让我向您展示我的产品:
(1) 形式:
<form name="login-form" class="login-form" method="post" onSubmit="login()">
<div class="header">
<h1>Sign In</h1>
</div>
<div class="content">
<input type="hidden" name="siteToken" value="$token" />
<input id="username" name="username" type="text" class="input username" placeholder="Username" required="required" />
<div class="user-icon"></div>
<input id="password" name="password" type="password" class="input password" placeholder="Password" required="required" />
<div class="pass-icon"></div>
</div>
<div class="footer">
<input type="submit" name="submit" value="Login" class="button" />
</div>
</form>
(2) jQuery函数:
$(document).ready(function login() {
$('.login-form').submit(function() {
var formData = $(this).serialize();
$("input").prop("disabled", true);
$.post('VRC_LoginProcess.php', formData, loginMessage);
function loginMessage(data) {
$('.header').append(data);
};
});
});
(3) PHP函数:
<?php
require_once('VRC_Header.php');
require_once('../Classes/VRC_MasterOO.php');
require_once('../Classes/VRC_Secure_Login.php');
//*******************************//
//Declerations
$signIn = "";
$username = "";
$password = "";
$success = "";
$error = "";
//******************************//
//****************************************************************************************//
//Script Header
$signIn = new UserService($dbuser, $dbpass, $dbhost, $dbname); //Create new class instance
$signIn->sec_session_start(); //Begin session
//***************************************************************************************//
//***************************************************************************************//
//Begin Login Functions
if(isset($_POST['username'], $_POST['password'])) {
//Assign POST submissions to passable php variables
$username = $_POST['username'];
$password = $_POST['password'];
$passedToken = $_POST['siteToken'];
/*//Check Token Values (prevent CSRF attacks)
if($passedToken != $_SESSION['token']) {
$error = "CSRF attack detected. Please close your browser and try again.";
$signIn->csrfAttackLog($username);
echo $error;
exit();
}*/
//Test if both fields are not null
if($username == "" || $password == "")
{
$error = "Not all fields were entered<br />";
echo $error;
exit();
}
//Start login process
else
{
$success = $signIn->login($username, $password);
if ($success === true)
{ //Login Successful
echo "Success!"; //Direct to main page.
exit();
}
//Specific login failure determination
else
{
switch ($success){
case 1:
$error = "Your account has been locked.";
echo $error;
break;
case 2:
$error = "Invalid Username/Password (2)";
echo $error;
break;
case 3:
$error = "Invalid Username/Password";
echo $error;
break;
case 4:
$error = "Invalid Username/Password (3)";
echo $error;
break;
}
}
}
}
?>
首先,我怀疑问题出在PHP函数上。在实现jQuery调用之前,我已经对它进行了测试(我直接在htmlaction
属性中使用了它)。我怀疑这个问题发生在jQuery函数中(我刚开始使用jQuery,对它并不熟悉)。
请注意,我暂时删除了php文件中的令牌输入。我只是想在处理之前让它发挥作用(这部分还有另一个问题)。
我不相信post变量被正确地发送到php文件。此外,我也不相信我的jQuery函数能正确地接收到来自php函数的echo
响应,因为它会将其显示为html——前提是它一开始就有效。
欢迎提供任何意见。
$(document).ready(function login() {
那条线就是问题所在。
登录功能可能对页面的其他部分不可用。它只是匿名函数的一个名称,它是$(document).ready
函数的参数。
您有范围问题。
将登录功能单独移出:
function loginMessage(data) {
$('.header').append(data);
};
function login() {
$('.login-form').submit(function () {
var formData = $(this).serialize();
$("input").prop("disabled", true);
$.post('VRC_LoginProcess.php', formData, loginMessage);
});
}
$(document).ready(function () {
login();
});
编辑:
在您的登录函数中,您正在为登录表单的提交事件注册一个处理程序。而且它只需要注册一次。
So, remove `onsubmit=login()` from your form's attributes, and you are good.
将HTML略微更改为该
<form name="login-form" class="login-form" method="post">
<div class="header">
<h1>Sign In</h1>
</div>
<div class="content">
<input type="hidden" name="siteToken" value="$token" />
<input id="username" name="username" type="text" class="input username" placeholder="Username" required="required" />
<div class="user-icon"></div>
<input id="password" name="password" type="password" class="input password" placeholder="Password" required="required" />
<div class="pass-icon"></div>
</div>
<div class="footer">
<input type="submit" name="submit" value="Login" class="button" />
</div>
</form>
和Javascript
$(document).ready(function () {
$('.login-form').submit(function (e) {
e.preventDefault();
var formData = $(this).serialize();
$("input").prop("disabled", true);
$.post('VRC_LoginProcess.php', formData, loginMessage);
function loginMessage(data) {
$('.header').append(data);
}
});
});