diff --git "a/\347\216\213\351\200\270\346\260\221/20220602\347\231\273\345\205\245\347\263\273\347\273\237.md" "b/\347\216\213\351\200\270\346\260\221/20220602\347\231\273\345\205\245\347\263\273\347\273\237.md"
new file mode 100644
index 0000000000000000000000000000000000000000..5e519f6266f3af7d9539d074fda916e3f4b4ead5
--- /dev/null
+++ "b/\347\216\213\351\200\270\346\260\221/20220602\347\231\273\345\205\245\347\263\273\347\273\237.md"
@@ -0,0 +1,75 @@
+
+
+# 作业
+
+### 登入
+
+```php+HTML
+<?php
+$name= $_POST['name'] ?? '';
+$psw= $_POST['psw'] ?? '';
+session_start();
+//setcookie('time',time(),time()+60*60);
+if (!empty($name)){
+    if ($name =='123'&& $psw =='123'){
+        $_SESSION['name']="王大大";
+        echo "登入成功！<a href='pandauan.php'>查看登入</a>";
+    }else{
+        echo "登入失败，请重新登入<a href='post.php'>返回上一页</a>";
+        exit();
+    }
+}else{
+   echo  "账号不能为空请重新登入<a href='post.php'>返回登入</a>";
+}
+
+
+```
+
+### 退出
+
+```php+HTML
+<?php
+session_start();
+unset($_SESSION['name']);
+echo "退出成功<a href='post.php'>返回登入页面</a>";
+```
+
+### 记录
+
+```
+
+
+<?php
+
+//$val=date('Y-m-d H:i:s',$_COOKIE['time']);
+//echo "您上次登入的时间为：".$val;
+setcookie('t', time(), time() + 60 * 60);
+session_start();
+$names = $_SESSION['name'];
+echo "<br>";
+if (!empty($_COOKIE['t'])) {
+    echo $names . "欢迎回来";
+} else {
+    echo "第一次登入,欢迎" . $names . "!";
+}
+echo "<br><a href='exct.php'>退出登入</a>";
+
+
+```
+
+### 表单
+
+<!doctype html>
+    <html>
+    <head>
+        <meta charset="UTF-8">
+        <title>登入界面</title>
+    </head>
+    <body>
+    <form method="post" action="denru.php">
+        用户名：<input type="text" name="name"><br>
+        密码：<input type="password" name="psw"><br>
+        <input type="submit" value="提交">
+    </form>
+    </body>
+    </html>
