changepassword.php
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="zh-CN">
<head>
<title>更改密码</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>
<?php
session_start();
$dbc=@mysqli_connect('127.0.0.1', 'root','123456','todolist')
or die('could not connect to mysql');
mysqli_set_charset($dbc,'utf8');
if(!isset($_SESSION['username'])){
echo"请登录后在更改密码";
}
if($_SERVER['REQUEST_METHOD']=='POST'){
$newpassword=$_POST['newpassword'];//{$_POST['newpassword']}
$q="update usermessage set password='$newpassword' where user_id={$_SESSION['user_id']}";
$r=mysqli_query($dbc,$q);
if($r){
echo"您的密码已更改成功";
}else{
echo"请重新更改密码";
echo mysqli_error($dbc);
}
}
?>
<form action="changepassword.php" method="POST">
新密码：<input type="password" name="newpassword" />
<br />
<input type="submit" value="确定更改" />
</form>
<a href="login.php">登录</a>
<br />
<a href="index.php">返回首页</a>
</body>
</html>
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