/// <summary>
??/// 本周起止時(shí)間
??/// </summary>
??/// <param name="dt"></param>
??/// <returns></returns>
??private string weekrange(System.DateTime dt)
??{
???int weeknow = Convert.ToInt32(dt.DayOfWeek);
???int daydiff = (-1) * weeknow;
???int dayadd = 6-weeknow;
???string datebegin = System.DateTime.Now.AddDays(daydiff).ToString("yyyyMMdd");
???string dateend = System.DateTime.Now.AddDays(dayadd).ToString("yyyyMMdd");
???return datebegin + " - " +dateend;
??}

??/// <summary>
??/// 返回指定URL的源代碼
??/// </summary>
??/// <param name="url"></param>
??private string GetHTML( string url,string tag)
??{
???byte[] buf = new byte[38192];
???System.Net.WebRequest request =? WebRequest.Create(url);;
???WebResponse response =request.GetResponse();
???Stream resStream = response.GetResponseStream();
???int count = resStream.Read(buf, 0, buf.Length);
???string result = Encoding.Default.GetString(buf, 0, count);
???resStream.Close();
???Regex?? reg=new?? Regex(@"(?<"+tag+">.*?</"+tag+">)",RegexOptions.IgnoreCase);??
???string?? output=reg.Match(result).Value;
???return StripHTML(output);
??}
??/// <summary>
??/// 去除HTML標(biāo)記
??/// </summary>
??/// <param name="strHtml">包括HTML的源碼 </param>
??/// <returns>已經(jīng)去除后的文字</returns>
??public static string StripHTML(string strHtml)
??{
???string [] aryReg ={
????????? @"<script[^>]*?>.*?</script>",

????????? @"<(///s*)?!?((/w+:)?/w+)(/w+(/s*=?/s*(([""'])(file://[""'tbnr]|[^/7])*?/7|/w+)|.{0})|/s)*?(///s*)?>",
????????? @"([/r/n])[/s]+",
????????? @"&(quot|#34);",
????????? @"&(amp|#38);",
????????? @"&(lt|#60);",
????????? @"&(gt|#62);",
????????? @"&(nbsp|#160);",
????????? @"&(iexcl|#161);",
????????? @"&(cent|#162);",
????????? @"&(pound|#163);",
????????? @"&(copy|#169);",
????????? @"&#(/d+);",
????????? @"-->",
????????? @"<!--.*/n"
????????
???????? };

???string [] aryRep = {
?????????? "",
?????????? "",
?????????? "",
?????????? "/"",
?????????? "&",
?????????? "<",
?????????? ">",
?????????? " ",
?????????? "/xa1",//chr(161),
?????????? "/xa2",//chr(162),
?????????? "/xa3",//chr(163),
?????????? "/xa9",//chr(169),
?????????? "",
?????????? "/r/n",
?????????? ""
????????? };

???string newReg =aryReg[0];
???string strOutput=strHtml;
???for(int i = 0;i<aryReg.Length;i++)
???{
????Regex regex = new Regex(aryReg[i],RegexOptions.IgnoreCase );
????strOutput = regex.Replace(strOutput,aryRep[i]);
???}

???strOutput.Replace("<","");
???strOutput.Replace(">","");
???strOutput.Replace("/r/n","");

???return strOutput;
??}