//根据Url地址生成静态页保持 protected void Button2_Click(object sender, EventArgs e) {   Encoding code = Encoding.GetEncoding("utf-8");             StreamReader sr = null;             StreamWriter sw = null;             string str = null;             //读取远程路径             WebRequest temp = WebRequest.Create(txtUrl.Text.Trim());             WebResponse myTemp = temp.GetResponse();             sr = new StreamReader(myTemp.GetResponseStream(), code);             //读取             try             {                 sr = new StreamReader(myTemp.GetResponseStream(), code);                 str = sr.ReadToEnd();             }             catch (Exception ex)             {                 throw ex;             }             finally             {                 sr.Close();             }             string fileName = DateTime.Now.ToString("yyyyMMddHHmmss") + ".htm";             //写入             try             {                 sw = new StreamWriter(Server.MapPath("htm/") + fileName, false, code);                 sw.Write(str);                 sw.Flush();             }             catch (Exception ex)             {                 throw ex;             }             finally             {                 sw.Close();                 Response.Write("恭喜<a href=htm/" + fileName + " target=_blank>" + fileName + "</a>已经生成，保存在htm文件夹下！");             }         }