问本地服务器中的角2交叉Doamin调用无法工作。

EN

getApplications() {
        let headers = new Headers();
        headers.append('Content-Type', 'application/json');
        headers.append('cache-control', 'no-cache');
        headers.append('Access-Control-Allow-Origin', '*');

        return this.http.post('http://localhost:3003/applications/list', {}, {})
            .map(res => res.json());
}

var request = require("request");

var options = { 
  method: 'POST',
  url: 'http://localhost:3003/application/list',
  headers: 
   {
     'cache-control': 'no-cache',
     'content-type': 'application/json' 
   } 
 };

request(options, function (error, response, body) {
  if (error) throw new Error(error);

  console.log(body);
});