ASP.NET实现新闻页面的分页功能[生成静态版]

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;

     }