src/main/resources/mapper/ComplainMapper.xml

<?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">

<mapper namespace="com.pt5.pthouduan.mapper.ComplainMapper">

    <!-- 插入投诉 -->
    <insert id="save" parameterType="com.pt5.pthouduan.entity.Complain" useGeneratedKeys="true" keyProperty="complainid">
        INSERT INTO complain (puse, duser, content, torrentid)
        VALUES (#{puse}, #{duser}, #{content}, #{torrentid})
    </insert>

    <!-- 根据投诉ID删除投诉 -->
    <delete id="deleteByComplainid" parameterType="int">
        DELETE FROM complain WHERE complainid = #{complainid}
    </delete>

    <!-- 更新投诉 -->
    <update id="updateComplain" parameterType="com.pt5.pthouduan.entity.Complain">
        UPDATE complain
        SET puse = #{puse},
            duser = #{duser},
            content = #{content},
            torrentid = #{torrentid}
        WHERE complainid = #{complainid}
    </update>

    <!-- 根据被投诉用户ID查询投诉列表 -->
    <select id="selectByDuser" parameterType="long" resultType="com.pt5.pthouduan.entity.Complain">
        SELECT * FROM complain
        WHERE duser = #{duser}
        ORDER BY complainid DESC
    </select>

    <!-- 根据投诉发起人ID查询投诉列表 -->
    <select id="selectByPuse" parameterType="long" resultType="com.pt5.pthouduan.entity.Complain">
        SELECT * FROM complain
        WHERE puse = #{puse}
        ORDER BY complainid DESC
    </select>

    <!-- ✅ 获取所有投诉记录 -->
    <select id="selectAllComplains" resultType="com.pt5.pthouduan.entity.Complain">
        SELECT * FROM complain
        ORDER BY complainid DESC
    </select>

    <!-- ✅ 根据投诉ID查询投诉详情 -->
    <select id="selectByComplainId" parameterType="int" resultType="com.pt5.pthouduan.entity.Complain">
        SELECT * FROM complain
        WHERE complainid = #{complainid}
    </select>

</mapper>