MyBatis配置文件解析

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映射配置：

<?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">  <!-- namespace命名空间，防止sql语句的id重名 -->  <!-- paramterType指sql语句参数类型 -->  <!-- resultType指结果类型 -->  <mapper namespace="entity.userMapper"><select id="selectUser" resultType="entity.User">select * from user whereid=#{id}</select><!-- resultType返回值结果类型 --><!-- <insert id="addUser" resultType="int"> --><!-- 提交参数类型：paramterType="entity.User" --><insert id="addUser" parameterType="entity.User"><!-- name,pwd一定是传进来参数的属性 -->insert into user(name,pwd,id) values(#{name},#{pwd},#{id});</insert><select id="selectUserPwd" resultType="entity.User">select * from user wherepwd=#{pwd}</select><update id="updateUser" parameterType="entity.User">update user set name=#{name},pwd=#{pwd} where id=#{id}</update><delete id="deleteUser" >delete from user where id=#{id}</delete></mapper>

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