From 91ecb403d106f554c82411e263d773164e838a35 Mon Sep 17 00:00:00 2001
From: p7ajvprf6 <1062535119@qq.com>
Date: Tue, 12 Oct 2021 10:06:34 +0800
Subject: [PATCH] ADD file via upload

---
 CampusMapper.xml | 85 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 CampusMapper.xml

diff --git a/CampusMapper.xml b/CampusMapper.xml
new file mode 100644
index 0000000..95046af
--- /dev/null
+++ b/CampusMapper.xml
@@ -0,0 +1,85 @@
+<?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.campus.mapper.CampusMapper">
+
+
+<!--用户信息-->
+<resultMap id="user_List" type="User">
+    <id column="username" property="username"/>
+    <result column="password" property="password"/>
+</resultMap>
+
+<!--查询用户-->
+<select id="userLogin" resultMap="user_List" parameterType="User">
+    select
+    *
+    from user where username = #{username} and password = #{password}
+    <!--where>
+        <if test="username != null"> and username = #{username}</if>
+        <if test="passwork != null"> and passwork = #{passwork}</if>
+    </where-->
+</select>
+
+
+<!--用户注册-->
+<insert id="newUser" parameterType="User">
+    insert into user value
+    (#{username},#{password})
+</insert>
+
+<!--用户密码更新-->
+<update id="userUpdate" parameterType="User">
+        update user set password = #{password} where username=#{username}
+</update>
+
+
+<!--物品信息-->
+<resultMap id="goods_List" type="Goods">
+    <id column="gid" property="gid"/>
+    <result column="username" property="username"/>
+    <result column="type" property="type"/>
+    <result column="price" property="price"/>
+    <result column="img" property="img"/>
+    <result column="commit" property="commit"/>
+    <result column="phone" property="phone"/>
+</resultMap>
+
+<!--查找物品-->
+<select id="goodsSelect" resultMap="goods_List" parameterType="Goods">
+    select * from goods
+    <where>
+        <if test="type != null">and type=#{type}</if>
+        <if test="gid != 0">and gid =#{gid}</if>
+        <if test="username != null">and username=#{username}</if>
+    </where>
+    order by gid desc
+</select>
+
+<!--物品信息更新-->
+<update id="goodsUpdate" parameterType="Goods">
+    update goods
+    <trim prefix="set" suffixOverrides=",">
+        <if test="type != null">type=#{type},</if>
+        <if test="img != null">img=#{img},</if>
+        <if test="price != null">price=#{price},</if>
+        <if test="commit != null">commit =#{commit},</if>
+        <if test="phone != null">phone =#{phone}</if>
+    </trim>
+    where gid=#{gid}
+</update>
+
+<!--删除物品-->
+<delete id="goodsDelete" parameterType="Goods">
+    delete from goods where gid=#{gid}
+</delete>
+
+<!--新增物品记录-->
+<!--useGeneratedKeys="true"对应自增字段，keyProperty="id" 对应自己定义的类属性 ,keyColumn="id" 对应数据库表字段-->
+<insert id="goodsInter" parameterType="Goods" useGeneratedKeys="true" keyProperty="gid" keyColumn="gid">
+    insert into goods values
+    (#{username},#{price},#{type},#{commit},#{img},#{gid},#{phone})
+</insert>
+
+</mapper>