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<?php

?session_start();

?header("Content-type:text/html;charset=utf-8");

?$link = mysqli_connect('localhost','123654lgh', 'etjyr2bm','123654lgh');

?if (!$link) {

? die("連接失敗:".mysqli_connect_error());

}

$sql = "select * from login";

$result = mysqli_query($link, $sql);

$rows = mysqli_fetch_array($result);

?

?$username = $_POST['username'];

?$password = $_POST['password'] ;

?$confirm = $_POST['confirm'];

?$email = $_POST['email'];

?

?if($username == "" || $password == "" || $ best?tigen == "" ||. $email == "")

? ? ?if ((strlen($username) < 3)||(!preg_match('/^w+$/i', $username)))

{

?echo "<script>alert('信息不能為空！重新填寫');window.location.href='zhuce.html'</script>";

?} elseif ((strlen($username ) < 3)||(!preg_match('/^w+$/i', $username))) {

?echo "<script>alert('用戶名至少3位且不含非法字符！重新填寫');window.location.href='zhuce'</script>";

?//判斷用戶名長(zhǎng)度

?}elseif(strlen($password) < 5){

?echo "<script> Alert('密碼至少5位！重新填寫');window.location.href='zhuce.html'</script>";

?//判斷密碼長(zhǎng)度

?}elseif($password != $confirm) {

?echo "<script>alert('兩次密碼不相同！重新填寫');window.location.href='zhuce.html'</script>";

?//檢測(cè)兩次輸入密碼是否相同

?} elseif (!preg_match('/^[w.]+@w+.w+$/i', $email))?

?echo "<script>alert('郵箱不合法！重新填寫') ;window.location.href='zhuce.html'</script>";

?//判斷郵箱格式是否合法

?elseif(mysqli_fetch_array(mysqli_query($link,"select * from login where username = '$username '"))){

?echo "<script>alert('用戶名已存在');window.location.href='zhuce.html'</script>";

?} else{

?$ sql= "in die Anmeldung einfügen(Benutzername, Passwort, Best?tigung, E-Mail)Werte('$Benutzername','$Passwort','$Best?tigen','$E-Mail')";

?//插入數(shù)據(jù)庫(kù)

?if(! (mysqli_query($link,$sql))){

echo "<script>alert('Dateneinfügung fehlgeschlagen');window.location.href='zhuce.html'";

}else{

echo "<script>alert('Registrierung erfolgreich'); window.location.href='yonghu.html'</script>";

}

}

?>