我不知道为什么我的AJAX CORS不工作..如何允许跨源数据共享?
AJAX
$(document).ready(function(){
var xhr = new XMLHttpRequest();
$.ajax({
url: "SERVER_URL_AND_PARAMETERS",
type:"POST",
beforeSend:function(xhr){
xhr.setRequestHeader("Access-Control-Allow-Origin", "*");
xhr.setRequestHeader("Access-Control-Allow-Methods", "GET, POST");
},
dataType:"json",
crossDomain: true,
success:function(data, textStatus, xhr){
alert(data);
},
error:function(xhr,status,error){
alert("code:"+xhr.textStatus+"\n"+"message:"+error.responseText+"\n"+"error:"+error.log);
}
});
});
响应头
Allow:GET, HEAD, POST, PUT, DELETE, TRACE, OPTIONS
Cache-Control:no-cache="set-cookie, set-cookie2"
Connection:Keep-Alive
Content-Language:ko-KR
Content-Length:0
Content-Type:text/plain
Date:Mon, 02 Nov 2015 07:19:54 GMT
Expires:Thu, 01 Dec 1994 16:00:00 GMT
Keep-Alive:timeout=10, max=100
Set-Cookie:SOME_COOKIES; Expires=Tue, 01-Nov-16 07:19:53 GMT; Path=/
X-UA-Compatible:IE=EmulateIE8, requiresActiveX=true
请求头
Accept:*/*
Accept-Encoding:gzip, deflate, sdch
Accept-Language:en-US,en;q=0.8
Access-Control-Request-Headers:accept, access-control-allow-headers, access-control-allow-methods, access-control-allow-origin
Access-Control-Request-Method:POST
Connection:keep-alive
Host:SERVER_URL
Origin:http://CLIENT_URL
Referer:http://CLIENT_URL/AND/JSP_FILE_PATH.jsp?lineCd=CODE1&prdtCode=CODE2
User-Agent:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36
铬错误详细
MLHttpRequest cannot load SERVER_URL_AND_PARAMETER Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'CLIENT_URL' is therefore not allowed access.
我不知道我的代码有什么问题。我正在使用CLIENT_URL端Web应用程序。