kami_itunes_june/AppleBatch_June.Domain/NationalData.cs

using System.Collections.Generic;
using System.Net;
using System.Web.Script.Serialization;
using AppleBatch_June.Model;
using DotNet.Utilities;

namespace AppleBatch_June.Domain
{
	public class NationalData
	{
		private static string nationJson = string.Empty;

		public List<NationalList> getMation()
		{
			if (nationJson == string.Empty)
			{
				HttpResult html = new HttpHelper().GetHtml(new HttpItem
				{
					URL = "https://teluns-api.oss-cn-shenzhen.aliyuncs.com/nation.json",
					Timeout = 8000
				});
				if (html.StatusCode == HttpStatusCode.OK)
				{
					nationJson = html.Html;
				}
			}
			if (nationJson != string.Empty)
			{
				return new JavaScriptSerializer().Deserialize<List<NationalList>>(nationJson);
			}
			return new List<NationalList>();
		}
	}
}