用C#实现http协议的接口接收数据demo程序

Question

我有一个预警消息接收调用的文档，需要实现接口数据调用和返回。请见下面的文档。需要用C#做一个demo程序。

http://101.43.218.219/DouyinTestB/1002.htm

Answer 1

参考GPT和自己的思路：以下是使用C#实现http协议的接口接收数据的示例程序：

using System;
using System.Net;
using System.IO;
using System.Text;
using System.Web.Script.Serialization;

namespace HttpPostExample
{
    class Program
    {
        static void Main(string[] args)
        {
            string url = "http://112.124.23.63:1888/ai/message";

            string jsonString = "{\"rtspUrl\":\"rtsp://192.168.2.77:11100/live\",\"boxId\":\"80\",\"type\":\"11\",\"typeName\":\"禁区闯入\",\"boxName\":\"加油站\",\"deviceName\":\"卸油区\",\"GBID\":\"60082006\",\"deviceId\":\"exghlou346lk\",\"indexCode\":\"2850063219\",\"enterName\":\"xx科技\",\"enterCode\":\"3006259\",\"signBigAvatar\":\"09xgb…xcv12\",\"signAvatar\":\"09xgb…xcv12\",\"signTime\":\"2022-12-05 15：12：03\",\"channelNo\":\"83\",\"x\":\"62\",\"y\":\"500\",\"w\":\"180\",\"h\":\"89\",\"messagerType\":\"\",\"eBike\":\"1\",\"smoke\":\"1\",\"fire\":\"1\",\"isExist\":\"1\",\"ext\":\"1\",\"tanker\":\"2\",\"sudire\":\"2\",\"fireControl\":\"2\",\"cover\":\"2\",\"licensePlateNumber\":\"皖AA82G7\",\"illegalParking\":\"1\",\"age\":\"28\",\"gender\":\"0\",\"glasses\":\"1\",\"mask\":\"1\"}";

            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "POST";
            request.ContentType = "application/json";

            byte[] byteArray = Encoding.UTF8.GetBytes(jsonString);
            request.ContentLength = byteArray.Length;

            using (Stream streamWriter = request.GetRequestStream())
            {
                streamWriter.Write(byteArray, 0, byteArray.Length);
            }

            try
            {
                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                StreamReader reader = new StreamReader(response.GetResponseStream());
                string responseString = reader.ReadToEnd();
                Console.WriteLine(responseString);
            }
            catch (WebException ex)
            {
                Console.WriteLine("An error occurred: " + ex.Message);
            }

            Console.ReadLine();
        }
    }
}

用HttpWebRequest对象创建了一个POST请求，设置了Content-Type为"application/json"，并将JSON字符串写入请求流中。接下来，我们发送请求并等待响应。最后，我们从响应流中读取响应字符串并将其打印到控制台上。

值得注意的是，在此示例程序中，我们将JSON字符串硬编码为一个C#字符串。在实际应用中，你需要根据具体情况动态生成JSON字符串，例如使用JSON库（例如Json.NET）或JavaScriptSerializer类来序列化C#对象为JSON字符串。