C#实现中国天气网JSON接口测试

using System;
using System.Text;
using Newtonsoft.Json;
using System.Net;
using System.IO;
using Newtonsoft.Json.Linq;

namespace JsonInterfaceTest
{
    class Program
    {
        static void Main(string[] args)
        {
            test(101010100);
        }

        private static void test(int interfaceNumber)
        {
            string url = "http://www.weather.com.cn/adat/cityinfo/" + interfaceNumber + ".html";
            string localContent = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory) + @"\test.txt";
            try
            {
                WebClient MyWebClient = new WebClient();
                Byte[] pageData = MyWebClient.DownloadData(url);
                string pageHtml = Encoding.UTF8.GetString(pageData);
                using (StreamWriter sw = new StreamWriter(localContent))
                {
                    sw.WriteLine(pageHtml);
                }
                //JObject jObj = JObject.Parse(pageHtml);
                JObject jObj = JsonConvert.DeserializeObject(pageHtml) as JObject;
                Console.WriteLine(jObj.ToString());
                ReadJson(jObj);
                Console.ReadLine();
            }
            catch (WebException webEx)
            {
                Console.WriteLine(webEx.Message.ToString());
            }
        }

        private static void ReadJson(JObject jObj)
        {
            foreach (var o in jObj)
            {
                Console.Write(o.Key+":");
                if (o.Value is JObject)
                {
                    Console.WriteLine();
                    ReadJson(JsonConvert.DeserializeObject(o.Value.ToString()) as JObject);
                }
                else
                {
                    Console.WriteLine(o.Value);
                }
            }
        }
    }
}