你好,我确实有问题,我不使用js或jq只是头部中的自举链接,如果表单无效,则应该弹出,但是由于某种原因,那是我的问题。在我的其他代码上,它是有效的但是现在它不会在这里,我不知道为什么,我不会张贴这个,但是每天都在这样的琐事上苦苦挣扎:(不要给我缺点,我不要要求加分,但都不是-我会很感激hlp!
*Signup back*
<?php
if(isset($_POST['signup-submit'])){
require 'db.inc.php';
$error = false;
$username = $_POST['uid'];
$email = $_POST['mail'];
$pwd = $_POST['pwd'];
$pwdrpt = $_POST['pwd_repeat'];
if (empty($username) || empty($email) || empty($pwd) || empty($pwdrpt)) {
header("location: ../signup.php?error=emptyfields&uid=".$username."&mail=".$email);
exit();
}
// else if (!filter_var($email, FILTER_VALIDATE_EMAIL) && !preg_match("/^[a-zA-Z0-9]*$/", $username)){
// header("location: ../signup.php?error=invalidmail&uid");
// exit();
// }
elseif (!filter_var($email, FILTER_VALIDATE_EMAIL)){
$error = true;
$errorEmail = 'Please input a valid Email address';
header("location: ../signup.php?error=invalidmail&uid=".$username);
exit();
}
elseif (!preg_match("/^[a-zA-Z0-9]*$/", $username)){
$error = true;
$errorUsername = 'Please input username';
header("location: ../signup.php?error=invaliduid&mail=".$email);
exit();
}
*SignUp front*
<form action="includes/signup.inc.php" method="post" novalidate>
<h3 align="center"><strong>Sign Up<strong></h3>
<!-- <?php
if (isset($_GET['error'])) {
if ($_GET['error'] == 'invalidmail') {
echo '<p class="signuperror">Enter valid email address!</p>';
}
}
?> -->
<input class="form-control" type="text" placeholder="Username" name="uid">
<div><span class="text-danger"><?php if(isset($errorUsername)) echo $errorUsername; ?></span>
</div>
<br>
<input class="form-control" type="text" placeholder="Enter Email" name="mail">
<div><span class="text-danger"><?php if(isset($errorEmail)) echo $errorEmail; ?></span></div>
答案 0 :(得分:0)
尝试
<?php
if(isset($_POST['signup-submit'])){
$error = false;
$username = $_POST['uid'];
$email = $_POST['mail'];
if (empty($username) || empty($email)) {
header("location: index1.php?error=emptyfields");
exit();
}
elseif (!filter_var($email, FILTER_VALIDATE_EMAIL)){
$error = true;
$errorEmail = 'Please input a valid Email address';
header("location: index1.php?error=invalidmail");
exit();
}
elseif (!preg_match("/^[a-zA-Z0-9]*$/", $username)){
$error = true;
$errorUsername = 'Please input username';
header("location: index1.php?error=invaliduid");
exit();
}
}
?>
<form action="" method="post" novalidate>
<h3 align="center"><strong>Sign Up<strong></h3>
<?php
if (isset($_GET['error'])) {
if ($_GET['error'] == 'invalidmail') {
echo '<p class="signuperror">Enter valid email address!</p>';
}
}
?>
<input class="form-control" type="text" placeholder="Username" name="uid">
<div><span class="text-danger"><?php if(isset($errorUsername)) echo $errorUsername; ?></span>
</div>
<br>
<input class="form-control" type="text" placeholder="Enter Email" name="mail">
<div><span class="text-danger"><?php if(isset($errorEmail)) echo $errorEmail; ?></span></div>
<input type="submit" name="signup-submit" id="signup-submit">
</form>