Mybatis中的映射文件

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<!--1.namespace是mybaits映射文件的唯一标识,与接口对应-->
<mapper namespace="com.xxx.xxx.xx">


</mapper>