我试图找回这是另一个port.I运行如下访问控制允许来源的错误和angular2
Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:3000' is therefore not allowed access.
我的服务我得到一个错误服务.ts文件如下提前
这些标题应该在服务器端没有客户端应用程序设置.. https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS –
有任何替代将它们设置在客户端? – sravanthi
nope ..你应该设置你的服务器端CORS –