ASP.NET实现新闻页面的分页功能[生成静态版]

//生成静态网页

             string path = Server.MapPath("~/news/" + folder + "/");

             string file_template_name = Server.MapPath("~/news/template.htm");    //新闻模版文件
             string file_template_content = "";
             StreamReader sr_reader = new StreamReader(file_template_name, Encoding.GetEncoding("gb2312"));
             file_template_content = sr_reader.ReadToEnd();
             sr_reader.Close();
             string[] subContent = FileSplit(content);
             string file_content = "";
             int pageNum = 0;
             while (pageNum < 10 && subContent[pageNum] != "" && subContent[pageNum] != null)
                 pageNum++;
             for (int index = 0; index < pageNum; index++)
             {
                 file_content = file_template_content;
                 file_content = file_content.Replace("$$category", list_department.SelectedItem.Text);     //新闻类别
                 file_content = file_content.Replace("$$title", title);                //新闻标题
                 file_content = file_content.Replace("<!--来源：$$author-->", "来源：" + author);         //作者
                 file_content = file_content.Replace("$$time", time);                      //添加时间
                 file_content = file_content.Replace("$$content", subContent[index]);        //新闻正文
                 string pageLink = "";
                 int firstPage = 0;
                //生成页码
                 if (index > 2) firstPage = index - 2;
                 for (int i1 = firstPage; i1 < index + 3 && i1 < pageNum; i1++)
                 {
                     if (i1 == index)
                         pageLink = pageLink + "[" + (index + 1) + "]" + "&nbsp; &nbsp; &nbsp; &nbsp;";
                     else pageLink = pageLink + "<a href=" + htmlfilename + i1 + ".htm>[" + (i1 + 1) + "]</a>&nbsp; &nbsp; &nbsp; &nbsp;";

                 }
                 if (index < pageNum - 1)
                     pageLink = pageLink + "<a href=" + htmlfilename + (index + 1) + ".htm>" + "下一页" + "</a>&nbsp; &nbsp; &nbsp; &nbsp;";
                 if (index > 0)
                     pageLink = "<a href=" + htmlfilename + (index - 1) + ".htm>" + "上一页" + "</a>&nbsp; &nbsp; &nbsp; &nbsp;" + pageLink;
                 file_content = file_content.Replace("<!-- $$pageLink -->", pageLink);
                 if (index == pageNum - 1&&attachment_filename != null && attachment_filename != String.Empty)
                 {
                     string[] attachment = attachment_filename.Split(new char[] { '|' });
                     string attachmenthtml = "<a href="attachment/" + attachment[0] + "" >" + attachment[0] + "</a>";
                     for (int j = 1; j < attachment.Length; j++)
                         attachmenthtml = attachmenthtml + "<br/> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<a href="attachment/" + attachment[j] + "" >" + attachment[j] + "</a>";
                     file_content = file_content.Replace("$$attachment", attachmenthtml);
                 }
                 StreamWriter sw = new StreamWriter(path + htmlfilename + index + ".htm", false, Encoding.GetEncoding("gb2312"));
                 sw.Write(file_content);
                 sw.Flush();
                 sw.Close();
             }
             HyperLink1.Text = "预览:　" + title;
             HyperLink1.NavigateUrl = "../news/" + folder + "/" + htmlfilename   + "0" + ".htm";
             HyperLink1.Visible = true;
             txt_time.Text = DateTime.Now.ToString("yyyy-MM-dd");
             txt_title.Text = "";
             txt_author.Text = "";
             FreeTextBox1.Text = "";
         }
         catch (Exception e)
         {
         }
     }
    
     //将正文分成多个页面
protected string[] FileSplit(string fileContent)
     {
         int fileIndex = 0;
         string[] splitedFile = new string[10];
         while (fileContent.Length > 1500 && fileIndex < 9)     //每页至少1500个字符
         {
             if (fileContent.IndexOf("<P>", 1500) < 0) break;
             splitedFile[fileIndex] = fileContent.Substring(0, fileContent.IndexOf("<P>", 1500));
             fileContent = fileContent.Remove(0, splitedFile[fileIndex].Length);
             fileIndex++;
         }
         splitedFile[fileIndex] = fileContent;    //超过9页,剩下部分全放第十页
         return splitedFile;
     }
}