Mybatis常用配置文件

Posted 2022-09-01 jack-zhou21235

Mapper.xml 、 sqlMapConfig.xml 约束头信息。

 

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">

sqlMapConfig.xml 配置信息

<?xml version="1.0" encoding="UTF-8" ?>
         <!DOCTYPE configuration
         PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>

    <!-- 加载属性文件 -->
     <properties resource="db.properties"/>

     <!-- 配置别名 -->
    <typeAliases>
       <typeAlias type="com.xxx.pojo.User" alias="User"></typeAlias>
    </typeAliases>

    <environments default="dev">
        <environment id="dev">
            <transactionManager type="JDBC"></transactionManager>
            <dataSource type="pooled">
                <property name="driver" value="$jdbc.driver" />
                <property name="url" value="$jdbc.url" />
                <property name="username" value="$jdbc.username" />
                <property name="password" value="$jdbc.password" />
            </dataSource>
        </environment>
    </environments>

    <mappers>
        <mapper resource="mappers/UserMapper.xml"/>
    </mappers>
    
</configuration>

 

db.properties.xml 配置信息

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/userdb
jdbc.username=root
jdbc.password=root