<?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>
    <!--引入外部配置文件-->
    <properties resource="db.properties" />
    <!--顺序错了也是报错的-->
    <settings>
        <setting name="logImpl" value="STDOUT_LOGGING"/>
    </settings>
    <!--别名-->
    <typeAliases>
<!--        <typeAlias type="com.xuwen.pojo.User" alias="User" />-->
        <package name="com.xuwen.pojo"/>
    </typeAliases>
    <!--核心配置文件-->
    <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>
    <!--每一个Mapper.xml都需要在Mybatis核心配置文件中注册！！！-->
    <mappers>
        <mapper resource="com/xuwen/dao/UserMapper.xml"/>
    </mappers>
</configuration>