我试图从不同的url加载值到div,当加载时,它会给我一个错误。我试着谷歌了很多次。我没有找到解决的办法。我意识到这个问题已经被问到了,但仍然没有解决我的问题。
XMLHttpRequest cannot load http://bulksms.icubetech.com/api/checkbalance.php?user=&pass=. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://www.w3schools.com' is therefore not allowed access.
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("button").click(function(){
$("#div1").load("http://bulksms.icubetech.com/api/checkbalance.php?user=&pass=");
});
});
</script>
</head>
<body>
<div id="div1"><h2>Let jQuery AJAX Change This Text</h2></div>
<button>Get External Content</button>
</body>
</html>发布于 2016-01-09 15:33:43
您从http://bulksms.icubetech.com/api/checkbalance.php获得的响应应该在其报头中包含Access-Control-Allow-Origin。
它应该是这样的:
Access-Control-Allow-Origin: yoursite.com如果不满足上述要求,您将无法通过ajax访问此站点。
或者,您可以使用代理php脚本来完成此操作。这个想法是在您自己的域中获取一个php脚本,以便与您试图访问的站点进行对话,并给出结果。这不会引起任何跨域问题,因为您的浏览器只与您自己域中的php脚本通信。下面是一个代理脚本示例。请将其更改为适合您的需要。
<?php
// Allowed hostname
define ('HOSTNAME', 'http://Your_Server/');
//returns the headers as an array
function getHeaders()
{
$headers = array();
foreach ($_SERVER as $k => $v)
{
if (substr($k, 0, 5) == "HTTP_")
{
$k = str_replace('_', ' ', substr($k, 5));
$k = str_replace(' ', '-', ucwords(strtolower($k)));
$headers[$k] = $v;
}
}
return $headers;
}
// Get the REST call path from the AJAX application
$path = $_REQUEST['path'];
$url = HOSTNAME.$path;
// Open the Curl session
$session = curl_init($url);
// If it's a POST, put the POST data in the body
if ($_POST['path']) {
$postvars = '';
while ($element = current($_POST)) {
$postvars .= key($_POST).'='.$element.'&';
next($_POST);
}
$postvars = substr($postvars, 0, -1); // removing trailing &
$postvars = str_replace('xml_version', 'xml version', $postvars); // fix xml declaration bug?
$postvars = stripslashes($postvars);
curl_setopt ($session, CURLOPT_POST, true);
curl_setopt ($session, CURLOPT_POSTFIELDS, $postvars);
}
else {
//If it's a post, but not a form post (like a SOAP request)
if ($_SERVER['REQUEST_METHOD']==='POST') {
curl_setopt ($session, CURLOPT_POST, true);
curl_setopt ($session, CURLOPT_POSTFIELDS, $HTTP_RAW_POST_DATA);
$headers = getHeaders();
$header_array = Array( "Content-Type: text/xml", "SOAPAction: " . $headers['SOAPAction']);
curl_setopt ($session, CURLOPT_HTTPHEADER, $header_array);
curl_setopt ($session, CURLOPT_CUSTOMREQUEST, "POST");
}
}
// Don't return HTTP headers. Do return the contents of the call
curl_setopt($session, CURLOPT_HEADER, false);
curl_setopt($session, CURLOPT_RETURNTRANSFER, true);
// Make the call
$xml = curl_exec($session);
// The web service returns XML. Set the Content-Type appropriately
header("Content-Type: text/xml");
echo $xml;
curl_close($session);
?>发布于 2016-01-09 15:33:31
此请求失败的原因是您试图向其发出AJAX请求的远程域没有发送正确的CORS头。因此浏览器将阻止该请求。您应该与bulksms.icubetech.com的管理员联系,以便为您自己的域显式启用CORS。
发布于 2016-01-09 15:37:12
这个问题显然与你的前端代码无关。您尝试访问的服务器应允许来自其他域的请求。在您的情况下,bulksms.icubetech.com不允许来自域www.w3schools.com的CORS请求。
https://stackoverflow.com/questions/34690865
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