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  • 下班前网上搜集的方法哈哈

    //求当是第几周   
    private int WeekOfYear(string date)
        {
            DateTime curDay = Convert.ToDateTime(date);

            int firstdayofweek = Convert.ToInt32(Convert.ToDateTime(curDay.Year.ToString() + "-" + "1-1").DayOfWeek);

            int days = curDay.DayOfYear;
            int daysOutOneWeek = days - (7 - firstdayofweek);

            if (daysOutOneWeek <= 0)
            {
                return 1;
            }
            else
            {
                int weeks = daysOutOneWeek / 7;
                if (daysOutOneWeek % 7 != 0)
                    weeks++;

                return weeks + 1;
            }
        }

        #region 远程抓取页面
        /// <summary>
        /// 远程抓取页面
        /// </summary>
        /// <param name="url">页面地址</param>
        /// <returns>HTML流</returns>
        public static string GetPage(string url)
        {
            HttpWebResponse _result = null;
            string _outPutString = "";

            try
            {
                HttpWebRequest _req = (HttpWebRequest)WebRequest.Create(url);

                _result = (HttpWebResponse)_req.GetResponse();

                StreamReader _receiveStream = new StreamReader(_result.GetResponseStream(), Encoding.Default);

                try
                {
                    _outPutString = _receiveStream.ReadToEnd();
                }
                catch
                {
                    return "";
                }

                return _outPutString;
            }
            catch
            {
                return "";
            }
            finally
            {
                if (_result != null)
                {
                    _result.Close();
                }
            }
        }
        #endregion

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  • 原文地址:https://www.cnblogs.com/skyblue/p/851058.html
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