mybatis-config.xml核心配置文件

<?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">

    <!--核心配置文件-->
<configuration>
    
    <!--引入外部的配置文件-->
    <properties resource="db.properties"/>
    <settings>
        <!--<setting name="logImpl" value="STDOUT_LOGGING"/>-->
        <setting name="logImpl" value="LOG4J"/>
    </settings>


    <!--可以給實體類起別名-->
    <typeAliases>
        <package name="cn.qisui.pojo"/>
    </typeAliases>  
    
    <environments default="development">
        <environment id="development">
            <transactionManager type="JDBC"/>
            <dataSource type="POOLED">
                <property name="driver" value="${driver}"/>
                <property name="url" value="${url}"/>
                <property name="username" value="${username}"/>
                <property name="password" value="${password}"/>
            </dataSource>
        </environment>
    </environments>
    <!--註冊Mappers-->
    <mappers>
        <mapper resource="cn/qisui/dao/UserMapper.xml"/>    <!--這裏是你自己的xxx.xml的路徑-->
    </mappers>
</configuration>