Java原生的Http网络框架，底层基于HttpNet，动态代理+构建的!

compile 'com.haibin:elegant:1.1.9'

public interface LoginService {
     
    //普通POST
    @Headers({"Cookie:cid=adcdefg;"})
    @POST("api/users/login")
    Call<BaseModel<User>> login(@Form("email") String email,
                                @Form("pwd") String pwd,
                                @Form("versionNum") int versionNum,
                                @Form("dataFrom") int dataFrom);

    // 上传文件                           
    @POST("action/apiv2/user_edit_portrait")
    @Headers("Cookie:xxx=hbbb;")
    Call<String> postAvatar(@File("portrait") String file);

    
    //JSON POST
    @POST("action/apiv2/user_edit_portrait")
    @Headers("Cookie:xxx=hbbb;")
    Call<String> postJson(@Json String file);
    
    //PATCH
    @PATCH("mobile/user/{uid}/online")
    Call<ResultBean<String>> handUp(@Path("uid") long uid);
}

public static final String API = "http://www.oschina.net/";
public static Elegant elegant = new Elegant();

static {
    elegant.registerApi(API);
}

LoginService service = elegant.from(LoginService.class)
                              .login("xxx@qq.com", "123456", 2, 2);
                              .withHeaders(Headers...)
                              .execute(new CallBack<BaseModel<User>>() {
                                      @Override
                                      public void onResponse(Response<BaseModel<User>> response) {
                
                                      }

                                      @Override
                                      public void onFailure(Exception e) {

                                      }                               });