04-使用cookie实现记录用户名称的需求

来源：互联网发布：淘宝店导航装修视频编辑：程序博客网时间：2024/05/21 10:50

<?phprequire_once 'common.php';?><html><head><meta content="text/html;charset=utf-8" http-equiv="content-type"></head><img alt="logo.gif" src="./images/logo.gif"><hr /><h1>管理员登录系统</h1><form action="loginProcess.php" method="post"><table><tr><td>用户id</td><td><input type="text" name="id"value="<?phpecho getCookieVal ( 'id' )?>" /></td></tr><tr><td>密  码</td><td><input type="password" name="password" /></td></tr><tr><td colspan="2"><input type="checkbox" name="keep" value="yes" />是否保存用户ID</td></tr><tr><td><input type="submit" value="用户登录" /></td><td><input type="reset" value="重新填写" /></td></tr></table></form><?phpheader ( "content-type:text/html;charset=utf-8" );if (! empty ( $_GET ['errno'] )) {$errno = $_GET ['errno'];if ($errno == 1) {echo "<font color='red' size='3'>你的用户名或密码错误</font>";}}?><hr /><img alt="foot.jpg" src="./images/foot.jpg"></html>

loginProcess.php

//3.获取用户是否选中了保存idif(empty($_POST['keep'])){if(!empty($_COOKIE['id']))//删除cookiesetcookie("id",$id,time()-100);}else{//设置cookiesetcookie("id",$id,time()+7*2*24*3600);}

common.php(获取cookie的方法)

function getCookieVal($key) {if (empty ( $_COOKIE [$key] )) {return "";} else {return $_COOKIE [$key];}}