<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<form id="form1" name="form1" method="post" action="check_remember.php">

<table width="300" border="1" align="center" cellpadding="0" cellspacing="0">

<thead>

<tr>

<td colspan="2" align="center"><b>记住用户名和密码</b></td>

</tr>

</thead>

<tr align="center">

<td>用 户 名：</td>

<td><input type="text" value="<?php echo $_COOKIE['name'];?>" name="name"></td>

</tr>

<tr align="center">

<td>密码：</td>

<td><input type="password" name="password" value="<?php echo $_COOKIE['password']?>"></td>

</tr>

<tr align="center">

<td>记住用户名和密码</td>

<td><?php if($_COOKIE['remember'] == 1){?><input type="checkbox" name="remember" value="1" checked><?php }else{($_COOKIE['remember'] == "")?><input
type="checkbox" name="remember" value="1"><?php }?></td>

</tr>

<tr align="center">

<td colspan="2"><input type="submit" name="Submit" value="提交" /></td>

</tr>

</table>

</form>

check_remember.php

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<?php

$name = $_POST['name'];

$password = $_POST['password'];

$remember = $_POST['remember'];

if($remember == 1){

setcookie('name',$name,time()+3600);

setcookie('password',$password,time()+3600);

setcookie('remember',$remember,time()+3600);

}else{

setcookie('name',$name,time()-3600);

setcookie('password',$password,time()-3600);

setcookie('remember',$remember,time()-3600);

}

echo "<a href="remember.php">返回</a>";

?>