Question

我尝试了here的所有建议，但获得了

xhr.getHeaderResponse（'Location'）中的
null。以下是快速代码视图：

param.async = true;
param.xhrFields = { withCredentials: true };
param.crossDomain = true,
param.processData = false;
param.headers = {
    "content-type":"application/json",
    "cache-control": "no-cache",
}

var request = $.ajax(param);

request.done(function( result,status,xhr ){
    console.log(xhr.getResponseHeader("Location"));
});

然而，运行url并通过检查请求参数，它会在响应标头中显示位置：

Cache-control: no-cache, no-store
Connection: keep-alive
Content-Length: 1403
Content-Type: text/html; charset=utf-8
Date: Wed, 23 May 2018 05:23:14 GMT
Location: https://accounts.google.com/o/oauth2/v2/auth?state=<my state code>&redirect_uri=<my redirect url>&prompt=select_account&response_type=code&client_id=<my client id>&scope=<my scope>&access_type=online
Server: nginx/1.4.6 (Ubuntu)
X-Content-Type-Options: nosniff

任何人都可以告诉我这个问题在哪里？

Answer 1

这可能是CROS的一个问题，请尝试使用纯JavaScript进行相同的XHR调用

    var xhr = new XMLHttpRequest(); 
    xhr.open('GET', "http://example.com/redirect", true);

    xhr.onreadystatechange = function () {   
      if (this.readyState == 4 && this.status == 200) {
        console.log(xhr.responseURL);   
      }
    };

    xhr.send();

jQuery-Ajax为xhr.getResponseHeader获取null（“Location”）

1 个答案: