From 84cb4f5795ec41b04f87863551c3eaae94fbd72a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=A2=85=E6=A2=A6=E7=94=9C?= <2559797458@qq.com>
Date: Thu, 2 Jun 2022 22:07:58 +0800
Subject: [PATCH] tj

---
 .../20220601 php \344\274\232\350\257\235.md" | 96 +++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 "\346\242\205\346\242\246\347\224\234/20220601 php \344\274\232\350\257\235.md"
diff --git "a/\346\242\205\346\242\246\347\224\234/20220601 php \344\274\232\350\257\235.md" "b/\346\242\205\346\242\246\347\224\234/20220601 php \344\274\232\350\257\235.md"
new file mode 100644
index 0000000..cd9e868
--- /dev/null
+++ "b/\346\242\205\346\242\246\347\224\234/20220601 php \344\274\232\350\257\235.md"	
@@ -0,0 +1,96 @@
+```php
+<?php
+
+ // 显示上次访问页面的时间
+
+setcookie('lasttime',time(),time()+60*60);
+
+ //如果你是第一次访问就显示你是第一次访问
+if (empty($_COOKIE['lasttime'])){
+
+    echo "你是第一次访问。奖励你支付100元给平台！";
+
+}else{
+
+    echo "欢迎回来，您上次来访的时间为：".date('Y-m-d H:i:s',$_COOKIE['lasttime']);
+
+}
+```
+
+```php
+<?php
+
+// 启动会话
+session_start();
+$user = isset($_POST['user'])?$_POST['user']:"";
+$pwd = isset($_POST['password'])?$_POST['password']:"";
+if (!empty($user)){
+    if ($user == '任嘉伦' && $pwd == '0411'){
+        $_SESSION['user']='任嘉伦';
+        setcookie('user','任嘉伦',time()+60*60);
+       echo "登入成功！<a href='demo03.php'>查看余额</a>";
+    }else{
+        echo "登入失败";
+        exit();
+    }
+} else{
+
+
+?>
+
+
+<html>
+     <head>
+        <meta charset="UTF-8">
+
+         <title> 登入</title>
+     </head>
+
+<body>
+
+<form action=" " method="post">
+
+
+    用户名：<input type="text" name="user" id=" ">
+    <br>
+    密码：<input type="password" name="pwd" id=" ">
+    <br>
+    <input type="submit" value="提交">
+
+
+</form>
+
+</body>
+
+</html>
+<?php
+}
+?>
+```
+
+```php
+<?php
+ //显示银行卡余额页面
+
+session_start();
+
+$user = $_COOKIE['user']?:$_SESSION['user'];
+
+
+//先判断之前是否登入过，如果没有登入过，会提示让你登入后再来
+
+if (empty($user)){
+    echo "你还没有登入，请先<a href='dmeo02.php'>登入！</a>";
+    exit();
+
+}
+
+
+//如果登入过，就直接显示银行卡信息
+
+echo $user."登入成功！余额为100000元";
+echo "<a href='dmeo02.php'>退出登入</a>";
+
+
+```
+
-- 
Gitee

