php记住用户名和密码实现代码（cookie）

remember.php

<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>";

?>