POST内容为JSON,HTTPHeader该如何填写呢?

下文笔者讲述Java代码向第三方应用请求的参数信息为JSON时,那么此时httpHeader如何编写呢?

我们只需在请求参数的时
     指定请求的参数为 
	    application/json
     即可向指定接口中推送json数值

例:okHttp向第三方接口推送JSON数据

OKHttpClient client = new OkHttpClient().newBuilder()
  .build();
MediaType mediaType = MediaType.parse("application/json");
RequestBody body = RequestBody.create(mediaType, "{\"pageNo\":1,\r\n\"lastVersion\":6666}");
Request request = new Request.Builder()
  .url("http://192.168.8.8:8080")
  .method("POST", body)
  .addHeader("Content-Type", "application/json")
  .build();
Response response = client.newCall(request).execute();