using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;

namespace Zxd.Crm.Domain.Config
{
    public static class Utility
    {
        /// <summary>
        /// 获取数据
        /// </summary>
        /// <param name="url"></param>
        /// <param name="encoding"></param>
        /// <returns></returns>
        public static string GetData(string Url, string RequestPara, IDictionary<string, string> headers, Encoding encoding, int timeout = 5000)
        {
            RequestPara = RequestPara.IndexOf('?') > -1 ? (RequestPara) : ("?" + RequestPara);

            WebRequest hr = HttpWebRequest.Create(Url + RequestPara);

            byte[] buf = encoding.GetBytes(RequestPara);
            hr.Method = "GET";
            hr.Timeout = timeout;
            foreach (var item in headers)
            {
                hr.Headers.Add(item.Key, item.Value);
            }
            System.Net.WebResponse response = hr.GetResponse();
            StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8"));
            string ReturnVal = reader.ReadToEnd();
            reader.Close();
            response.Close();

            return ReturnVal;
        }
        /// <summary>        
        /// 时间戳转为C#格式时间        
        /// </summary>        
        /// <param name=”timeStamp”></param>        
        /// <returns></returns>        
        public static DateTime ConvertStringToDateTime(string timeStamp)
        {
            DateTime dtStart = TimeZone.CurrentTimeZone.ToUniversalTime(new DateTime(1970, 1, 1));
            long lTime = long.Parse(timeStamp + "0000");
            TimeSpan toNow = new TimeSpan(lTime);
            return dtStart.Add(toNow);
        }
    }
}