Question

PHP如何找回密码

网站的会员忘记自己的密码了，如何找回呢，用PHP写这个流程，高手们指点一下

Answer 1

这是一个做好的密码找回 你先看一下 有不懂的你再问 <? ob_start(); //解决header不好使问题
session_start();
require_once("root.php");
try{
$dbUsers=new DBUsers();
$Users=new Users();
}catch (Exception $e){ //抛出错误异常
print $e->getMessage();
exit();
}
?>
<form action="pass.php?action=select" method="post">
用户名：<input type="text" name="name" value=""/>
<input type="submit" name="button" value="提交" />
</form>
<?
if($_GET['action']=='select'){
$dbUsers->name=$_POST['name'];
$users=$Users->selectUsers($dbUsers);
//显示密保
switch ((int)$users->question){
case 1:
echo "问题：你所在的城市？";
break;
case 2:
echo "问题：你的出生地？";
break;
case 3:
echo "问题：你的出生日期？";
break;
case 4:
echo "问题：你配偶的名字？";
break;
case 5:
echo "问题：你父亲的名字？";
break;
}?>
<form action="pass.php?action=insert&name=<?=$users->name?>" method="post">
答案：<input type="text" name="answer" value=""/>
<input type="submit" name="button" value="提交" />
</form>
<?
}if ($_GET['action']=='insert'){
$dbUsers->name=$_GET['name'];
$users=$Users->selectUsers($dbUsers);
//echo $users->answer."--------";
//echo $_POST['answer'];
if ($users->answer==$_POST['answer']){
header("Location:pass.php?action=update&name=$users->name");
ob_end_flush();//解决header不好使问题
}else{
echo "<script language='javascript'>alert('回答不正确')</script>";
}
}
?><?
//密码修改
if($_GET['action']=='update'){
$dbUsers->name=$_GET['name'];
?>
<h1>密码修改</h1>
<form action="pass.php?action=upsave&name=<?=$dbUsers->name?>" method="post">
新密码：<input type="password" name="pwd1" value=""/>

密码确认：<input type="password" name="pwd2" value=""/>
<input type="submit" name="button" value="提交" />
</form>
<?
}?><?
//密码更新
if($_GET['action']=='upsave'){
// $dbUsers->name=$_SESSION['name'];
$dbUsers->pwd=$_POST['pwd1'];
$dbUsers->name=$_GET['name'];
$msg=$Users->updateUsers($dbUsers);
if($msg){
echo "<script language='javascript'>alert('修改成功');location.href='index.php'</script>";
}}
?>