ADD file via upload

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

@@ -0,0 +1,43 @@
+<?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.PackMapper">
+    <select id="packList" resultType="com.example.flower.entity.Pack">
+        select *
+        from flower.pack
+    </select>
+    <select id="packListByQuery" resultType="com.example.flower.entity.Pack">
+        select *
+        from flower.pack
+        <where>
+            <if test="pack_name != null and pack_name != '' ">
+                and pack_name like concat('%',#{pack_name},'%')
+            </if>
+        </where>
+    </select>
+    <insert id="packAdd" useGeneratedKeys="true" keyProperty="pack_id" parameterType="com.example.flower.entity.Pack">
+        insert into flower.pack(pack_name, pack_price)
+            value (#{pack_name},#{pack_price})
+    </insert>
+    <delete id="packDeletePer">
+        delete
+        from flower.pack
+        where pack_id = #{pack_id}
+    </delete>
+    <delete id="packDeleteMul" parameterType="Integer">
+        delete from flower.pack where pack.pack_id in
+        <foreach collection="pack_ids" open="(" close=")" separator="," item="id">
+            #{id}
+        </foreach>
+    </delete>
+    <select id="packInfo" resultType="com.example.flower.entity.Pack">
+        select *
+        from flower.pack
+        where pack_id = #{pack_id}
+    </select>
+    <update id="packModify" parameterType="com.example.flower.entity.Pack">
+        update flower.pack
+        set pack_name=if(#{pack_name} is not null and #{pack_name} != '',#{pack_name},pack_name),
+            pack_price=#{pack_price}
+        where pack.pack_id = #{pack_id}
+    </update>
+</mapper>