diff --git "a/\345\217\266\346\200\235\346\200\235/20220605-\347\211\265\346\211\213\347\275\221.md" "b/\345\217\266\346\200\235\346\200\235/20220605-\347\211\265\346\211\213\347\275\221.md"
new file mode 100644
index 0000000000000000000000000000000000000000..baa51e8a9e13783e3bc7828d51960b68528c3d79
--- /dev/null
+++ "b/\345\217\266\346\200\235\346\200\235/20220605-\347\211\265\346\211\213\347\275\221.md"
@@ -0,0 +1,257 @@
+mysql代码
+
+```mysql
+create database qianshou charset utf8;
+use qianshou;
+
+create table user(
+id int primary key auto_increment,
+username varchar(20) unique not null,
+password varchar(20) not null,
+age int not null,
+sex varchar(1) not null,
+height varchar(20) not null,
+hobby varchar(200) not null,
+address varchar(20) default '保密',
+phone varchar(11),
+photo varchar(200),
+aboutme varchar(200)
+);
+```
+
+
+
+conn.php
+
+```php+HTML
+<?php
+$conn=mysqli_connect('localhost','root','root','qianshou') or die("连接失败");
+mysqli_query($conn,'set names utf8');
+```
+
+register.php
+
+```php+HTML
+<?php
+
+?>
+
+<html>
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport"
+          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <title>用户注册</title>
+    <script>
+        function check(){
+            if (myform.username.value=='' ||
+                myform.password1.value=='' ||
+                myform.password2.value=='' ||
+                myform.age.value=='' ||
+                myform.sex.value=='' ||
+                myform.height.value=='' ||
+                myform.hobby.value==''
+            ){
+                alert("有表单必须项未填写！")
+                return false;
+            }
+            if (myform.password1.value!=myform.password2.value){
+                alert("两次填写的密码不一致！")
+                return false;
+            }
+
+            var hobbys=document.getElementsByName("hobby[]");
+            var flag=false;
+            for (var i=0;i<hobbys.length;i++){
+                if(hobbys[i].checked){
+                    flag = true;
+                    break ;
+                }
+            }
+            if(!flag){
+                alert("爱好至少选一项哦！");
+                return false;
+            }
+
+        }
+    </script>
+</head>
+<body>
+<h1>用户注册</h1>
+<form action="register_do.php" method="post" enctype="multipart/form-data" id="myform">
+    <table border="1" width="500">
+        <tr><th>*用户名：</th><td><input type="text" name="username"></td></tr>
+        <tr><th>*密码：</th><td><input type="password" name="password1"></td></tr>
+        <tr><th>*再次密码：</th><td><input type="password" name="password2"></td></tr>
+        <tr><th>*年龄：</th><td><input type="text" name="age"></td></tr>
+        <tr><th>*性别：</th><td><input type="radio" name="sex" value="1">男<input type="radio" name="sex" value="0">女</td></tr>
+        <tr><th>*身高：</th><td><input type="text" name="height"></td></tr>
+        <tr><th>*爱好：</th>
+            <td>
+                <input type="checkbox" name="hobby[]" value="运动" class="hobby">运动
+                <input type="checkbox" name="hobby[]" value="音乐" class="hobby">音乐
+                <input type="checkbox" name="hobby[]" value="电影" class="hobby">电影
+                <input type="checkbox" name="hobby[]" value="旅游" class="hobby">旅游
+                <input type="checkbox" name="hobby[]" value="美食" class="hobby">美食
+                <input type="checkbox" name="hobby[]" value="游戏" class="hobby">游戏
+
+            </td>
+        </tr>
+        <tr><th>手机号码：</th><td><input type="text" name="phone"></td></tr>
+        <tr><th>住址：</th><td><input type="text" name="address"></td></tr>
+        <tr><th>交友宣言：</th><td><input></td></tr>
+        <tr><th height="50">上传头像：</th><td><input type="file" name="photo"></td></tr>
+        <tr><td colspan="2" align="center"><input type="submit" name="提交" onclick="return check()"></td></tr>
+
+    </table>
+    <a href="login.php">已有账号，前往登录</a>
+</form>
+</body>
+</html>
+```
+
+register_do.php
+
+```php
+<?php
+foreach ($_POST as $key => $value){
+    if ($key!='提交'){
+        $$key=$value;
+    }
+
+}
+//$hobby=implode(',',$hobby);//implode定义和用法 implode() 函数返回由数组元素组合成的字符串。
+
+include_once ('./conn.php');
+$sql="insert into `user` value (null,'$username','$password1','$age',$sex,'$height','$hobby','$address','$phone',null,'$aboutme')";
+$result=mysqli_query($conn,$sql);
+if ($result){
+    echo "注册成功！<a href='login.php'>请登录</a>";
+}else{
+    die("注册失败！".mysqli_error($conn));
+}
+```
+
+login.php
+
+```php+HTML
+<?php
+if(empty($_POST['username'])){
+?>
+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport"
+          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <title>用户登录</title>
+</head>
+<body>
+<h1>用户登录</h1>
+<form action="" method="post">
+    <table border="1">
+        <tr><th>用户名：</th><td><input type="text" name="username"></td></tr>
+        <tr><th>密码：</th><td><input type="password" name="password"></td></tr>
+        <tr><td colspan="2" align="center"><input type="submit" value="登录"></td></tr>
+
+    </table>
+    <a href="register.php">还没有账号，前往注册</a>
+</form>
+</body>
+</html>
+
+<?php
+}else{
+    $username=$_POST['username'];
+    $password=$_POST['password'];
+    include_once ('./conn.php');
+    $sql="select * from `user` where `username`='$username' and `password`='$password'";
+    $conn=mysqli_connect('localhost','root','root','qianshou') or die("连接失败");
+    $result=mysqli_query($conn,$sql);
+
+    if (mysqli_num_rows($result)<=0){
+        die("用户名或密码错误！<a href='login.php'>重新登录</a>");
+    }else{
+        header('location:index.php');
+
+
+    }
+}
+```
+
+logout.php
+
+```php+HTML
+<?php
+session_start();
+unset($_SESSION['username']);
+setcookie('username','',time()-1);
+echo "注销成功";
+```
+
+index.php
+
+```php+HTML
+<?php
+include_once ('conn.php');
+$sql="select * from user";
+$conn=mysqli_connect('localhost','root','root','qianshou') or die("连接失败");
+$result=mysqli_query($conn,$sql);
+while (mysqli_fetch_assoc($result)){
+
+}
+?>
+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport"
+          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <title>主页</title>
+</head>
+<body>
+<h1>个人信息</h1>
+<table border="1" width="500">
+    <tr><th>*用户名：</th><td><input type="text" name="username"></td></tr>
+    <tr><th>*密码：</th><td><input type="password" name="password1"></td></tr>
+    <tr><th>*再次密码：</th><td><input type="password" name="password2"></td></tr>
+    <tr><th>*年龄：</th><td><input type="text" name="age"></td></tr>
+    <tr><th>*性别：</th><td><input type="radio" name="sex" value="1">男<input type="radio" name="sex" value="0">女</td></tr>
+    <tr><th>*身高：</th><td><input type="text" name="height"></td></tr>
+    <tr><th>*爱好：</th>
+        <td>
+            <input type="checkbox" name="hobby[]" value="运动" class="hobby">运动
+            <input type="checkbox" name="hobby[]" value="音乐" class="hobby">音乐
+            <input type="checkbox" name="hobby[]" value="电影" class="hobby">电影
+            <input type="checkbox" name="hobby[]" value="旅游" class="hobby">旅游
+            <input type="checkbox" name="hobby[]" value="美食" class="hobby">美食
+            <input type="checkbox" name="hobby[]" value="游戏" class="hobby">游戏
+
+        </td>
+    </tr>
+    <tr><th>手机号码：</th><td><input type="text" name="phone"></td></tr>
+    <tr><th>住址：</th><td><input type="text" name="address"></td></tr>
+    <tr><th>交友宣言：</th><td><input></td></tr>
+    <tr><th height="50">上传头像：</th><td><input type="file" name="photo"></td></tr>
+    <tr><a href="logout.php">注销</a></tr>
+</body>
+</html>
+
+```
+
+index1.php
+
+```php+HTML
+<?php
+session_start();//启动
+$user=$_SESSION['username']?:$_COOKIE['username'];
+if(isset($user) && $user=="admin"){
+    header("location:index.php");
+}else{
+    header('location:login.php');
+}
+```
+

*用户名：
*密码：
*再次密码：
*年龄：
*性别：	男女
*身高：
*爱好：	+ 运动 + 音乐 + 电影 + 旅游 + 美食 + 游戏 + +
手机号码：
住址：
交友宣言：
上传头像：