[英]XMLHttpRequest has been blocked by CORS policy: Request header field content-type is not allowed by Access-Control-Allow-Headers in preflight response
[英]Safari fails XMLHttpRequest (POST) with ' Request header field Content-Type is not allowed by Access-Control-Allow-Headers'
我只是想使用httpbin來測試XMLHttpRequests。
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<body>
<script type="text/javascript">
(function() {
var xhrToCheck = new window.XMLHttpRequest();
xhrToCheck.open("POST", "http://httpbin.org/post");
xhrToCheck.onreadystatechange = function() {
if(this.readyState === 4) {
console.log(this);
}
};
xhrToCheck.send("post test");
})();
</script>
</body>
</html>
什么有效:
我得到的錯誤:
[Error] Failed to load resource: Request header field Content-Type is not allowed by Access-Control-Allow-Headers. (post, line 0)
[Error] XMLHttpRequest cannot load http://httpbin.org/post. Request header field Content-Type is not allowed by Access-Control-Allow-Headers. (index.html, line 0)
對於為什么發生此問題的任何幫助,將不勝感激!
編輯:對不起,我想我的主要問題是1)我該如何解決此問題,以便野生動物園的POST請求不會引發錯誤
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