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;
     }
}