[PHP知识库]PHP简易登录

PHP登录Cookie保持登录

直接上源码

login.html

<div>
		<h1>PHP简易登录</h1><br>
		<form action="login.php" method="post">
			<label for="fname">用户名</label>
			<input type="text" name="u_name" placeholder="用户名" />
			<label for="lname">密码</label>
			<input type="password" name="u_pass" placeholder="密码" />
			<label for="country">保持连接</label>
			<select name="cookie" id="cookie">
				<option value="0" selected>30分钟</option>
				<option value="1">3天</option>
				<option value="2">30天</option>
			</select>
			<button type="submit" class="btn" name="login">登录</button>
			<ul>
				<li><a href="javascript:void()">忘记密码</a></li>
				<li><a href="javascript:void()">系统管理</a></li>
			</ul>
		</form>
	</div>

login.php

<?php
	header ("Content-Type:text/html;charset=UTF-8");
	$username = $_POST['u_name'];
	$passcode = $_POST['u_pass'];
	if ($username !="" && $passcode !=""){
		switch ($cookie)
		{
			case 0:
				setcookie ("username",$username,time()+60*30);
				break;
			case 1:
				setcookie ("username",$username,time()+60*60*24*3);
				break;
			case 2:
				setcookie ("username",$username,time()+60*60*24*30);
				break;
		}
		header ("location:system.php");
	}else{
		echo "用户名或密码错误<br>";
		header("refresh:3;url=login.html");
		print('正在加载，请稍等...<br>3秒后自动跳转。');
	}
?>

全套源码带注销登录源码请转至：https://download.csdn.net/download/munanshang/20036497?spm=1001.2014.3001.5503