我一直在努力想象我们这几天,并且无法理解它!我正在尝试为我的网站创建一个简单的登录功能,这是我以前从未做过的,并且正在努力学习,而且我有点挣扎。这是下面的代码,任何人都可以帮忙!?
Signup.php
<?php
include_once 'header.php';?>
<section class="main-container">
<div class="main-wrapper">
<h2>Sign Up</h2>
<form class="signup-form" action="includes/signup.inc.php" method="post">
<input type="text" name="first" placeholder="Firstname">
<input type="text" name="last" placeholder="Lastname">
<input type="text" name="email" placeholder="Email">
<input type="text" name="uid" placeholder="Username">
<input type="password" name="pwd" placeholder="Password">
<button type="submit" name="submit">Sign up</button>
</form>
</div>
</section>
<?php include_once 'footer.php';?>
duh.inc.php - 我在这里用密码填写了用户名。
<?php
$dbServername = "213.171.200.83";
$dbUsername = "User_Name";
$dbPassword = "Password";
$dbName = "Login";
$conn = mysqli_connect($dbServername, $dbUsername, $dbPassword, $dbName)
Signup.inc.php
<?php
if (isset($_POST['submit'])) {
include_once 'dbh.inc.php';
$first = mysqli_real_escape_string($conn, $_POST['first']);
$last = mysqli_real_escape_string($conn, $_POST['last']);
$email = mysqli_real_escape_string($conn, $_POST['email']);
$uid = mysqli_real_escape_string($conn, $_POST['uid']);
$pwd = mysqli_real_escape_string($conn, $_POST['pwd']);
//Error handlers
//Check for empty fields
if (empty($first) || empty($last) || empty($email) || empty($uid) || empty($lpwd)) {
header("Location: ../signup.php");
exit();
} else {
//Check if input characters are valid
if (!preg_match("/^[a-zA-Z]*$/", $first) || !preg_match("/^[a-zA-Z]*$/", $last)) {
header("Location: ../signup.php?signup=invalid");
exit();
} else {
//Check if email is valid
if (!filter_var($email, FILTER_VALIDATE_EMAIL))
header("Location: ../signup.php?signup=invalidemail");
exit();
} else {
$sql = "SELECT * FROM users WHERE user_uid='$uid'";
$result = mysqli_query($conn, $sql);
$resultCheck = mysqli_num_rows($result);
if ($resultCheck > 0) {
header("Location: ../signup.php?signup=usertaken");
exit();
} else {
//Hashing Password
$hashedPwd = password_hash($pwd, PASSWORD_DEFAULT)
//Insert user into the database
$sql = "INSERT INTO users (user_first, user_last, user_email, user_uid, user_pwd) VALUES ('$first', '$last', '$email', '$uid','$hashedPwd');";
mysqli_query($conn, $sql);
header("Location: ../signup.php?signup=Sucsess");
exit();
}
}
}
} else {
header("Location: ../signup.php?signup=empty");
exit();
}
答案 0 :(得分:1)
改变这个
if (empty($first) || empty($last) || empty($email) || empty($uid) || empty($lpwd)) {
header("Location: ../signup.php");
exit();
要
if (empty($first) || empty($last) || empty($email) || empty($uid) || empty($pwd)) {
header("Location: ../signup.php");
exit();
答案 1 :(得分:0)
您在Signup.inc.php的第15行中使用了 $ lpwd ,但未定义。
只是输入错误。
使用此:
if (empty($first) || empty($last) || empty($email) || empty($uid) || empty($pwd)) {