OKHTTP

@Test
public  void test1(){
    try {
        OkHttpClient ok = new OkHttpClient();
        RequestBody requestBody = new FormBody.Builder()
                .add("sfsf","fdsfs")
                .build();
        Request rs2 = new Request.Builder().url("https://api.fastadmin.net/").post(requestBody).build();
        Request re = new Request.Builder().url("https://api.fastadmin.net/").build();
        Response rs = ok.newCall(re).execute();
        String responseData = rs.body().string();
        System.out.println(responseData);
    }
    catch (Exception ex){
        System.out.println(ex);
    }