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src/main/resources/mapper/CouponMapper.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.ycwl.basic.mapper.CouponMapper">
+    <update id="updateStatus">
+        UPDATE coupon
+        SET status = IF(status = 1, 0, 1)
+        WHERE id = #{id}
+    </update>
+    <select id="selectByQuery" resultType="com.ycwl.basic.model.pc.coupon.resp.CouponRespVO">
+        SELECT
+        c.id, scenic_id AS scenicId, s.name as scenicName,
+        c.name AS name,
+        config_ids AS configIds, discount_price AS discountPrice,
+        type, discount_type AS discountType,
+        c.status, c.create_at
+        FROM coupon c
+        LEFT JOIN scenic s ON c.scenic_id = s.id
+        <where>
+            <if test="scenicId != null">AND scenic_id = #{scenicId}</if>
+            <if test="name != null and name != ''">AND c.name = concat('%',#{name},'%')</if>
+            <if test="type != null">AND type = #{type}</if>
+            <if test="discountType != null">AND discount_type = #{discountType}</if>
+            <if test="status != null">AND c.status = #{status}</if>
+            <if test="createAtStart != null">AND create_time >= #{createAtStart}</if>
+            <if test="createAtEnd != null">AND create_time &lt;= #{createAtEnd}
+            </if>
+        </where>
+        ORDER BY create_time DESC
+    </select>
+</mapper>