Question

我正在使用btford.socket-io，并尝试与节点通话。

工作正常，但是在我从localhost：5000更改为example.org之后没有，如下所示：

.factory('socket',function(socketFactory){
     //working
     var myIoSocket = io.connect('http://localhost:5000');
     //not working
     var myIoSocket = io.connect('http://example.org:5000');

      mySocket = socketFactory({
        ioSocket: myIoSocket
      });

    return mySocket;
})

我在控制台中出现此错误

XMLHttpRequest cannot load http://example.com:5000/socket.io/?EIO=3&transport=polling&t=LIGH5VO. A wildcard '*' cannot be used in the 'Access-Control-Allow-Origin' header when the credentials flag is true. Origin 'http://localhost:8100' is therefore not allowed access. The credentials mode of an XMLHttpRequest is controlled by the withCredentials attribute.
:8100/#/app/completed:1 XMLHttpRequest cannot load http://example.com:5000/socket.io/?EIO=3&transport=polling&t=LIGH7BS. A wildcard '*' cannot be used in the 'Access-Control-Allow-Origin' header when the credentials flag is true. Origin 'http://localhost:8100' is therefore not allowed access. The credentials mode of an XMLHttpRequest is controlled by the withCredentials attribute.

我还尝试在我的快递中使用this npm设置cors({origin:"*"})，但没有运气。

Answer 1

关于这个A wildcard '*' cannot be used in the 'Access-Control-Allow-Origin' header when the credentials flag is true.

将允许来源设置为固定域将解决此问题，目前，如果我不弄错，http://example.org:5000。我相信你应该包括端口号。

我不清楚理解为什么你有头文件凭证。

奇怪的cors问题与套接字io

1 个答案: