,"children":6310},{"class":331,"line":341},[6311],{"type":17,"tag":329,"props":6312,"children":6313},{},[6314],{"type":23,"value":6315}," * 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System.out.println(deptAndEmpByDeptId);\n",{"type":17,"tag":329,"props":6377,"children":6378},{"class":331,"line":421},[6379],{"type":17,"tag":329,"props":6380,"children":6381},{"emptyLinePlaceholder":542},[6382],{"type":23,"value":545},{"type":17,"tag":329,"props":6384,"children":6385},{"class":331,"line":430},[6386],{"type":17,"tag":329,"props":6387,"children":6388},{},[6389],{"type":23,"value":753},{"type":17,"tag":3272,"props":6391,"children":6393},{"id":6392},"_732-分步查询",[6394],{"type":23,"value":6395},"7.3.2 分步查询",{"type":17,"tag":4624,"props":6397,"children":6399},{"id":6398},"第一步-1",[6400],{"type":23,"value":6401},"第一步：",{"type":17,"tag":57,"props":6403,"children":6404},{},[6405],{"type":17,"tag":86,"props":6406,"children":6407},{},[6408],{"type":23,"value":5651},{"type":17,"tag":319,"props":6410,"children":6412},{"className":321,"code":6411,"language":323,"meta":7,"style":7},"\u002F**\n * 根据部门id查询部门信息与部门中员工信息，分步查询\n *\u002F\nDept getDeptAndEmpByStepOne(@Param(\"deptId\") int deptId);\n",[6413],{"type":17,"tag":293,"props":6414,"children":6415},{"__ignoreMap":7},[6416,6423,6431,6438],{"type":17,"tag":329,"props":6417,"children":6418},{"class":331,"line":332},[6419],{"type":17,"tag":329,"props":6420,"children":6421},{},[6422],{"type":23,"value":2532},{"type":17,"tag":329,"props":6424,"children":6425},{"class":331,"line":341},[6426],{"type":17,"tag":329,"props":6427,"children":6428},{},[6429],{"type":23,"value":6430}," * 根据部门id查询部门信息与部门中员工信息，分步查询\n",{"type":17,"tag":329,"props":6432,"children":6433},{"class":331,"line":350},[6434],{"type":17,"tag":329,"props":6435,"children":6436},{},[6437],{"type":23,"value":2572},{"type":17,"tag":329,"props":6439,"children":6440},{"class":331,"line":359},[6441],{"type":17,"tag":329,"props":6442,"children":6443},{},[6444],{"type":23,"value":6445},"Dept getDeptAndEmpByStepOne(@Param(\"deptId\") int deptId);\n",{"type":17,"tag":57,"props":6447,"children":6448},{},[6449],{"type":17,"tag":86,"props":6450,"children":6451},{},[6452],{"type":23,"value":5696},{"type":17,"tag":319,"props":6454,"children":6456},{"className":1376,"code":6455,"language":1378,"meta":7,"style":7},"\u003CresultMap id=\"DeptAndEmpByStepOneResultMap\" type=\"dept\">\n    \u003Cid column=\"dept_id\" property=\"deptId\"\u002F>\n    \u003Cresult column=\"dept_name\" property=\"deptName\"\u002F>\n    \u003Ccollection\n            property=\"empList\"\n            column=\"dept_id\"\n            select=\"com.wangkun.mybatis.mapper.EmpMapper.getDeptAndEmpByStepTwo\"\n    \u002F>\n\u003C\u002FresultMap>\n\u003C!--Dept getDeptAndEmpByStepOne(@Param(\"deptId\") int deptId);-->\n\u003Cselect id=\"getDeptAndEmpByStepOne\" resultMap=\"DeptAndEmpByStepOneResultMap\">\n    select *\n    from t_dept\n    where dept_id = #{deptId}\n\u003C\u002Fselect>\n",[6457],{"type":17,"tag":293,"props":6458,"children":6459},{"__ignoreMap":7},[6460,6468,6475,6482,6490,6498,6505,6513,6521,6528,6536,6544,6551,6558,6566],{"type":17,"tag":329,"props":6461,"children":6462},{"class":331,"line":332},[6463],{"type":17,"tag":329,"props":6464,"children":6465},{},[6466],{"type":23,"value":6467},"\u003CresultMap id=\"DeptAndEmpByStepOneResultMap\" type=\"dept\">\n",{"type":17,"tag":329,"props":6469,"children":6470},{"class":331,"line":341},[6471],{"type":17,"tag":329,"props":6472,"children":6473},{},[6474],{"type":23,"value":6168},{"type":17,"tag":329,"props":6476,"children":6477},{"class":331,"line":350},[6478],{"type":17,"tag":329,"props":6479,"children":6480},{},[6481],{"type":23,"value":6176},{"type":17,"tag":329,"props":6483,"children":6484},{"class":331,"line":359},[6485],{"type":17,"tag":329,"props":6486,"children":6487},{},[6488],{"type":23,"value":6489},"    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resultMap=\"DeptAndEmpByStepOneResultMap\">\n",{"type":17,"tag":329,"props":6545,"children":6546},{"class":331,"line":430},[6547],{"type":17,"tag":329,"props":6548,"children":6549},{},[6550],{"type":23,"value":6255},{"type":17,"tag":329,"props":6552,"children":6553},{"class":331,"line":439},[6554],{"type":17,"tag":329,"props":6555,"children":6556},{},[6557],{"type":23,"value":6263},{"type":17,"tag":329,"props":6559,"children":6560},{"class":331,"line":447},[6561],{"type":17,"tag":329,"props":6562,"children":6563},{},[6564],{"type":23,"value":6565},"    where dept_id = #{deptId}\n",{"type":17,"tag":329,"props":6567,"children":6568},{"class":331,"line":456},[6569],{"type":17,"tag":329,"props":6570,"children":6571},{},[6572],{"type":23,"value":2123},{"type":17,"tag":4624,"props":6574,"children":6576},{"id":6575},"第二步-1",[6577],{"type":23,"value":6578},"第二步：",{"type":17,"tag":57,"props":6580,"children":6581},{},[6582],{"type":17,"tag":86,"props":6583,"children":6584},{},[6585],{"type":23,"value":5434},{"type":17,"tag":319,"props":6587,"children":6589},{"className":321,"code":6588,"language":323,"meta":7,"style":7},"\u002F**\n * 根据dept_id查询部门信息与部门中员工的信息\n *\u002F\nList\u003CEmp> getDeptAndEmpByStepTwo(@Param(\"deptId\") int deptId);\n",[6590],{"type":17,"tag":293,"props":6591,"children":6592},{"__ignoreMap":7},[6593,6600,6608,6615],{"type":17,"tag":329,"props":6594,"children":6595},{"class":331,"line":332},[6596],{"type":17,"tag":329,"props":6597,"children":6598},{},[6599],{"type":23,"value":2532},{"type":17,"tag":329,"props":6601,"children":6602},{"class":331,"line":341},[6603],{"type":17,"tag":329,"props":6604,"children":6605},{},[6606],{"type":23,"value":6607}," * 根据dept_id查询部门信息与部门中员工的信息\n",{"type":17,"tag":329,"props":6609,"children":6610},{"class":331,"line":350},[6611],{"type":17,"tag":329,"props":6612,"children":6613},{},[6614],{"type":23,"value":2572},{"type":17,"tag":329,"props":6616,"children":6617},{"class":331,"line":359},[6618],{"type":17,"tag":329,"props":6619,"children":6620},{},[6621],{"type":23,"value":6622},"List\u003CEmp> getDeptAndEmpByStepTwo(@Param(\"deptId\") int deptId);\n",{"type":17,"tag":57,"props":6624,"children":6625},{},[6626],{"type":17,"tag":86,"props":6627,"children":6628},{},[6629],{"type":23,"value":6630},"映射文件（EmpMapper.xml）：",{"type":17,"tag":319,"props":6632,"children":6634},{"className":1376,"code":6633,"language":1378,"meta":7,"style":7},"\u003C!--List\u003CEmp> getDeptAndEmpByStepTwo(@Param(\"deptId\") int deptId);-->\n\u003Cselect id=\"getDeptAndEmpByStepTwo\" resultType=\"emp\">\n    select * from t_emp where dept_id = #{deptId}\n\u003C\u002Fselect>\n",[6635],{"type":17,"tag":293,"props":6636,"children":6637},{"__ignoreMap":7},[6638,6646,6654,6662],{"type":17,"tag":329,"props":6639,"children":6640},{"class":331,"line":332},[6641],{"type":17,"tag":329,"props":6642,"children":6643},{},[6644],{"type":23,"value":6645},"\u003C!--List\u003CEmp> getDeptAndEmpByStepTwo(@Param(\"deptId\") int deptId);-->\n",{"type":17,"tag":329,"props":6647,"children":6648},{"class":331,"line":341},[6649],{"type":17,"tag":329,"props":6650,"children":6651},{},[6652],{"type":23,"value":6653},"\u003Cselect id=\"getDeptAndEmpByStepTwo\" resultType=\"emp\">\n",{"type":17,"tag":329,"props":6655,"children":6656},{"class":331,"line":350},[6657],{"type":17,"tag":329,"props":6658,"children":6659},{},[6660],{"type":23,"value":6661},"    select * from t_emp where dept_id = #{deptId}\n",{"type":17,"tag":329,"props":6663,"children":6664},{"class":331,"line":359},[6665],{"type":17,"tag":329,"props":6666,"children":6667},{},[6668],{"type":23,"value":2123},{"type":17,"tag":57,"props":6670,"children":6671},{},[6672],{"type":17,"tag":86,"props":6673,"children":6674},{},[6675],{"type":23,"value":2292},{"type":17,"tag":319,"props":6677,"children":6679},{"className":321,"code":6678,"language":323,"meta":7,"style":7},"\u002F**\n * 根据部门id查询部门信息与员工信息，分步查询\n *\u002F\n@Test\npublic void testGetDeptAndEmpByStep(){\n   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testGetDeptAndEmpByStep(){\n",{"type":17,"tag":329,"props":6721,"children":6722},{"class":331,"line":377},[6723],{"type":17,"tag":329,"props":6724,"children":6725},{},[6726],{"type":23,"value":2323},{"type":17,"tag":329,"props":6728,"children":6729},{"class":331,"line":386},[6730],{"type":17,"tag":329,"props":6731,"children":6732},{},[6733],{"type":23,"value":6359},{"type":17,"tag":329,"props":6735,"children":6736},{"class":331,"line":394},[6737],{"type":17,"tag":329,"props":6738,"children":6739},{},[6740],{"type":23,"value":6741},"    Dept deptAndEmpByStepOne = mapper.getDeptAndEmpByStepOne(1);\n",{"type":17,"tag":329,"props":6743,"children":6744},{"class":331,"line":403},[6745],{"type":17,"tag":329,"props":6746,"children":6747},{},[6748],{"type":23,"value":6749},"    System.out.println(deptAndEmpByStepOne);\n",{"type":17,"tag":329,"props":6751,"children":6752},{"class":331,"line":412},[6753],{"type":17,"tag":329,"props":6754,"children":6755},{},[6756],{"type":23,"value":753},{"type":17,"tag":74,"props":6758,"children":6760},{"id":6759},"_74-总结",[6761],{"type":23,"value":6762},"7.4 总结",{"type":17,"tag":31,"props":6764,"children":6765},{},[6766,6771,6776],{"type":17,"tag":35,"props":6767,"children":6768},{},[6769],{"type":23,"value":6770},"对一 对应对象，对多 对应集合",{"type":17,"tag":35,"props":6772,"children":6773},{},[6774],{"type":23,"value":6775},"二次查询结果为对象，用association",{"type":17,"tag":35,"props":6777,"children":6778},{},[6779],{"type":23,"value":6780},"二次查询结果为集合，用collection",{"type":17,"tag":25,"props":6782,"children":6784},{"id":6783},"_8-动态sql",[6785],{"type":23,"value":6786},"8 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test=\"gender != null and gender != ''\">\n        and gender = #{gender}\n    \u003C\u002Fif>\n\u003C\u002Fselect>\n",[6813],{"type":17,"tag":293,"props":6814,"children":6815},{"__ignoreMap":7},[6816,6824,6832,6840,6848,6856,6864,6872,6880,6887,6895,6903,6910],{"type":17,"tag":329,"props":6817,"children":6818},{"class":331,"line":332},[6819],{"type":17,"tag":329,"props":6820,"children":6821},{},[6822],{"type":23,"value":6823},"\u003C!--List\u003CEmp> getEmpByCondition(Emp emp);-->\n",{"type":17,"tag":329,"props":6825,"children":6826},{"class":331,"line":341},[6827],{"type":17,"tag":329,"props":6828,"children":6829},{},[6830],{"type":23,"value":6831},"\u003Cselect id=\"getEmpByCondition\" resultType=\"emp\">\n",{"type":17,"tag":329,"props":6833,"children":6834},{"class":331,"line":350},[6835],{"type":17,"tag":329,"props":6836,"children":6837},{},[6838],{"type":23,"value":6839},"    select * from t_emp where 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com.wangkun.mybatis.pojo.EmpExample;\nimport com.wangkun.mybatis.utils.SqlSessionUtil;\nimport org.apache.ibatis.session.SqlSession;\nimport org.junit.Test;\n\nimport java.util.List;\n\npublic class TestMbg {\n\n    \u002F**\n     * 根据主键id查询员工信息\n     *\u002F\n    @Test\n    public void testGetEmpByExample1() {\n\n        SqlSession sqlSession = SqlSessionUtil.getSqlSession();\n        EmpMapper mapper = sqlSession.getMapper(EmpMapper.class);\n        \u002F\u002F 根据id查询员工信息\n        Emp emp = mapper.selectByPrimaryKey(1);\n        System.out.println(emp);\n\n    }\n\n    \u002F**\n     * 查询所有员工\n     *\u002F\n    @Test\n    public void testGetEmpByExample2() {\n        SqlSession sqlSession = SqlSessionUtil.getSqlSession();\n        EmpMapper mapper = sqlSession.getMapper(EmpMapper.class);\n        List\u003CEmp> emps = mapper.selectByExample(null);\n        for (Emp emp : emps) {\n            System.out.println(emp);\n        }\n\n    }\n\n    \u002F**\n     * 根据条件查询员工\n     *\u002F\n    @Test\n    public void testGetEmpByExample3() {\n        SqlSession sqlSession = SqlSessionUtil.getSqlSession();\n        EmpMapper mapper = sqlSession.getMapper(EmpMapper.class);\n        \u002F\u002F 创建实例\n        EmpExample empExample = new EmpExample();\n        \u002F\u002F 添加条件\n        empExample.createCriteria().andEmpNameEqualTo(\"张三\").andGenderEqualTo(\"女\");\n        empExample.or().andAgeLessThan(20);\n\n        List\u003CEmp> emps = mapper.selectByExample(empExample);\n        for (Emp item : emps) {\n            System.out.println(item);\n        }\n    }\n\n    \u002F**\n     * 修改员工信息\n     *\u002F\n    @Test\n    public void testGetEmpByExample4() {\n        SqlSession sqlSession = SqlSessionUtil.getSqlSession();\n        EmpMapper mapper = sqlSession.getMapper(EmpMapper.class);\n        \u002F\u002F 创建实例\n        Emp emp = new Emp(1, \"小白\", 12, \"女\");\n        \u002F\u002F 1. 修改\n        int i1 = mapper.updateByPrimaryKey(emp);\n        \u002F\u002F 2. 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class=\"com.wangkun.spring.pojo.HelloWorld\"\u002F>\n",{"type":17,"tag":329,"props":10595,"children":10596},{"class":331,"line":439},[10597],{"type":17,"tag":329,"props":10598,"children":10599},{"emptyLinePlaceholder":542},[10600],{"type":23,"value":545},{"type":17,"tag":329,"props":10602,"children":10603},{"class":331,"line":447},[10604],{"type":17,"tag":329,"props":10605,"children":10606},{},[10607],{"type":23,"value":10608},"\u003C\u002Fbeans>\n",{"type":17,"tag":245,"props":10610,"children":10611},{"start":368},[10612],{"type":17,"tag":35,"props":10613,"children":10614},{},[10615],{"type":23,"value":10616},"创建测试类测试",{"type":17,"tag":319,"props":10618,"children":10620},{"className":321,"code":10619,"language":323,"meta":7,"style":7},"package com.wangkun.spring.test;\n\nimport com.wangkun.spring.pojo.HelloWorld;\nimport org.junit.Test;\nimport org.springframework.context.annotation.ClassPathBeanDefinitionScanner;\nimport org.springframework.context.support.ClassPathXmlApplicationContext;\n\npublic class TestHelloWorld {\n    @Test\n    public void test() {\n        ClassPathXmlApplicationContext ioc = new ClassPathXmlApplicationContext(\"applicationContext.xml\");\n\n        HelloWorld helloWorld = (HelloWorld) ioc.getBean(\"helloWorld\");\n        helloWorld.sayHello();\n    }\n}\n",[10621],{"type":17,"tag":293,"props":10622,"children":10623},{"__ignoreMap":7},[10624,10632,10639,10647,10654,10662,10670,10677,10685,10692,10700,10708,10715,10723,10731,10738],{"type":17,"tag":329,"props":10625,"children":10626},{"class":331,"line":332},[10627],{"type":17,"tag":329,"props":10628,"children":10629},{},[10630],{"type":23,"value":10631},"package 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{\n",{"type":17,"tag":329,"props":10686,"children":10687},{"class":331,"line":403},[10688],{"type":17,"tag":329,"props":10689,"children":10690},{},[10691],{"type":23,"value":1147},{"type":17,"tag":329,"props":10693,"children":10694},{"class":331,"line":412},[10695],{"type":17,"tag":329,"props":10696,"children":10697},{},[10698],{"type":23,"value":10699},"    public void test() {\n",{"type":17,"tag":329,"props":10701,"children":10702},{"class":331,"line":421},[10703],{"type":17,"tag":329,"props":10704,"children":10705},{},[10706],{"type":23,"value":10707},"        ClassPathXmlApplicationContext ioc = new ClassPathXmlApplicationContext(\"applicationContext.xml\");\n",{"type":17,"tag":329,"props":10709,"children":10710},{"class":331,"line":430},[10711],{"type":17,"tag":329,"props":10712,"children":10713},{"emptyLinePlaceholder":542},[10714],{"type":23,"value":545},{"type":17,"tag":329,"props":10716,"children":10717},{"class":331,"line":439},[10718],{"type":17,"tag":329,"props":10719,"children":10720},{},[10721],{"type":23,"value":10722},"        HelloWorld helloWorld = (HelloWorld) ioc.getBean(\"helloWorld\");\n",{"type":17,"tag":329,"props":10724,"children":10725},{"class":331,"line":447},[10726],{"type":17,"tag":329,"props":10727,"children":10728},{},[10729],{"type":23,"value":10730},"        helloWorld.sayHello();\n",{"type":17,"tag":329,"props":10732,"children":10733},{"class":331,"line":456},[10734],{"type":17,"tag":329,"props":10735,"children":10736},{},[10737],{"type":23,"value":1351},{"type":17,"tag":329,"props":10739,"children":10740},{"class":331,"line":465},[10741],{"type":17,"tag":329,"props":10742,"children":10743},{},[10744],{"type":23,"value":753},{"type":17,"tag":3272,"props":10746,"children":10748},{"id":10747},"_222-获取bean的三种方式",[10749],{"type":23,"value":10750},"2.2.2 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System.out.println(bean);\n}\n",[10773],{"type":17,"tag":293,"props":10774,"children":10775},{"__ignoreMap":7},[10776,10783,10791,10799,10806,10814,10822,10830,10837,10845,10853,10860,10868,10876,10883,10891],{"type":17,"tag":329,"props":10777,"children":10778},{"class":331,"line":332},[10779],{"type":17,"tag":329,"props":10780,"children":10781},{},[10782],{"type":23,"value":2307},{"type":17,"tag":329,"props":10784,"children":10785},{"class":331,"line":341},[10786],{"type":17,"tag":329,"props":10787,"children":10788},{},[10789],{"type":23,"value":10790},"public void test() {\n",{"type":17,"tag":329,"props":10792,"children":10793},{"class":331,"line":350},[10794],{"type":17,"tag":329,"props":10795,"children":10796},{},[10797],{"type":23,"value":10798},"    ClassPathXmlApplicationContext ioc = new ClassPathXmlApplicationContext(\"applicationContext.xml\");\n",{"type":17,"tag":329,"props":10800,"children":10801},{"class":331,"line":359},[10802],{"type":17,"tag":329,"props":10803,"children":10804},{"emptyLinePlaceholder":542},[10805],{"type":23,"value":545},{"type":17,"tag":329,"props":10807,"children":10808},{"class":331,"line":368},[10809],{"type":17,"tag":329,"props":10810,"children":10811},{},[10812],{"type":23,"value":10813},"    \u002F*获取bean的三种方式*\u002F\n",{"type":17,"tag":329,"props":10815,"children":10816},{"class":331,"line":377},[10817],{"type":17,"tag":329,"props":10818,"children":10819},{},[10820],{"type":23,"value":10821},"    \u002F\u002F 1. 根据id获取\n",{"type":17,"tag":329,"props":10823,"children":10824},{"class":331,"line":386},[10825],{"type":17,"tag":329,"props":10826,"children":10827},{},[10828],{"type":23,"value":10829},"    \u002F\u002F Student studentOne = (Student) ioc.getBean(\"studentOne\");\n",{"type":17,"tag":329,"props":10831,"children":10832},{"class":331,"line":394},[10833],{"type":17,"tag":329,"props":10834,"children":10835},{"emptyLinePlaceholder":542},[10836],{"type":23,"value":545},{"type":17,"tag":329,"props":10838,"children":10839},{"class":331,"line":403},[10840],{"type":17,"tag":329,"props":10841,"children":10842},{},[10843],{"type":23,"value":10844},"    \u002F\u002F 2. 根据类型获取 最常用\n",{"type":17,"tag":329,"props":10846,"children":10847},{"class":331,"line":412},[10848],{"type":17,"tag":329,"props":10849,"children":10850},{},[10851],{"type":23,"value":10852},"    \u002F\u002F Student bean = ioc.getBean(Student.class);\n",{"type":17,"tag":329,"props":10854,"children":10855},{"class":331,"line":421},[10856],{"type":17,"tag":329,"props":10857,"children":10858},{"emptyLinePlaceholder":542},[10859],{"type":23,"value":545},{"type":17,"tag":329,"props":10861,"children":10862},{"class":331,"line":430},[10863],{"type":17,"tag":329,"props":10864,"children":10865},{},[10866],{"type":23,"value":10867},"    \u002F\u002F 3. 根据类型和id获取\n",{"type":17,"tag":329,"props":10869,"children":10870},{"class":331,"line":439},[10871],{"type":17,"tag":329,"props":10872,"children":10873},{},[10874],{"type":23,"value":10875},"    Student bean = ioc.getBean(\"studentOne\", 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System.out.println(bean);\n",{"type":17,"tag":329,"props":10892,"children":10893},{"class":331,"line":465},[10894],{"type":17,"tag":329,"props":10895,"children":10896},{},[10897],{"type":23,"value":753},{"type":17,"tag":57,"props":10899,"children":10900},{},[10901],{"type":17,"tag":86,"props":10902,"children":10903},{},[10904],{"type":23,"value":10905},"注意：",{"type":17,"tag":31,"props":10907,"children":10908},{},[10909,10914],{"type":17,"tag":35,"props":10910,"children":10911},{},[10912],{"type":23,"value":10913},"当根据类型获取bean时，要IOC容器中指定的类型的bean有且只能有一个",{"type":17,"tag":35,"props":10915,"children":10916},{},[10917],{"type":23,"value":10918},"如果组件类实现了接口，根据接口类型可以获取到bean，但前提是有且只一个类实现了这个接口",{"type":17,"tag":57,"props":10920,"children":10921},{},[10922],{"type":17,"tag":86,"props":10923,"children":10924},{},[10925],{"type":23,"value":10926},"结论：",{"type":17,"tag":57,"props":10928,"children":10929},{},[10930,10932,10937],{"type":23,"value":10931},"根据类型来获取bean时，在满足bean唯一性的前提下，其实只是看：「对象 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xmlns:context=\"http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Fcontext\"\n         xsi:schemaLocation=\"\n         http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Fbeans\n         http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Fbeans\u002Fspring-beans.xsd\n         http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Fcontext\n         http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Fcontext\u002Fspring-context.xsd\">\n  \u003C\u002Fbeans>\n",[10965],{"type":17,"tag":293,"props":10966,"children":10967},{"__ignoreMap":7},[10968,10975,10983,10990,10998,11006,11014,11022,11030,11038],{"type":17,"tag":329,"props":10969,"children":10970},{"class":331,"line":332},[10971],{"type":17,"tag":329,"props":10972,"children":10973},{},[10974],{"type":23,"value":7968},{"type":17,"tag":329,"props":10976,"children":10977},{"class":331,"line":341},[10978],{"type":17,"tag":329,"props":10979,"children":10980},{},[10981],{"type":23,"value":10982},"  \u003Cbeans 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org.springframework.beans.factory.FactoryBean;\n\n\u002F*\n* FactoryBean是一个接口，需要创建一个类实现接口\n* 其中有三个方法：\n*   1. getObject(): 通过一个对象交给IOC容器管理\n*   2. GetObjectType(): 设置所提供对象的类型\n*   3. isSingleton(): 所提供的对象是否为单例\n* *\u002F\n\npublic class UserFactoryBean implements FactoryBean\u003CUser> {\n    @Override\n    public User getObject() throws Exception {\n        return new User();\n    }\n    @Override\n    public Class\u003C?> getObjectType() {\n        return User.class;\n    }\n}\n",[14179],{"type":17,"tag":293,"props":14180,"children":14181},{"__ignoreMap":7},[14182,14190,14197,14205,14213,14220,14228,14236,14244,14252,14260,14268,14276,14283,14291,14298,14306,14314,14321,14328,14336,14344,14351],{"type":17,"tag":329,"props":14183,"children":14184},{"class":331,"line":332},[14185],{"type":17,"tag":329,"props":14186,"children":14187},{},[14188],{"type":23,"value":14189},"package com.wangkun.spring.factory;\n",{"type":17,"tag":329,"props":14191,"children":14192},{"class":331,"line":341},[14193],{"type":17,"tag":329,"props":14194,"children":14195},{"emptyLinePlaceholder":542},[14196],{"type":23,"value":545},{"type":17,"tag":329,"props":14198,"children":14199},{"class":331,"line":350},[14200],{"type":17,"tag":329,"props":14201,"children":14202},{},[14203],{"type":23,"value":14204},"import com.wangkun.spring.pojo.User;\n",{"type":17,"tag":329,"props":14206,"children":14207},{"class":331,"line":359},[14208],{"type":17,"tag":329,"props":14209,"children":14210},{},[14211],{"type":23,"value":14212},"import org.springframework.beans.factory.FactoryBean;\n",{"type":17,"tag":329,"props":14214,"children":14215},{"class":331,"line":368},[14216],{"type":17,"tag":329,"props":14217,"children":14218},{"emptyLinePlaceholder":542},[14219],{"type":23,"value":545},{"type":17,"tag":329,"props":14221,"children":14222},{"class":331,"line":377},[14223],{"type":17,"tag":329,"props":14224,"children":14225},{},[14226],{"type":23,"value":14227},"\u002F*\n",{"type":17,"tag":329,"props":14229,"children":14230},{"class":331,"line":386},[14231],{"type":17,"tag":329,"props":14232,"children":14233},{},[14234],{"type":23,"value":14235},"* FactoryBean是一个接口，需要创建一个类实现接口\n",{"type":17,"tag":329,"props":14237,"children":14238},{"class":331,"line":394},[14239],{"type":17,"tag":329,"props":14240,"children":14241},{},[14242],{"type":23,"value":14243},"* 其中有三个方法：\n",{"type":17,"tag":329,"props":14245,"children":14246},{"class":331,"line":403},[14247],{"type":17,"tag":329,"props":14248,"children":14249},{},[14250],{"type":23,"value":14251},"*   1. getObject(): 通过一个对象交给IOC容器管理\n",{"type":17,"tag":329,"props":14253,"children":14254},{"class":331,"line":412},[14255],{"type":17,"tag":329,"props":14256,"children":14257},{},[14258],{"type":23,"value":14259},"*   2. GetObjectType(): 设置所提供对象的类型\n",{"type":17,"tag":329,"props":14261,"children":14262},{"class":331,"line":421},[14263],{"type":17,"tag":329,"props":14264,"children":14265},{},[14266],{"type":23,"value":14267},"*   3. isSingleton(): 所提供的对象是否为单例\n",{"type":17,"tag":329,"props":14269,"children":14270},{"class":331,"line":430},[14271],{"type":17,"tag":329,"props":14272,"children":14273},{},[14274],{"type":23,"value":14275},"* *\u002F\n",{"type":17,"tag":329,"props":14277,"children":14278},{"class":331,"line":439},[14279],{"type":17,"tag":329,"props":14280,"children":14281},{"emptyLinePlaceholder":542},[14282],{"type":23,"value":545},{"type":17,"tag":329,"props":14284,"children":14285},{"class":331,"line":447},[14286],{"type":17,"tag":329,"props":14287,"children":14288},{},[14289],{"type":23,"value":14290},"public class UserFactoryBean implements FactoryBean\u003CUser> {\n",{"type":17,"tag":329,"props":14292,"children":14293},{"class":331,"line":456},[14294],{"type":17,"tag":329,"props":14295,"children":14296},{},[14297],{"type":23,"value":13574},{"type":17,"tag":329,"props":14299,"children":14300},{"class":331,"line":465},[14301],{"type":17,"tag":329,"props":14302,"children":14303},{},[14304],{"type":23,"value":14305},"    public User getObject() throws Exception {\n",{"type":17,"tag":329,"props":14307,"children":14308},{"class":331,"line":474},[14309],{"type":17,"tag":329,"props":14310,"children":14311},{},[14312],{"type":23,"value":14313},"        return new User();\n",{"type":17,"tag":329,"props":14315,"children":14316},{"class":331,"line":483},[14317],{"type":17,"tag":329,"props":14318,"children":14319},{},[14320],{"type":23,"value":1351},{"type":17,"tag":329,"props":14322,"children":14323},{"class":331,"line":667},[14324],{"type":17,"tag":329,"props":14325,"children":14326},{},[14327],{"type":23,"value":13574},{"type":17,"tag":329,"props":14329,"children":14330},{"class":331,"line":676},[14331],{"type":17,"tag":329,"props":14332,"children":14333},{},[14334],{"type":23,"value":14335},"    public Class\u003C?> getObjectType() {\n",{"type":17,"tag":329,"props":14337,"children":14338},{"class":331,"line":685},[14339],{"type":17,"tag":329,"props":14340,"children":14341},{},[14342],{"type":23,"value":14343},"        return User.class;\n",{"type":17,"tag":329,"props":14345,"children":14346},{"class":331,"line":694},[14347],{"type":17,"tag":329,"props":14348,"children":14349},{},[14350],{"type":23,"value":1351},{"type":17,"tag":329,"props":14352,"children":14353},{"class":331,"line":1213},[14354],{"type":17,"tag":329,"props":14355,"children":14356},{},[14357],{"type":23,"value":753},{"type":17,"tag":57,"props":14359,"children":14360},{},[14361],{"type":17,"tag":86,"props":14362,"children":14363},{},[14364],{"type":23,"value":14365},"bean配置：",{"type":17,"tag":319,"props":14367,"children":14369},{"className":1376,"code":14368,"language":1378,"meta":7,"style":7},"\u003C?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\u003Cbeans xmlns=\"http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Fbeans\"\n       xmlns:xsi=\"http:\u002F\u002Fwww.w3.org\u002F2001\u002FXMLSchema-instance\"\n       xsi:schemaLocation=\"http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Fbeans http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Fbeans\u002Fspring-beans.xsd\">\n\n    \u003Cbean id=\"userFactory\" class=\"com.wangkun.spring.factory.UserFactoryBean\"\u002F>\n\n\u003C\u002Fbeans>\n",[14370],{"type":17,"tag":293,"props":14371,"children":14372},{"__ignoreMap":7},[14373,14380,14387,14394,14401,14408,14416,14423],{"type":17,"tag":329,"props":14374,"children":14375},{"class":331,"line":332},[14376],{"type":17,"tag":329,"props":14377,"children":14378},{},[14379],{"type":23,"value":7968},{"type":17,"tag":329,"props":14381,"children":14382},{"class":331,"line":341},[14383],{"type":17,"tag":329,"props":14384,"children":14385},{},[14386],{"type":23,"value":10514},{"type":17,"tag":329,"props":14388,"children":14389},{"class":331,"line":350},[14390],{"type":17,"tag":329,"props":14391,"children":14392},{},[14393],{"type":23,"value":10522},{"type":17,"tag":329,"props":14395,"children":14396},{"class":331,"line":359},[14397],{"type":17,"tag":329,"props":14398,"children":14399},{},[14400],{"type":23,"value":10530},{"type":17,"tag":329,"props":14402,"children":14403},{"class":331,"line":368},[14404],{"type":17,"tag":329,"props":14405,"children":14406},{"emptyLinePlaceholder":542},[14407],{"type":23,"value":545},{"type":17,"tag":329,"props":14409,"children":14410},{"class":331,"line":377},[14411],{"type":17,"tag":329,"props":14412,"children":14413},{},[14414],{"type":23,"value":14415},"    \u003Cbean id=\"userFactory\" class=\"com.wangkun.spring.factory.UserFactoryBean\"\u002F>\n",{"type":17,"tag":329,"props":14417,"children":14418},{"class":331,"line":386},[14419],{"type":17,"tag":329,"props":14420,"children":14421},{"emptyLinePlaceholder":542},[14422],{"type":23,"value":545},{"type":17,"tag":329,"props":14424,"children":14425},{"class":331,"line":394},[14426],{"type":17,"tag":329,"props":14427,"children":14428},{},[14429],{"type":23,"value":10608},{"type":17,"tag":57,"props":14431,"children":14432},{},[14433],{"type":17,"tag":86,"props":14434,"children":14435},{},[14436],{"type":23,"value":14437},"测试类：使用，与打印结果",{"type":17,"tag":319,"props":14439,"children":14441},{"className":321,"code":14440,"language":323,"meta":7,"style":7},"@Test\npublic void testFactory() {\n\n    ClassPathXmlApplicationContext ioc = new ClassPathXmlApplicationContext(\"spring-factory.xml\");\n\n    User bean = ioc.getBean(User.class);\n    System.out.println(bean);\n\n}\n\n\u002F\u002F 打印结果，只有生命周期第一步，因为没有进行依赖注入，\n\u002F\u002F 生命周期1：实例化\n\u002F\u002F User{id=null, username='null', password='null', age=null}\n",[14442],{"type":17,"tag":293,"props":14443,"children":14444},{"__ignoreMap":7},[14445,14452,14460,14467,14475,14482,14490,14497,14504,14511,14518,14526,14534],{"type":17,"tag":329,"props":14446,"children":14447},{"class":331,"line":332},[14448],{"type":17,"tag":329,"props":14449,"children":14450},{},[14451],{"type":23,"value":2307},{"type":17,"tag":329,"props":14453,"children":14454},{"class":331,"line":341},[14455],{"type":17,"tag":329,"props":14456,"children":14457},{},[14458],{"type":23,"value":14459},"public void testFactory() {\n",{"type":17,"tag":329,"props":14461,"children":14462},{"class":331,"line":350},[14463],{"type":17,"tag":329,"props":14464,"children":14465},{"emptyLinePlaceholder":542},[14466],{"type":23,"value":545},{"type":17,"tag":329,"props":14468,"children":14469},{"class":331,"line":359},[14470],{"type":17,"tag":329,"props":14471,"children":14472},{},[14473],{"type":23,"value":14474},"    ClassPathXmlApplicationContext ioc = new ClassPathXmlApplicationContext(\"spring-factory.xml\");\n",{"type":17,"tag":329,"props":14476,"children":14477},{"class":331,"line":368},[14478],{"type":17,"tag":329,"props":14479,"children":14480},{"emptyLinePlaceholder":542},[14481],{"type":23,"value":545},{"type":17,"tag":329,"props":14483,"children":14484},{"class":331,"line":377},[14485],{"type":17,"tag":329,"props":14486,"children":14487},{},[14488],{"type":23,"value":14489},"    User bean = ioc.getBean(User.class);\n",{"type":17,"tag":329,"props":14491,"children":14492},{"class":331,"line":386},[14493],{"type":17,"tag":329,"props":14494,"children":14495},{},[14496],{"type":23,"value":10890},{"type":17,"tag":329,"props":14498,"children":14499},{"class":331,"line":394},[14500],{"type":17,"tag":329,"props":14501,"children":14502},{"emptyLinePlaceholder":542},[14503],{"type":23,"value":545},{"type":17,"tag":329,"props":14505,"children":14506},{"class":331,"line":403},[14507],{"type":17,"tag":329,"props":14508,"children":14509},{},[14510],{"type":23,"value":753},{"type":17,"tag":329,"props":14512,"children":14513},{"class":331,"line":412},[14514],{"type":17,"tag":329,"props":14515,"children":14516},{"emptyLinePlaceholder":542},[14517],{"type":23,"value":545},{"type":17,"tag":329,"props":14519,"children":14520},{"class":331,"line":421},[14521],{"type":17,"tag":329,"props":14522,"children":14523},{},[14524],{"type":23,"value":14525},"\u002F\u002F 打印结果，只有生命周期第一步，因为没有进行依赖注入，\n",{"type":17,"tag":329,"props":14527,"children":14528},{"class":331,"line":430},[14529],{"type":17,"tag":329,"props":14530,"children":14531},{},[14532],{"type":23,"value":14533},"\u002F\u002F 生命周期1：实例化\n",{"type":17,"tag":329,"props":14535,"children":14536},{"class":331,"line":439},[14537],{"type":17,"tag":329,"props":14538,"children":14539},{},[14540],{"type":23,"value":14541},"\u002F\u002F User{id=null, username='null', password='null', age=null}\n",{"type":17,"tag":3272,"props":14543,"children":14545},{"id":14544},"_2312-基于xml的自动装配",[14546],{"type":23,"value":14547},"2.3.12 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version=\"1.0\" encoding=\"UTF-8\"?>\n\u003Cbeans xmlns=\"http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Fbeans\"\n       xmlns:xsi=\"http:\u002F\u002Fwww.w3.org\u002F2001\u002FXMLSchema-instance\"\n       xsi:schemaLocation=\"http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Fbeans http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Fbeans\u002Fspring-beans.xsd\">\n\n\n    \u003Cbean id=\"userController\" class=\"com.wangkun.spring.controller.UserController\" autowire=\"byType\">\n\u003C!--        \u003Cproperty name=\"userService\" ref=\"userService\"\u002F>-->\n    \u003C\u002Fbean>\n\n    \u003Cbean class=\"com.wangkun.spring.service.impl.UserServiceImpl\" id=\"userService\" autowire=\"byType\">\n\u003C!--        \u003Cproperty name=\"userDao\" ref=\"userDao\"\u002F>-->\n    \u003C\u002Fbean>\n\n    \u003Cbean class=\"com.wangkun.spring.dao.impl.UserDaoImpl\" id=\"userDao\">\n    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class=\"com.wangkun.spring.service.impl.UserServiceImpl\" id=\"userService\" autowire=\"byType\">\n",{"type":17,"tag":329,"props":14675,"children":14676},{"class":331,"line":430},[14677],{"type":17,"tag":329,"props":14678,"children":14679},{},[14680],{"type":23,"value":14681},"\u003C!--        \u003Cproperty name=\"userDao\" ref=\"userDao\"\u002F>-->\n",{"type":17,"tag":329,"props":14683,"children":14684},{"class":331,"line":439},[14685],{"type":17,"tag":329,"props":14686,"children":14687},{},[14688],{"type":23,"value":13302},{"type":17,"tag":329,"props":14690,"children":14691},{"class":331,"line":447},[14692],{"type":17,"tag":329,"props":14693,"children":14694},{"emptyLinePlaceholder":542},[14695],{"type":23,"value":545},{"type":17,"tag":329,"props":14697,"children":14698},{"class":331,"line":456},[14699],{"type":17,"tag":329,"props":14700,"children":14701},{},[14702],{"type":23,"value":14703},"    \u003Cbean class=\"com.wangkun.spring.dao.impl.UserDaoImpl\" 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xmlns:context=\"http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Fcontext\"\n       xmlns:aop=\"http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Faop\"\n       xsi:schemaLocation=\"http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Fbeans http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Fbeans\u002Fspring-beans.xsd http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Fcontext https:\u002F\u002Fwww.springframework.org\u002Fschema\u002Fcontext\u002Fspring-context.xsd http:\u002F\u002Fwww.springframework.org\u002Fschema\u002Faop https:\u002F\u002Fwww.springframework.org\u002Fschema\u002Faop\u002Fspring-aop.xsd\">\n\n    \u003Ccontext:component-scan base-package=\"com.wangkun.spring.aop.annotation\"\u002F>\n\n    \u003C!--开区基于注解的AOP-->\n    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System.out.println(\"Logger===> 后置通知，方法名：\" + methodName + \" 执行结束\");\n    }\n\n\n    \u002F**\n     * 环绕通知\n     *\n     * @param joinPoint\n     * @return\n     *\u002F\n    @Around(\"pointCut()\")\n    public Object aroundMethod(ProceedingJoinPoint joinPoint) {\n\n        Object proceed = null;\n        try {\n            System.out.println(\"环绕通知 ==== 前置通知\");\n            proceed = joinPoint.proceed();\n            System.out.println(\"环绕通知 ==== 返回通知\");\n        } catch (Throwable e) {\n            System.out.println(\"环绕通知 ==== 异常通知\");\n            throw new RuntimeException(e);\n        } finally {\n            System.out.println(\"环绕通知 ==== 后置通知\");\n        }\n\n        return proceed;\n    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jdbcTemplate.queryForObject(sql, new BeanPropertyRowMapper\u003C>(User.class), 1);\n        System.out.println(user);\n    }\n\n    \u002F**\n     * 查询所有用户\n     *\u002F\n    @Test\n    public void testGetAllUser() {\n        String sql = \"select * from t_user\";\n        List\u003CUser> list = jdbcTemplate.query(sql, new BeanPropertyRowMapper\u003C>(User.class));\n\n        for (User user : list) {\n            System.out.println(user);\n        }\n    }\n\n    \u002F**\n     * 查询一共有多少条数据\n     *\u002F\n    @Test\n    public void testGetAllCount() {\n        String sql = \"select count(*) from t_user\";\n        Integer integer = jdbcTemplate.queryForObject(sql, Integer.class);\n        System.out.println(integer);\n    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?)\";\n",{"type":17,"tag":329,"props":18243,"children":18244},{"class":331,"line":1248},[18245],{"type":17,"tag":329,"props":18246,"children":18247},{},[18248],{"type":23,"value":18249},"        jdbcTemplate.update(sql, \"root\", \"123\", \"23\", \"女\", 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