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src/main/resources/mapper/activity/ActivityDao.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.sqx.modules.banner.dao.ActivityDao">
+
+
+    <select id="selectByState" resultType="com.sqx.modules.activity.entity.Activity">
+        select * from activity where state=#{state} order by id desc
+    </select>
+
+
+    <select id="selectByOrder" resultType="com.sqx.modules.activity.vo.ActivityOrderVO">
+        select id,title from activity
+        where id = (select activity_id from activity_part_record where 1=1
+        <if test="orderId != null and orderId != ''">
+        and order_id = ${orderId}
+        </if>
+        ) and del_flag = 0
+    </select>
+
+</mapper>