登录页面AJAX重定向不起作用
[英]Login page AJAX redirect doesnt work
问题描述
I use php with ajax. 
我用ajax使用php。
<?php
/*
* Suppose, user has entered both correct login and password
* then server response is TO **REDIRECT** to profile page
*
/
header('location:/');
/*
*
* print <<<HTML
<scrpit> window . location = '/profile.php';</script>
HTML;
* also doesnt work
**/
?>
The problem is that it does redirect, but leaves part of authorization page, and the result = is mixed profile + auth page 问题是它确实重定向，但保留了部分授权页面，结果=混合配置文件+ auth页面
2 个解决方案
解决方案1
1 已采纳 2012-03-30 00:32:34
When using AJAX, redirecting using header() will not work. 使用AJAX时，使用header()重定向将不起作用。
This is what will happen: 这将是会发生的事情：
- Request is sent to your PHP page. 请求将发送到您的PHP页面。
- You send back a redirect header with location. 您发回一个带位置的重定向标题。
- Browser fetches the redirected page. 浏览器获取重定向的页面。
- Contents of the redirected page is then passed to your XMLHttpRequest object. 然后将重定向页面的内容传递给XMLHttpRequest对象。
What you need to do is: 你需要做的是：
- Determine if the request is ajax by checking to see if
$_SERVER['HTTP_X_REQUESTED_WITH']has the value ofxmlhttprequest.通过检查$_SERVER['HTTP_X_REQUESTED_WITH']是否具有xmlhttprequest的值来确定请求是否为ajax。 Most JS libraries will send this.大多数JS库都会发送这个。 - If it is not AJAX, redirect using
header('Location: /')如果它不是AJAX，则使用header('Location: /')重定向header('Location: /') - If it is AJAX, send back a JSON response with a location and status code for your javascript part to redirect, or
echo('location.replace("\\")');如果是AJAX，请发回JSON响应，其中包含javascript部分的位置和状态代码以重定向或echo('location.replace("\\")');
解决方案2
1 2012-03-30 00:51:35
If you are using AJAX call to the page as written above, using both header() and JavaScript to redirect won't work. 如果您正如上面所写使用AJAX调用页面，则使用header()和JavaScript重定向将不起作用。 You need to use javascript in order to redirect page. 您需要使用javascript才能重定向页面。 Sample codes: 示例代码：
<?php
/**
* Suppose, user has entered both correct login and password
* then server response is TO **REDIRECT** to profile page
*/
// define login is false by default
$response = array();
response['Success'] = false;
// use if-condition to check if succeeded
// then assign it to true like this
response['Success'] = true;
die( json_encode($response) );
?>
// Javascript Code:
// You must decode it first since it's json
// Assuming that `theResponse` is the message callback
var responseStr = JSON.parse( theResponse );
if ( responseStr.Success ){
location.href = 'profile.php';
}else {
// show some message
}
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