SqlMapConfig.xml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">
<configuration>
    <!--配置properties-->
<!--    <properties>
        <property name="driver" value="com.mysql.jdbc.Driver"></property>
        <property name="url" value="jdbc:mysql://localhost:3306/eesy_mybatis"></property>
        <property name="username" value="root"></property>
        <property name="password" value="1234"></property>
    </properties>-->
    <!--配置环境-->
    <environments default="mysql">
        <!-- 配置mysql的环境-->
        <environment id="mysql">
            <!-- 配置事务 -->
            <transactionManager type="JDBC"/>

            <!--配置连接池-->
            <dataSource type="POOLED">
                <!--       <property name="driver" value="${driver}"></property>
                       <property name="url" value="${url}"></property>
                       <property name="username" value="${username}"></property>
                       <property name="password" value="${password}"></property>-->
                <property name="driver" value="com.mysql.jdbc.Driver"/>
                <property name="url" value="jdbc:mysql://192.168.127.134:3306/ssm"/>
                <property name="username" value="root"/>
                <property name="password" value="root123"/>
            </dataSource>
        </environment>
    </environments>
    <!-- 配置映射文件的位置 -->
    <mappers>
        <!--        <mapper class="com.xl.dao.AccountDao"/>-->
        <package name="com.xl.dao"/>
    </mappers>
</configuration>