我正在制作一个登录表单，但是一旦提交表单就没有做任何事情.. PHP不起作用.. 什么都行不通。这是我的代码：
的login.php：
<?
$con = mysqli_connect("localhost", "root", "pass", "DB");
//Login Script
if (isset($_POST["email"]) && isset($_POST["password_login"])) {
$user_login = ($_POST["email"]); // filter everything but numbers and letters
$password_login = preg_replace('#[^A-Za-z0-9]#i', '', $_POST["password_login"]); // filter everything but numbers and letters
$md5password_login = md5($password_login);
$sql = mysqli_query($con, "SELECT id FROM users WHERE email='$user_login' AND password='$md5password_login' AND closed='no' LIMIT 1"); // query the person
//Check for their existance
$userCount = mysql_num_rows($sql); //Count the number of rows returned
if ($userCount == 1) {
while($row = mysql_fetch_array($sql)){
$id = $row["id"];
}
$_SESSION["id"] = $id;
$_SESSION["user_login"] = $user_login;
$_SESSION["password_login"] = $password_login;
exit("<meta http-equiv=\"refresh\" content=\"0\">");
} else {
echo 'That information is incorrect, try again';
exit();
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Login to Music and Science!</title>
<script type="text/javascript">
$("login-button").click(function(event){
event.preventDefault();
$('form').fadeOut(500);
$('.wrapper').addClass('form-success');
});
</script>
<style type="text/css">
@import url(http://fonts.googleapis.com/css?family=Source+Sans+Pro:200,300);
* {
box-sizing: border-box;
margin: 0;
padding: 0;
font-weight: 300;
}
body {
font-family: 'Source Sans Pro', sans-serif;
color: white;
font-weight: 300;
}
body ::-webkit-input-placeholder {
/* WebKit browsers */
font-family: 'Source Sans Pro', sans-serif;
color: white;
font-weight: 300;
}
body :-moz-placeholder {
/* Mozilla Firefox 4 to 18 */
font-family: 'Source Sans Pro', sans-serif;
color: white;
opacity: 1;
font-weight: 300;
}
body ::-moz-placeholder {
/* Mozilla Firefox 19+ */
font-family: 'Source Sans Pro', sans-serif;
color: white;
opacity: 1;
font-weight: 300;
}
body :-ms-input-placeholder {
/* Internet Explorer 10+ */
font-family: 'Source Sans Pro', sans-serif;
color: white;
font-weight: 300;
}
.wrapper {
background: #50a3a2;
background: -webkit-linear-gradient(top left, #50a3a2 0%, #53e3a6 100%);
background: linear-gradient(to bottom right, #50a3a2 0%, #53e3a6 100%);
position: absolute;
top: 50%;
left: 0;
width: 100%;
height: 100%;
margin-top: -310px;
overflow: hidden;
}
.wrapper.form-success .container h1 {
-webkit-transform: translateY(85px);
-ms-transform: translateY(85px);
transform: translateY(85px);
}
.container {
max-width: 600px;
margin: 0 auto;
padding: 80px 0;
height: 400px;
text-align: center;
}
.container h1 {
font-size: 40px;
-webkit-transition-duration: 1s;
transition-duration: 1s;
-webkit-transition-timing-function: ease-in-put;
transition-timing-function: ease-in-put;
font-weight: 200;
}
form {
padding: 20px 0;
position: relative;
z-index: 2;
}
form input {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
outline: 0;
border: 1px solid rgba(255, 255, 255, 0.4);
background-color: rgba(255, 255, 255, 0.2);
width: 250px;
border-radius: 3px;
padding: 10px 15px;
margin: 0 auto 10px auto;
display: block;
text-align: center;
font-size: 18px;
color: white;
-webkit-transition-duration: 0.25s;
transition-duration: 0.25s;
font-weight: 300;
}
form input:hover {
background-color: rgba(255, 255, 255, 0.4);
}
form input:focus {
background-color: white;
width: 300px;
color: #53e3a6;
}
form button {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
outline: 0;
background-color: white;
border: 0;
padding: 10px 15px;
color: #53e3a6;
border-radius: 3px;
width: 250px;
cursor: pointer;
font-size: 18px;
-webkit-transition-duration: 0.25s;
transition-duration: 0.25s;
}
form button:hover {
background-color: #f5f7f9;
}
.bg-bubbles {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 1;
}
.bg-bubbles li {
position: absolute;
list-style: none;
display: block;
width: 40px;
height: 40px;
background-color: rgba(255, 255, 255, 0.15);
bottom: -160px;
-webkit-animation: square 25s infinite;
animation: square 25s infinite;
-webkit-transition-timing-function: linear;
transition-timing-function: linear;
}
.bg-bubbles li:nth-child(1) {
left: 10%;
}
.bg-bubbles li:nth-child(2) {
left: 20%;
width: 80px;
height: 80px;
-webkit-animation-delay: 2s;
animation-delay: 2s;
-webkit-animation-duration: 17s;
animation-duration: 17s;
}
.bg-bubbles li:nth-child(3) {
left: 25%;
-webkit-animation-delay: 4s;
animation-delay: 4s;
}
.bg-bubbles li:nth-child(4) {
left: 40%;
width: 60px;
height: 60px;
-webkit-animation-duration: 22s;
animation-duration: 22s;
background-color: rgba(255, 255, 255, 0.25);
}
.bg-bubbles li:nth-child(5) {
left: 70%;
}
.bg-bubbles li:nth-child(6) {
left: 80%;
width: 120px;
height: 120px;
-webkit-animation-delay: 3s;
animation-delay: 3s;
background-color: rgba(255, 255, 255, 0.2);
}
.bg-bubbles li:nth-child(7) {
left: 32%;
width: 160px;
height: 160px;
-webkit-animation-delay: 7s;
animation-delay: 7s;
}
.bg-bubbles li:nth-child(8) {
left: 55%;
width: 20px;
height: 20px;
-webkit-animation-delay: 15s;
animation-delay: 15s;
-webkit-animation-duration: 40s;
animation-duration: 40s;
}
.bg-bubbles li:nth-child(9) {
left: 25%;
width: 10px;
height: 10px;
-webkit-animation-delay: 2s;
animation-delay: 2s;
-webkit-animation-duration: 40s;
animation-duration: 40s;
background-color: rgba(255, 255, 255, 0.3);
}
.bg-bubbles li:nth-child(10) {
left: 90%;
width: 160px;
height: 160px;
-webkit-animation-delay: 11s;
animation-delay: 11s;
}
@-webkit-keyframes square {
0% {
-webkit-transform: translateY(0);
transform: translateY(0);
}
100% {
-webkit-transform: translateY(-700px) rotate(600deg);
transform: translateY(-700px) rotate(600deg);
}
}
@keyframes square {
0% {
-webkit-transform: translateY(0);
transform: translateY(0);
}
100% {
-webkit-transform: translateY(-700px) rotate(600deg);
transform: translateY(-700px) rotate(600deg);
}
}
</style>
</head>
<body>
<div class="wrapper">
<div class="container">
<h1>Welcome Back!</h1>
<form class="form" method="POST" action="#">
<input type="email" name="email" placeholder="Email">
<input type="password" name="password_login" placeholder="Password">
<button type="submit" name="submit" id="login-button">Login</button>
</form>
</div>
<ul class="bg-bubbles">
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
</body>
</html>
没有显示错误，我不知道什么是错的。 请帮忙..
谢谢！
答案 0 :(得分：0)
你正在混合图书馆。 mysqli 不 = mysql。你想要的是这个：
$userCount = mysqli_num_rows($sql);
$row = mysql_fetch_array($sql)同样如此，那就是：
$row = mysqli_fetch_array($sql)
此外，您的会话将不会被设置，因为您尚未启动它！如果您想使用会话，则需要在要打算使用会话的每个页面上启动它们：
<?php
session_start();
请不要在生产中使用此代码。它很容易被SQL Injection攻击，您应该至少清理变量，但请改用PDO或Mysqli Prepared Statements。
注意：好像你有（<? ?>）PHP短标签，所以这不是问题，但不是每个主机都会打开它们，所以最好使用正确的标签：
<?php
...... your code
?>