【新增】反馈管理

src/main/resources/mapper/FeedbackMapper.xml

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+<?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.corewing.app.mapper.FeedbackMapper">
+
+    <!-- 结果映射 -->
+    <resultMap id="VOResultMap" type="com.corewing.app.entity.Feedback">
+        <id column="id" property="id"/>
+        <result column="feedback_type" property="feedbackType"/>
+        <result column="title" property="title"/>
+        <result column="content" property="content"/>
+        <result column="contact" property="contact"/>
+        <result column="status" property="status"/>
+        <result column="nick_name" property="nickName"/>
+        <result column="username" property="username"/>
+        <result column="create_time" property="createTime"/>
+        <result column="update_time" property="updateTime"/>
+    </resultMap>
+
+    <!-- 基础查询SQL片段 -->
+    <sql id="selectVOSql">
+        select f.*,u.nick_name, u.username
+            from app_feedback f
+        left join app_user u on f.user_id = u.id
+    </sql>
+
+    <!-- 分页查询 -->
+    <select id="page" resultMap="VOResultMap">
+        <include refid="selectVOSql"/>
+        <where>
+            <if test="feedback.status != null">
+                AND f.status = #{feedback.status}
+            </if>
+            <if test="feedback.title != null and feedback.title != ''">
+                AND f.title like CONCAT('%', #{feedback.title}, '%')
+            </if>
+            <if test="feedback.feedbackType != null and feedback.feedbackType != ''">
+                AND f.feedbackType like CONCAT('%', #{feedback.feedbackType}, '%')
+            </if>
+        </where>
+    </select>
+
+</mapper>