okhttp post form表单

         OkHttpClient okHttpClient = new OkHttpClient.Builder().build();
         FormBody formBody = new FormBody.Builder()
                 .add("method","applyLimiteUpdate")
                 .build();

         Request request = new Request.Builder()
                 .url("http://1.1.1.1/main.htm")
                 .post(formBody)
                 .build();

         Response response = okHttpClient.newCall(request).execute();
         System.out.println(response.toString());