单独使用Mybatis的配置文件

<?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>
    <environments default="development">
        <environment id="development">
            <transactionManager type="JDBC" />
            <!-- 配置数据库连接信息 -->
            <dataSource type="POOLED">
                <property name="driver" value="com.mysql.jdbc.Driver" />
                <property name="url" value="jdbc:mysql://localhost:3306/appproject" />
                <property name="username" value="root" />
                <property name="password" value="12345678" />
             
            </dataSource>
        </environment>
    </environments>
     <mappers>
        <!-- 注册userMapper.xml文件， 
        userMapper.xml位于me.gacl.mapping这个包下，所以resource写成me/gacl/mapping/userMapper.xml-->
        <!-- <mapper resource="mappers/user.xml"/> -->
        <mapper resource="mappers/client.xml"/>
        <mapper resource="mappers/licence.xml"/>
         
    </mappers>
</configuration>