mybatis环境搭建和开发步骤

环境搭建

第一步：导入jar包

mybatis环境搭建和开发步骤

第二步：导入核心配置文件（mybatis-config.xml）

 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 <configuration>
 7     <settings>
 8         <!-- 表示使用log4j来处理日志 -->
 9         <setting name="logImpl" value="LOG4J"/>
10     </settings>
11     
12     <!-- 环境变量 连接数据库的信息 -->
13     <environments default="dev">
14         <environment id="dev">
15             <transactionManager type="JDBC"></transactionManager>
16             <dataSource type="POOLED">
17                 <property name="url" value="jdbc:mysql://127.0.0.1:3306/smbms?zeroDateTimeBehavior=convertToNull"/>
18                 <property name="driver" value="com.mysql.jdbc.Driver"/>
19                 <property name="username" value="root"/>
20                 <property name="password" value="199808025"/>
21             </dataSource>
22         </environment>
23     </environments>
24     
25     <!-- 注册Mapper（映射）文件 -->
26     <mappers>
27         <mapper resource="com/smbms/dao/UserMapper.xml"/>
28         <mapper resource="com/smbms/dao/ProviderMapper.xml"/>
29         <mapper resource="com/smbms/dao/AddressMapper.xml"/>
30         <mapper resource="com/smbms/dao/BillMapper.xml"/>
31         <mapper resource="com/smbms/dao/RoleMapper.xml"/>
32     </mappers>
33     
34 </configuration>

mybatis-config.xml