Mybatis初步详细配置

1.Mybatis所需包

下载地址：https://github.com/mybatis/mybatis-3/releases，其中log4j是日志包，mysql是数据库所需包，需自行下载

2.项目结构

3.mybatis-config.xml配置文件

 1 <?xml version="1.0" encoding="UTF-8" ?>
 2 <!DOCTYPE configuration
 3 PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
 4 "http://mybatis.org/dtd/mybatis-3-config.dtd">
 5 
 6 <!-- 通过这个配置文件完成mybatis与数据库的连接 -->
 7 <configuration><!--  configuration 中的元素，不但有类型限制，也有顺序限制 -->
 8     <!-- 引入 database.properties 文件-->
 9     <properties resource="database.properties"/>
10     
11     <!-- 配置mybatis的log实现为LOG4J -->
12     <settings>
13         <setting name="logImpl" value="LOG4J" />
14     </settings>
15     
16     <typeAliases>
17         <typeAlias type="com.wt.pojo.User" alias="Person"/><!-- 自定义别名 -->
18     </typeAliases>
19     
20     <environments default="development"><!--定义默认使用的数据源  -->
21         <environment id="development"><!--配置id为development的数据源  -->
22             <!--配置事务管理，采用JDBC的事务管理  -->
23             <transactionManager type="JDBC"></transactionManager>
24             <!-- POOLED:mybatis自带的数据源，JNDI:基于tomcat的数据源 -->
25             <dataSource type="POOLED"> <!-- 定义数据源使用数据库连接池 type=UNPOOLED表示不使用数据库连接池 -->
26                 <property name="driver" value="${driver}"/>
27                 <property name="url" value="${url}"/>
28                 <property name="username" value="${user}"/>
29                 <property name="password" value="${password}"/>
30             </dataSource>
31         </environment>
32     </environments>
33     
34     <!-- 将mapper映射器文件加入到配置文件中 -->
35     <mappers>
36         <mapper resource="com/wt/dao/UserMapper.xml"/>
37     </mappers>
38     
39 </configuration>

View Code

4.UserMapper.xml映射器文件（sql语句写在这里，都有注释）

 1 <?xml version="1.0" encoding="UTF-8" ?>
 2 <!DOCTYPE mapper
 3 PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 4 "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 5 <!-- 映射器 -->
 6 <mapper namespace="com.wt.dao.UserMapper"><!-- 定义命名空间 -->
 7 
 8     <!-- 查询用户表记录数 -->
 9     <select id="count" resultType="int">
10         select count(1) as count from
11         smbms_user
12     </select>
13 
14     <!-- 查询用户列表 -->
15     <select id="getUserList" resultType="com.wt.pojo.User">
16         select * from smbms_user
17     </select>
18 
19 
20     <!-- 查询用户名 -->
21     <select id="getUser" resultType="com.wt.pojo.User"><!-- resultType方法返回的类型 -->
22         select userName from smbms_user
23     </select>
24 
25     <!-- 插入数据 -->
26     <!-- useGeneratedKeys="true"自增主键回填 keyProperty="id" 定义id为主键字段 -->
27     <!-- parameterType="Person"引用了配置文件自定义命名 Person -->
28     <insert id="addUser" parameterType="Person" useGeneratedKeys="true"
29         keyProperty="id">
30         insert into smbms_user
31         values(null,#{userCode},#{userName},
32         #{userPassword},#{gender},#{birthday},#{phone},#{address},
33         #{userRole},#{createdBy},#{creationDate},#{modifyBy},#{modifyDate})
34     </insert>
35 
36     <!-- 根据id更新数据 -->
37     <update id="updateUser" parameterType="com.wt.pojo.User"><!-- parameterType 方法参数类型 多个值参数传map -->
38         update smbms_user set
39         userCode=#{userCode},userName=#{userName},userPassword=#{userPassword}
40         where id=#{id}
41     </update>
42 
43     <!-- 根据id删除数据 -->
44     <delete id="deleteUser" parameterType="int">
45         delete from smbms_user
46         where id=#{id}
47     </delete>
48     
49     <!-- 模糊查询 -->
50     <select id="findUserByUsername" parameterType="String"
51         resultType="Person">
52         <!-- select * from smbms_user where userName like '%${userName}%' -->
53         select * from smbms_user where userName like CONCAT
54         ('%',#{userName},'%')
55         <!-- select * from smbms_user where userName like "%"#{userName}"%" -->
56     </select>
57 
58 </mapper>

View Code

5.数据库代码（几个表，这里只测试用户表）

  1 /*
  2 SQLyog 企业版 - MySQL GUI v8.14 
  3 MySQL - 5.5.40 : Database - smbms
  4 *********************************************************************
  5 */
  6 
  7 
  8 /*!40101 SET NAMES utf8 */;
  9 
 10 /*!40101 SET SQL_MODE=''*/;
 11 
 12 /*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
 13 /*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
 14 /*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
 15 /*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
 16 CREATE DATABASE /*!32312 IF NOT EXISTS*/`smbms` /*!40100 DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci */;
 17 
 18 USE `smbms`;
 19 
 20 /*Table structure for table `smbms_address` */
 21 
 22 DROP TABLE IF EXISTS `smbms_address`;
 23 
 24 CREATE TABLE `smbms_address` (
 25   `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键ID',
 26   `contact` varchar(15) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '联系人姓名',
 27   `addressDesc` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '收货地址明细',
 28   `postCode` varchar(15) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '邮编',
 29   `tel` varchar(20) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '联系人电话',
 30   `createdBy` bigint(20) DEFAULT NULL COMMENT '创建者',
 31   `creationDate` datetime DEFAULT NULL COMMENT '创建时间',
 32   `modifyBy` bigint(20) DEFAULT NULL COMMENT '修改者',
 33   `modifyDate` datetime DEFAULT NULL COMMENT '修改时间',
 34   `userId` bigint(20) DEFAULT NULL COMMENT '用户ID',
 35   PRIMARY KEY (`id`)
 36 ) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
 37 
 38 /*Data for the table `smbms_address` */
 39 
 40 insert  into `smbms_address`(`id`,`contact`,`addressDesc`,`postCode`,`tel`,`createdBy`,`creationDate`,`modifyBy`,`modifyDate`,`userId`) values (1,'王丽','北京市东城区东交民巷44号','100010','13678789999',1,'2016-04-13 00:00:00',NULL,NULL,1),(2,'张红丽','北京市海淀区丹棱街3号','100000','18567672312',1,'2016-04-13 00:00:00',NULL,NULL,1),(3,'任志强','北京市东城区美术馆后街23号','100021','13387906742',1,'2016-04-13 00:00:00',NULL,NULL,1),(4,'曹颖','北京市朝阳区朝阳门南大街14号','100053','13568902323',1,'2016-04-13 00:00:00',NULL,NULL,2),(5,'李慧','北京市西城区三里河路南三巷3号','100032','18032356666',1,'2016-04-13 00:00:00',NULL,NULL,3),(6,'王国强','北京市顺义区高丽营镇金马工业区18号','100061','13787882222',1,'2016-04-13 00:00:00',NULL,NULL,3);
 41 
 42 /*Table structure for table `smbms_bill` */
 43 
 44 DROP TABLE IF EXISTS `smbms_bill`;
 45 
 46 CREATE TABLE `smbms_bill` (
 47   `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键ID',
 48   `billCode` varchar(20) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '账单编码',
 49   `productName` varchar(20) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '商品名称',
 50   `productDesc` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '商品描述',
 51   `productUnit` varchar(10) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '商品单位',
 52   `productCount` decimal(20,2) DEFAULT NULL COMMENT '商品数量',
 53   `totalPrice` decimal(20,2) DEFAULT NULL COMMENT '商品总额',
 54   `isPayment` int(10) DEFAULT NULL COMMENT '是否支付（1：未支付 2：已支付）',
 55   `createdBy` bigint(20) DEFAULT NULL COMMENT '创建者（userId）',
 56   `creationDate` datetime DEFAULT NULL COMMENT '创建时间',
 57   `modifyBy` bigint(20) DEFAULT NULL COMMENT '更新者（userId）',
 58   `modifyDate` datetime DEFAULT NULL COMMENT '更新时间',
 59   `providerId` bigint(20) DEFAULT NULL COMMENT '供应商ID',
 60   PRIMARY KEY (`id`)
 61 ) ENGINE=InnoDB AUTO_INCREMENT=19 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
 62 
 63 /*Data for the table `smbms_bill` */
 64 
 65 insert  into `smbms_bill`(`id`,`billCode`,`productName`,`productDesc`,`productUnit`,`productCount`,`totalPrice`,`isPayment`,`createdBy`,`creationDate`,`modifyBy`,`modifyDate`,`providerId`) values (1,'BILL2016_001','洗发水、护发素','日用品-洗发、护发','瓶','500.00','25000.00',2,1,'2014-12-14 13:02:03',NULL,NULL,13),(2,'BILL2016_002','香皂、肥皂、药皂','日用品-皂类','块','1000.00','10000.00',2,1,'2016-03-23 04:20:40',NULL,NULL,13),(3,'BILL2016_003','大豆油','食品-食用油','斤','300.00','5890.00',2,1,'2014-12-14 13:02:03',NULL,NULL,6),(4,'BILL2016_004','橄榄油','食品-进口食用油','斤','200.00','9800.00',2,1,'2013-10-10 03:12:13',NULL,NULL,7),(5,'BILL2016_005','洗洁精','日用品-厨房清洁','瓶','500.00','7000.00',2,1,'2014-12-14 13:02:03',NULL,NULL,9),(6,'BILL2016_006','美国大杏仁','食品-坚果','袋','300.00','5000.00',2,1,'2016-04-14 06:08:09',NULL,NULL,4),(7,'BILL2016_007','沐浴液、精油','日用品-沐浴类','瓶','500.00','23000.00',1,1,'2016-07-22 10:10:22',NULL,NULL,14),(8,'BILL2016_008','不锈钢盘碗','日用品-厨房用具','个','600.00','6000.00',2,1,'2016-04-14 05:12:13',NULL,NULL,14),(9,'BILL2016_009','塑料杯','日用品-杯子','个','350.00','1750.00',2,1,'2016-02-04 11:40:20',NULL,NULL,14),(10,'BILL2016_010','豆瓣酱','食品-调料','瓶','200.00','2000.00',2,1,'2013-10-29 05:07:03',NULL,NULL,8),(11,'BILL2016_011','海之蓝','饮料-国酒','瓶','50.00','10000.00',1,1,'2016-04-14 16:16:00',NULL,NULL,1),(12,'BILL2016_012','芝华士','饮料-洋酒','瓶','20.00','6000.00',1,1,'2016-09-09 17:00:00',NULL,NULL,1),(13,'BILL2016_013','长城红葡萄酒','饮料-红酒','瓶','60.00','800.00',2,1,'2016-11-14 15:23:00',NULL,NULL,1),(14,'BILL2016_014','泰国香米','食品-大米','斤','400.00','5000.00',2,1,'2016-10-09 15:20:00',NULL,NULL,3),(15,'BILL2016_015','东北大米','食品-大米','斤','600.00','4000.00',2,1,'2016-11-14 14:00:00',NULL,NULL,3),(16,'BILL2016_016','可口可乐','饮料','瓶','2000.00','6000.00',2,1,'2012-03-27 13:03:01',NULL,NULL,2),(17,'BILL2016_017','脉动','饮料','瓶','1500.00','4500.00',2,1,'2016-05-10 12:00:00',NULL,NULL,2),(18,'BILL2016_018','哇哈哈','饮料','瓶','2000.00','4000.00',2,1,'2015-11-24 15:12:03',NULL,NULL,2);
 66 
 67 /*Table structure for table `smbms_provider` */
 68 
 69 DROP TABLE IF EXISTS `smbms_provider`;
 70 
 71 CREATE TABLE `smbms_provider` (
 72   `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键ID',
 73   `proCode` varchar(20) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '供应商编码',
 74   `proName` varchar(20) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '供应商名称',
 75   `proDesc` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '供应商详细描述',
 76   `proContact` varchar(20) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '供应商联系人',
 77   `proPhone` varchar(20) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '联系电话',
 78   `proAddress` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '地址',
 79   `proFax` varchar(20) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '传真',
 80   `createdBy` bigint(20) DEFAULT NULL COMMENT '创建者（userId）',
 81   `creationDate` datetime DEFAULT NULL COMMENT '创建时间',
 82   `modifyDate` datetime DEFAULT NULL COMMENT '更新时间',
 83   `modifyBy` bigint(20) DEFAULT NULL COMMENT '更新者（userId）',
 84   PRIMARY KEY (`id`)
 85 ) ENGINE=InnoDB AUTO_INCREMENT=16 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
 86 
 87 /*Data for the table `smbms_provider` */
 88 
 89 insert  into `smbms_provider`(`id`,`proCode`,`proName`,`proDesc`,`proContact`,`proPhone`,`proAddress`,`proFax`,`createdBy`,`creationDate`,`modifyDate`,`modifyBy`) values (1,'BJ_GYS001','北京三木堂商贸有限公司','长期合作伙伴，主营产品:茅台、五粮液、郎酒、酒鬼酒、泸州老窖、赖茅酒、法国红酒等','张国强','13566667777','北京市丰台区育芳园北路','010-58858787',1,'2013-03-21 16:52:07',NULL,NULL),(2,'HB_GYS001','石家庄帅益食品贸易有限公司','长期合作伙伴，主营产品:饮料、水饮料、植物蛋白饮料、休闲食品、果汁饮料、功能饮料等','王军','13309094212','河北省石家庄新华区','0311-67738876',1,'2016-04-13 04:20:40',NULL,NULL),(3,'GZ_GYS001','深圳市泰香米业有限公司','初次合作伙伴，主营产品：良记金轮米,龙轮香米等','郑程瀚','13402013312','广东省深圳市福田区深南大道6006华丰大厦','0755-67776212',1,'2014-03-21 16:56:07',NULL,NULL),(4,'GZ_GYS002','深圳市喜来客商贸有限公司','长期合作伙伴，主营产品：坚果炒货.果脯蜜饯.天然花茶.营养豆豆.特色美食.进口食品.海味零食.肉脯肉','林妮','18599897645','广东省深圳市福龙工业区B2栋3楼西','0755-67772341',1,'2013-03-22 16:52:07',NULL,NULL),(5,'JS_GYS001','兴化佳美调味品厂','长期合作伙伴，主营产品：天然香辛料、鸡精、复合调味料','徐国洋','13754444221','江苏省兴化市林湖工业区','0523-21299098',1,'2015-11-22 16:52:07',NULL,NULL),(6,'BJ_GYS002','北京纳福尔食用油有限公司','长期合作伙伴，主营产品：山茶油、大豆油、花生油、橄榄油等','马莺','13422235678','北京市朝阳区珠江帝景1号楼','010-588634233',1,'2012-03-21 17:52:07',NULL,NULL),(7,'BJ_GYS003','北京国粮食用油有限公司','初次合作伙伴，主营产品：花生油、大豆油、小磨油等','王驰','13344441135','北京大兴青云店开发区','010-588134111',1,'2016-04-13 00:00:00',NULL,NULL),(8,'ZJ_GYS001','慈溪市广和绿色食品厂','长期合作伙伴，主营产品：豆瓣酱、黄豆酱、甜面酱，辣椒，大蒜等农产品','薛圣丹','18099953223','浙江省宁波市慈溪周巷小安村','0574-34449090',1,'2013-11-21 06:02:07',NULL,NULL),(9,'GX_GYS001','优百商贸有限公司','长期合作伙伴，主营产品：日化产品','李立国','13323566543','广西南宁市秀厢大道42-1号','0771-98861134',1,'2013-03-21 19:52:07',NULL,NULL),(10,'JS_GYS002','南京火头军信息技术有限公司','长期合作伙伴，主营产品：不锈钢厨具等','陈女士','13098992113','江苏省南京市浦口区浦口大道1号新城总部大厦A座903室','025-86223345',1,'2013-03-25 16:52:07',NULL,NULL),(11,'GZ_GYS003','广州市白云区美星五金制品厂','长期合作伙伴，主营产品：海绵床垫、坐垫、靠垫、海绵枕头、头枕等','梁天','13562276775','广州市白云区钟落潭镇福龙路20号','020-85542231',1,'2016-12-21 06:12:17',NULL,NULL),(12,'BJ_GYS004','北京隆盛日化科技','长期合作伙伴，主营产品：日化环保清洗剂，家居洗涤专卖、洗涤用品网、墙体除霉剂、墙面霉菌清除剂等','孙欣','13689865678','北京市大兴区旧宫','010-35576786',1,'2014-11-21 12:51:11',NULL,NULL),(13,'SD_GYS001','山东豪克华光联合发展有限公司','长期合作伙伴，主营产品：洗衣皂、洗衣粉、洗衣液、洗洁精、消杀类、香皂等','吴洪转','13245468787','山东济阳济北工业区仁和街21号','0531-53362445',1,'2015-01-28 10:52:07',NULL,NULL),(14,'JS_GYS003','无锡喜源坤商行','长期合作伙伴，主营产品：日化品批销','周一清','18567674532','江苏无锡盛岸西路','0510-32274422',1,'2016-04-23 11:11:11',NULL,NULL),(15,'ZJ_GYS002','乐摆日用品厂','长期合作伙伴，主营产品：各种中、高档塑料杯，塑料乐扣水杯（密封杯）、保鲜杯（保鲜盒）、广告杯、礼品杯','王世杰','13212331567','浙江省金华市义乌市义东路','0579-34452321',1,'2016-08-22 10:01:30',NULL,NULL);
 90 
 91 /*Table structure for table `smbms_role` */
 92 
 93 DROP TABLE IF EXISTS `smbms_role`;
 94 
 95 CREATE TABLE `smbms_role` (
 96   `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键ID',
 97   `roleCode` varchar(15) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '角色编码',
 98   `roleName` varchar(15) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '角色名称',
 99   `createdBy` bigint(20) DEFAULT NULL COMMENT '创建者',
100   `creationDate` datetime DEFAULT NULL COMMENT '创建时间',
101   `modifyBy` bigint(20) DEFAULT NULL COMMENT '修改者',
102   `modifyDate` datetime DEFAULT NULL COMMENT '修改时间',
103   PRIMARY KEY (`id`)
104 ) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
105 
106 /*Data for the table `smbms_role` */
107 
108 insert  into `smbms_role`(`id`,`roleCode`,`roleName`,`createdBy`,`creationDate`,`modifyBy`,`modifyDate`) values (1,'SMBMS_ADMIN','系统管理员',1,'2016-04-13 00:00:00',NULL,NULL),(2,'SMBMS_MANAGER','经理',1,'2016-04-13 00:00:00',NULL,NULL),(3,'SMBMS_EMPLOYEE','普通员工',1,'2016-04-13 00:00:00',NULL,NULL);
109 
110 /*Table structure for table `smbms_user` */
111 
112 DROP TABLE IF EXISTS `smbms_user`;
113 
114 CREATE TABLE `smbms_user` (
115   `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键ID',
116   `userCode` varchar(15) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '用户编码',
117   `userName` varchar(15) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '用户名称',
118   `userPassword` varchar(15) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '用户密码',
119   `gender` int(10) DEFAULT NULL COMMENT '性别（1:女、 2:男）',
120   `birthday` date DEFAULT NULL COMMENT '出生日期',
121   `phone` varchar(15) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '手机',
122   `address` varchar(30) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '地址',
123   `userRole` bigint(20) DEFAULT NULL COMMENT '用户角色（取自角色表-角色id）',
124   `createdBy` bigint(20) DEFAULT NULL COMMENT '创建者（userId）',
125   `creationDate` datetime DEFAULT NULL COMMENT '创建时间',
126   `modifyBy` bigint(20) DEFAULT NULL COMMENT '更新者（userId）',
127   `modifyDate` datetime DEFAULT NULL COMMENT '更新时间',
128   PRIMARY KEY (`id`)
129 ) ENGINE=InnoDB AUTO_INCREMENT=16 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
130 
131 /*Data for the table `smbms_user` */
132 
133 insert  into `smbms_user`(`id`,`userCode`,`userName`,`userPassword`,`gender`,`birthday`,`phone`,`address`,`userRole`,`createdBy`,`creationDate`,`modifyBy`,`modifyDate`) values (1,'admin','系统管理员','1234567',1,'1983-10-10','13688889999','北京市海淀区成府路207号',1,1,'2013-03-21 16:52:07',NULL,NULL),(2,'liming','李明','0000000',2,'1983-12-10','13688884457','北京市东城区前门东大街9号',2,1,'2014-12-31 19:52:09',NULL,NULL),(5,'hanlubiao','韩路彪','0000000',2,'1984-06-05','18567542321','北京市朝阳区北辰中心12号',2,1,'2014-12-31 19:52:09',NULL,NULL),(6,'zhanghua','张华','0000000',1,'1983-06-15','13544561111','北京市海淀区学院路61号',3,1,'2013-02-11 10:51:17',NULL,NULL),(7,'wangyang','王洋','0000000',2,'1982-12-31','13444561124','北京市海淀区西二旗辉煌国际16层',3,1,'2014-06-11 19:09:07',NULL,NULL),(8,'zhaoyan','赵燕','0000000',1,'1986-03-07','18098764545','北京市海淀区回龙观小区10号楼',3,1,'2016-04-21 13:54:07',NULL,NULL),(10,'sunlei','孙磊','0000000',2,'1981-01-04','13387676765','北京市朝阳区管庄新月小区12楼',3,1,'2015-05-06 10:52:07',NULL,NULL),(11,'sunxing','孙兴','0000000',2,'1978-03-12','13367890900','北京市朝阳区建国门南大街10号',3,1,'2016-11-09 16:51:17',NULL,NULL),(12,'zhangchen','张晨','0000000',1,'1986-03-28','18098765434','朝阳区管庄路口北柏林爱乐三期13号楼',3,1,'2016-08-09 05:52:37',1,'2016-04-14 14:15:36'),(13,'dengchao','邓超','0000000',2,'1981-11-04','13689674534','北京市海淀区北航家属院10号楼',3,1,'2016-07-11 08:02:47',NULL,NULL),(14,'yangguo','杨过','0000000',2,'1980-01-01','13388886623','北京市朝阳区北苑家园茉莉园20号楼',3,1,'2015-02-01 03:52:07',NULL,NULL),(15,'zhaomin','赵敏','0000000',1,'1987-12-04','18099897657','北京市昌平区天通苑3区12号楼',2,1,'2015-09-12 12:02:12',NULL,NULL);
134 
135 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
136 /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
137 /*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
138 /*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;

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6.实体类User.java

  1 package com.wt.pojo;
  2 
  3 import java.util.Date;
  4 
  5 public class User {
  6     private Integer id; //id 
  7     private String userCode; //用户编码
  8     private String userName; //用户名称
  9     private String userPassword; //用户密码
 10     private Integer gender;  //性别
 11     private Date birthday;  //出生日期
 12     private String phone;   //电话
 13     private String address; //地址
 14     private Integer userRole;    //用户角色
 15     private Integer createdBy;   //创建者
 16     private Date creationDate; //创建时间
 17     private Integer modifyBy;     //更新者
 18     private Date modifyDate;   //更新时间
 19     public User() {
 20         // TODO Auto-generated constructor stub
 21     }
 22     public User(Integer id, String userCode, String userName, String userPassword, Integer gender, Date birthday,
 23             String phone, String address, Integer userRole, Integer createdBy, Date creationDate, Integer modifyBy,
 24             Date modifyDate) {
 25         super();
 26         this.id = id;
 27         this.userCode = userCode;
 28         this.userName = userName;
 29         this.userPassword = userPassword;
 30         this.gender = gender;
 31         this.birthday = birthday;
 32         this.phone = phone;
 33         this.address = address;
 34         this.userRole = userRole;
 35         this.createdBy = createdBy;
 36         this.creationDate = creationDate;
 37         this.modifyBy = modifyBy;
 38         this.modifyDate = modifyDate;
 39     }
 40     public User(String userCode, String userName, String userPassword, Integer gender, Date birthday, String phone,
 41             String address, Integer userRole, Integer createdBy, Date creationDate, Integer modifyBy, Date modifyDate) {
 42         super();
 43         this.userCode = userCode;
 44         this.userName = userName;
 45         this.userPassword = userPassword;
 46         this.gender = gender;
 47         this.birthday = birthday;
 48         this.phone = phone;
 49         this.address = address;
 50         this.userRole = userRole;
 51         this.createdBy = createdBy;
 52         this.creationDate = creationDate;
 53         this.modifyBy = modifyBy;
 54         this.modifyDate = modifyDate;
 55     }
 56     public Integer getId() {
 57         return id;
 58     }
 59     public void setId(Integer id) {
 60         this.id = id;
 61     }
 62     public String getUserCode() {
 63         return userCode;
 64     }
 65     public void setUserCode(String userCode) {
 66         this.userCode = userCode;
 67     }
 68     public String getUserName() {
 69         return userName;
 70     }
 71     public void setUserName(String userName) {
 72         this.userName = userName;
 73     }
 74     public String getUserPassword() {
 75         return userPassword;
 76     }
 77     public void setUserPassword(String userPassword) {
 78         this.userPassword = userPassword;
 79     }
 80     public Integer getGender() {
 81         return gender;
 82     }
 83     public void setGender(Integer gender) {
 84         this.gender = gender;
 85     }
 86     public Date getBirthday() {
 87         return birthday;
 88     }
 89     public void setBirthday(Date birthday) {
 90         this.birthday = birthday;
 91     }
 92     public String getPhone() {
 93         return phone;
 94     }
 95     public void setPhone(String phone) {
 96         this.phone = phone;
 97     }
 98     public String getAddress() {
 99         return address;
100     }
101     public void setAddress(String address) {
102         this.address = address;
103     }
104     public Integer getUserRole() {
105         return userRole;
106     }
107     public void setUserRole(Integer userRole) {
108         this.userRole = userRole;
109     }
110     public Integer getCreatedBy() {
111         return createdBy;
112     }
113     public void setCreatedBy(Integer createdBy) {
114         this.createdBy = createdBy;
115     }
116     public Date getCreationDate() {
117         return creationDate;
118     }
119     public void setCreationDate(Date creationDate) {
120         this.creationDate = creationDate;
121     }
122     public Integer getModifyBy() {
123         return modifyBy;
124     }
125     public void setModifyBy(Integer modifyBy) {
126         this.modifyBy = modifyBy;
127     }
128     public Date getModifyDate() {
129         return modifyDate;
130     }
131     public void setModifyDate(Date modifyDate) {
132         this.modifyDate = modifyDate;
133     }
134     @Override
135     public String toString() {
136         return "User [id=" + id + ", userCode=" + userCode + ", userName=" + userName + ", userPassword=" + userPassword
137                 + ", gender=" + gender + ", birthday=" + birthday + ", phone=" + phone + ", address=" + address
138                 + ", userRole=" + userRole + ", createdBy=" + createdBy + ", creationDate=" + creationDate
139                 + ", modifyBy=" + modifyBy + ", modifyDate=" + modifyDate + "]";
140     }
141     
142 }

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7.log4j.properties文件，不做详解（在mybatis-config.xml引用）

 1 log4j.rootLogger=DEBUG,CONSOLE,file
 2 #log4j.rootLogger=ERROR,ROLLING_FILE
 3 log4j.logger.cn.smbms.dao=debug
 4 log4j.logger.com.ibatis=debug 
 5 log4j.logger.com.ibatis.common.jdbc.SimpleDataSource=debug 
 6 log4j.logger.com.ibatis.common.jdbc.ScriptRunner=debug 
 7 log4j.logger.com.ibatis.sqlmap.engine.impl.SqlMapClientDelegate=debug 
 8 log4j.logger.java.sql.Connection=debug 
 9 log4j.logger.java.sql.Statement=debug 
10 log4j.logger.java.sql.PreparedStatement=debug 
11 log4j.logger.java.sql.ResultSet=debug 
12 log4j.logger.org.tuckey.web.filters.urlrewrite.UrlRewriteFilter=debug
13 
14 ######################################################################################
15 # Console Appender  \u65e5\u5fd7\u5728\u63a7\u5236\u8f93\u51fa\u914d\u7f6e
16 ######################################################################################
17 log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
18 log4j.appender.Threshold=error
19 log4j.appender.CONSOLE.Target=System.out
20 log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
21 log4j.appender.CONSOLE.layout.ConversionPattern= [%p] %d %c - %m%n
22 
23 
24 ######################################################################################
25 # DailyRolling File  \u6bcf\u5929\u4ea7\u751f\u4e00\u4e2a\u65e5\u5fd7\u6587\u4ef6\uff0c\u6587\u4ef6\u540d\u683c\u5f0f:log2009-09-11
26 ######################################################################################
27 log4j.appender.file=org.apache.log4j.DailyRollingFileAppender
28 log4j.appender.file.DatePattern=yyyy-MM-dd
29 log4j.appender.file.File=log.log
30 log4j.appender.file.Append=true
31 log4j.appender.file.Threshold=error
32 log4j.appender.file.layout=org.apache.log4j.PatternLayout
33 log4j.appender.file.layout.ConversionPattern=%d{yyyy-M-d HH:mm:ss}%x[%5p](%F:%L) %m%n
34 
35 
36 log4j.logger.com.opensymphony.xwork2=error

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8.database.properties数据库配置（在mybatis-config.xml引用）

1 driver=com.mysql.jdbc.Driver
2 url=jdbc:mysql://127.0.0.1:3306/smbms?useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull
3 user=root
4 password=root

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9.测试Demo

 1 public class Demo {
 2     @Test
 3     public void QueryCount() {
 4         SqlSession sqlSession = null;
 5         try {
 6               //加载核心配置文件
 7             InputStream is = Resources.getResourceAsStream("mybatis-config.xml");
 8              //创建SqlSessionFactory
 9             SqlSessionFactory build = new SqlSessionFactoryBuilder().build(is);
10             //创建SqlSession
11             sqlSession = build.openSession();
12             //执行Sql语句 
13             //第一种 直接调用映射器语句id
14             List<User> selectOne = sqlSession.selectList("com.wt.dao.UserMapper.getUserList");            
15             int count = sqlSession.selectOne("com.wt.dao.UserMapper.count");
16             //第二种 调用接口UserMapper,方法跟映射器里的查询语句id一样
17             List<User> list=sqlSession.getMapper(UserMapper.class).getUserList();
18 
19             System.out.println(list);
20         } catch(Exception e){
21             e.printStackTrace();
22         }finally{
23             sqlSession.close();
24         }
25         
26     }

View Code

10.第二种执行sql语句的接口类

 1 package com.wt.dao;
 2 
 3 import java.util.List;
 4 
 5 import com.wt.pojo.User;
 6 
 7 
 8 public interface UserMapper {
 9     /**
10      * 查询用户表记录数
11      * @return
12      */
13     public int count();
14     /**
15      * 查询用户列表
16      * @return
17      */
18     public List<User> getUserList();
19     
20 }

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11.封装重复代码集成工具类

 1  package com.wt.utils;
 2 
 3 import java.io.IOException;
 4 import java.io.InputStream;
 5 import org.apache.ibatis.io.Resources;
 6 import org.apache.ibatis.session.SqlSession;
 7 import org.apache.ibatis.session.SqlSessionFactory;
 8 import org.apache.ibatis.session.SqlSessionFactoryBuilder;
 9 
10 public class MyBatisUtil {
11     private static SqlSessionFactory factory;
12     
13     static{//在静态代码块下，factory只会被创建一次
14         System.out.println("static factory===============");
15         try {
16             //两种方法读取配置文件
17             //InputStream is = Resources.getResourceAsStream("mybatis-config.xml");
18             InputStream is = MyBatisUtil.class.getClassLoader().getResourceAsStream("mybatis-config.xml");
19             factory = new SqlSessionFactoryBuilder().build(is);
20         //} catch (IOException e) {
21         } catch (Exception e) {
22             e.printStackTrace();
23         } 
24     }
25     
26     public static SqlSession createSqlSession(){
27         return factory.openSession(false);//true 为自动提交事务
28     }
29     
30     public static void closeSqlSession(SqlSession sqlSession){
31         if(null != sqlSession) 
32             sqlSession.close();
33     }
34 }

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12.增删查改测试

 1 //查询用户名
 2     @Test
 3     public void t1(){
 4         SqlSession sqlSession=MyBatisUtil.createSqlSession();
 5         List<User> list=sqlSession.selectList("com.wt.dao.UserMapper.getUser");
 6         for(User name:list){
 7         System.out.println(name.getUserName());
 8         }
 9     } 
10     @Test
11     public void insert(){
12         SqlSession sqlSession=MyBatisUtil.createSqlSession();
13         User user=new User("wt","123","456",null,null,null,null,null,null,null,null,null);
14         int count = sqlSession.insert("com.wt.dao.UserMapper.addUser",user);
15         sqlSession.commit();
16         System.out.println("插入了"+count+"条数据");
17         System.out.println("回填的主键是"+user.getId());
18         MyBatisUtil.closeSqlSession(sqlSession);
19     }
20     @Test
21     public void update(){
22         SqlSession sqlSession=MyBatisUtil.createSqlSession();
23         User user=new User(16,"zl","456","123",null,null,null,null,null,null,null,null,null);
24         int count=sqlSession.update("com.wt.dao.UserMapper.updateUser",user);
25         sqlSession.commit();
26         System.out.println("更新了"+count+"数据");
27         MyBatisUtil.closeSqlSession(sqlSession);
28     }
29     @Test
30     public void delete(){
31         SqlSession sqlSession=MyBatisUtil.createSqlSession();
32         int count =sqlSession.delete("com.wt.dao.UserMapper.deleteUser",17);
33         sqlSession.commit();
34         System.out.println("删除了"+count+"条数据");
35         MyBatisUtil.closeSqlSession(sqlSession);
36     }
37     //模糊查询
38     @Test
39     public void like(){
40         SqlSession sqlSession=MyBatisUtil.createSqlSession();
41         List<User> list=sqlSession.selectList("com.wt.dao.UserMapper.findUserByUsername","孙");
42         System.out.println(list);
43     }

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