ADD file via upload

flower_back/src/main/java/com/example/flower/mapper/xml/NoticeMapper.xml

@@ -0,0 +1,47 @@
+<?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.example.flower.mapper.NoticeMapper">
+    <select id="noticeList" resultType="com.example.flower.entity.Notice">
+        select *
+        from flower.notice
+        order by notice_time desc
+    </select>
+    <select id="noticeListByQuery" resultType="com.example.flower.entity.Notice">
+        select *
+        from flower.notice
+        <where>
+            <if test="notice_content != null and notice_content != '' ">
+                and notice_title like concat('%',#{notice_content},'%')
+                or notice_content like concat('%',#{notice_content},'%')
+            </if>
+        </where>
+        order by notice_time desc
+    </select>
+    <insert id="noticeAdd" useGeneratedKeys="true" keyProperty="notice_id" parameterType="com.example.flower.entity.Notice">
+        insert into flower.notice(notice_title,notice_content,notice_time)
+            value (#{notice_title},#{notice_content},#{notice_time})
+    </insert>
+    <delete id="noticeDeletePer">
+        delete
+        from flower.notice
+        where notice_id = #{notice_id}
+    </delete>
+    <delete id="noticeDeleteMul" parameterType="Integer">
+        delete from flower.notice where notice.notice_id in
+        <foreach collection="notice_ids" open="(" close=")" separator="," item="id">
+            #{id}
+        </foreach>
+    </delete>
+    <select id="noticeInfo" resultType="com.example.flower.entity.Notice">
+        select *
+        from flower.notice
+        where notice_id = #{notice_id}
+    </select>
+    <update id="noticeModify" parameterType="com.example.flower.entity.Notice">
+        update flower.notice
+        set notice_title=if(#{notice_title} is not null and #{notice_title} != '',#{notice_title},notice_title),
+            notice_content=if(#{notice_content} is not null and #{notice_content} != '',#{notice_content},notice_content),
+            notice_time=if(#{notice_time} is not null and #{notice_time} != '',#{notice_time},notice_time)
+        where notice.notice_id = #{notice_id}
+    </update>
+</mapper>