javascript ajax如何解决跨域问题
声明：本页面是StackOverFlow热门问题的中英对照翻译，遵循CC BY-SA 4.0协议，如果您需要使用它，必须同样遵循CC BY-SA许可，注明原文地址和作者信息，同时你必须将它归于原作者（不是我）：StackOverFlow
原文地址: http://stackoverflow.com/questions/26752069/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
how to solve cross domain in ajax
提问by ???
I want to solve my AJAX cross domain problem. This is the error message I receive in Chrome:
我想解决我的 AJAX 跨域问题。这是我在 Chrome 中收到的错误消息：
XMLHttpRequest cannot load http://'myaddress'/TEST/user/login/testuserid . Request header field Access-Control-Allow-Origin is not allowed by Access-Control-Allow-Headers.
XMLHttpRequest 无法加载 http://'myaddress'/TEST/user/login/testuserid 。Access-Control-Allow-Headers 不允许请求头字段 Access-Control-Allow-Origin。
this is my source code
这是我的源代码
$.ajax({
crossDomain : true,
dataType : "json",
url: fullUrl,
method: method,
headers:headers,
data: body,
success: function(data, state, res){
if (data == null)
data = '';
console.log( '[[[[[[[[SUCCESS!!]]]]]]] url: ' + url + ', state:' + state + ', data : ' + JSON.stringify( data ) );
callback(data, state, res);
},
error: function(data, state){
if ( data == null )
data = '';
console.log( '[[[[[[[[[ERROR!!]]]]]]]]] url: ' + url + ', s tate:' + state + ', data : ' + JSON.stringify( data ) );
callback(data, state, null);
}
});
Servlet code for cross Domain
跨域的Servlet代码
httpRes.setHeader("Access-Control-Allow-Origin", "*");
httpRes.setHeader("Access-Control-Allow-Methods", "GET,PUT,POST,DELETE");
httpRes.setHeader("Access-Control-Allow-Headers", "*");
采纳答案by Apul Gupta
You need to use JSONPto make CROSS DOMAIN Requests.
您需要使用JSONP来制作CROSS DOMAIN Requests.
Please read:
请阅读：
Loading cross domain endpoint with jQuery AJAX
