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  • 增,删,改 的配置文件

    <?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">
    <!-- 写sql语句 -->
    <mapper namespace="jun">
    <!-- 通过id 查询一个用户 -->
    <select id="findUserById" parameterType="Integer" resultType="cn.lijin.mybatis.pojo.User">
    select * from user where id=#{lijun}
    </select>
    <!-- 根据用户名称模糊查询 -->
    <select id="findUserByUsername" parameterType="String" resultType="cn.lijin.mybatis.pojo.User">
    select * from user where username like "%"#{lijun}"%"
    </select>
    <!-- 添加用户 -->
    <insert id="inserUser" parameterType="cn.lijin.mybatis.pojo.User">
    insert into user(username,birthday,address,sex) values (#{username},#{birthday},#{address},#{sex})
    </insert>
    <!-- 更新操 -->
    <update id="lijun666" parameterType="cn.lijin.mybatis.pojo.User">
    update user
    set username= #{username},sex= #{sex},birthday= #{birthday},address= #{address}
    where id=#{id}
    </update>
    <!-- 删除掉 -->
    <delete id="deleteUser" parameterType="Integer">
    delete from user
    where id= #{jun}
    </delete>
    </mapper>

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  • 原文地址:https://www.cnblogs.com/yanglin666/p/10591291.html
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