MyBatis核心文件

文件约束头
<?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>
    <!--加载数据库属性文件-->
    <properties resource="jdbc.properties"></properties>
    <!--自定义别名-->
    <typeAliases>
        <typeAlias type="com.wjw.domain.User" alias="User"></typeAlias>
        <typeAlias type="com.wjw.domain.book" alias="book"></typeAlias>
    </typeAliases>
    <!--数据源配置-->
    <environments default="development">
        <environment id="development">
            <transactionManager type="JDBC"></transactionManager> #采用JDBC进行事务管理
            <dataSource type="POOLED"> #数据库连接池
                <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>
    <!--加载映射文件-->
    <mappers>
        <mapper resource="com/wjw/mapper/UserMapper.xml"></mapper>
        <mapper resource="com/wjw/mapper/BookMapper.xml"></mapper>
    </mappers>
</configuration>