From 2d163cd24145ba0da2bed49c99397dbdd594132e Mon Sep 17 00:00:00 2001
From: p94fgc8jk <sss006122@qq.com>
Date: Sat, 8 Mar 2025 20:39:50 +0800
Subject: [PATCH] ADD file via upload

---
 UserMapper.xml | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 UserMapper.xml

diff --git a/UserMapper.xml b/UserMapper.xml
new file mode 100644
index 0000000..13aba1a
--- /dev/null
+++ b/UserMapper.xml
@@ -0,0 +1,28 @@
+<?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文件相当于DAO接口的“实现类”，namespace属性要指定“实现”DAO接口的全限定名 -->
+<mapper namespace="com.example.web.UserDao">
+        <insert id="insert" parameterType="com.example.web.User1">
+                insert into user1(username,password) values(#{username},#{password})
+        </insert>
+ 
+        <update id="updateUser" parameterType="com.example.web.User1">
+                update user1 set username=#{username},password=#{password} where userId=#{userId}
+        </update>
+        
+        <delete id="deleteUser" parameterType="com.example.web.User1">
+                delete from user1 where userId=#{userId}
+        </delete>
+ 
+        <select id="selectAll" resultType="com.example.web.User1">
+                select * from user1
+        </select>
+ 
+        <select id="selectUserById" resultType="com.example.web.User1">
+                select*from user1 where userId=#{userId}
+        </select>
+</mapper>
+ 
+ 
\ No newline at end of file