我正在学习如何使用"setcookie",但是,我无法让以下行工作,我已经把我所有的代码都贴在这里了,如果有人可以帮我一把吗?不知道原因。非常感谢。
else{ die ("hahahahahahahahahahahahahaha"); }
网页代码
<form method="POST" action="">
<div class="error"><?php echo $error;?></div>
<p></p>
<label>Username: </label><br>
<input type="text" name="username"><br>
<label>Password: </label><br>
<input type="password" name="password"><br>
<input type="checkbox" name="rememberme"> Remember me<br>
<input type="submit" name="submit" value="Login">
PHP代码
<?
if(isset($_POST['submit'])){
//get data
$username = $_POST['username'];
$password = $_POST['password'];
$rememberme = isset($_POST['rememberme']);
echo $rememberme;
if($username&&$password){
$login = mysql_query("SELECT * FROM form WHERE username='$username'");
while ($row = mysql_fetch_assoc($login))
{
$db_password = $row['password'];
if (md5($password)== $db_password)
{
$logstatus = TRUE;
}
else{
$logstatus = FALSE;
}
if ($logstatus == TRUE)
{
if ($rememberme == "1")
setcookie("username", $username, time()+600);
else if ($rememberme == "")
$_SESSION['username'] = $username;
echo " I am here";
}
else{
die ("hahahahahahahahahahahahahaha"); //unable to get here
}
}
}
else{
echo "enter username / password";
}
}
?>
试试这段代码,我还没有测试过它,但应该可以:)
session_start();//dont forget this :P
if(isset($_POST['submit'])){
//get data
$username = $_POST['username'];
$password = $_POST['password'];
$rememberme = isset($_POST['rememberme']);
echo $rememberme;
if($username&&$password){
$login = mysql_query("SELECT * FROM form WHERE username='$username' AND password='".md5($password)."'");
if (mysql_num_rows($login))//if this returns 1 you are logged in
{
if ($rememberme == "1")
setcookie("username", $username, time()+600);
else
$_SESSION['username'] = $username;
echo " I am here";
}else{
die ("Incorrect Username/Password"); //unable to get here
}
}
}
else{
echo "enter username / password";
}
}
while 循环导致问题,只需将其删除即可。
好吧
,我没有测试代码,但尝试以下可能会有所帮助。
添加行:
$logstatus = TRUE;
之前。
理由:块完成后立即完成变量的范围。在 while 之外定义日志状态将确保其范围不会在需要的地方结束。