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 程式師世界 >> 編程語言 >> .NET網頁編程 >> .NET實例教程 >> .NET新聞發布生成靜態頁面並實現分頁

.NET新聞發布生成靜態頁面並實現分頁

編輯:.NET實例教程


 1、靜態模板頁面 template.Html,主要是定義了一些特殊字符,用來被替換。

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/Html4/loose.dtd">
<Html>
<head>
<meta http-equiv="Content-Type" content="text/Html; charset=gb2312">
<title>$Title</title>
</head>
<body>
     <div align="center">
         <br />
     $Title</div>
     <div >
         浏覽<font color="red"><script src="http://localhost/.Net/NewsFiles/ClickCount.ASPx?NewsId=$NewsId"></script></font>次   $Time</div>
     <div >
         $Content</div>
     <div >
         $Pager</div>
     <div >
     <form id="form1" action="../AddComment.ASPx" >
         <input id="Text1" type="text" /><Img id="Image1" src="../../UserInfo/CheckCode.ASPx"/><br />
         <textarea   id="CommentContent" cols="20" rows="2"></textarea>
         <br />
         <input id="NewsId" type="hidden" value="$NewsId"/>
         <input id="Button1" type="submit" value="button" />
         <a href="../Display.ASPx?NewsId=$NewsId">查看更多評論</a></form>
         </div>
</body>
</Html>

2、前態頁面 NewsAdd.ASPx,就是一個表單,用來填寫新聞的標題和內容。

<%...@ Page Language="C#" AutoEventWireup="false" validateRequest="false" CodeFile="NewsAdd.ASPx.cs" Inherits="NewsAdd.Admin_AdminPanel_NewsAdd" %>
<%...@ Register TagPrefix="FCKeditorV2" Namespace="FredCK.FCKeditorV2" Assembly="FredCK.FCKeditorV2" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xHtml1-transitional.dtd">

<html XMLns="http://www.w3.org/1999/xHtml" >
<head runat="server">
     <title>添加新聞</title>
</head>
<body>
     <form id="form1" runat="server">
     <div>
         <ASP:Label ID="Label2" runat="server" Text="標題"></as
p:Label>
         <asp:TextBox ID="Title" runat="server" Width="325px"></ASP:TextBox><br />
         <asp:Label ID="Label1" runat="server" Text="內容"></ASP:Label>
     <FCKeditorV2:FCKeditor id="Content" basePath="~/FCKeditor/"   runat="server" Height="400px" Width="70%"></FCKeditorV2:FCKeditor>
         <ASP:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" />
         <asp:Label ID="Message" runat="server" ></ASP:Label></div>
     </form>
</body>
</Html>

 

3、後台頁面 NewsAdd.ASPx.cs

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using MySQLserver;
using System.IO;
using System.Text;
namespace NewsAdd
...{
     public partial class Admin_AdminPanel_NewsAdd : System.Web.UI.Page
     ...{
         protected void Page_Load(object sender, EventArgs e)
         ...{

         }
         protected void Button1_Click(object sender, EventArgs e)
         ...{
             string strDate = DateTime.Now.ToString("yyMMdd") + "\" + DateTime.Now.ToString("yyyymmddhhmmss");
             string strFileName = strDate + ".sHtml";//存儲到數據庫中
             string strTitle=Request.Form["Title"].ToString().Trim();//接收傳過來的標題
             string strContent=Request.Form["Content"].ToString().Trim();//接收傳過來的內容
             string[] content = strContent.Split(new Char[] ...{'|'});//對內容進行拆分,並保存到數組
             int upbound = content.Length;//數組的上限
             SqlServerDataBase db = new SqlServerDataBase();
             bool success = db.Insert("insert into inNews(Title,Content,FilePath)values('" + strTitle + "','" + strContent + "','" + strFileName + "')", null);
          //if (success)
                // Message.Text = "添加成功!";
             /**////////////////////////////創建當前日期的文件夾開始
             string dir = Server.MapPath("../../"+"NewsFiles/"+DateTime.Now.ToString("yyMMdd"));//用來生成文件夾
             if (!Directory.Exists(dir))
             ...{
                 Directory.CreateDirectory(dir);
             }
             /**////////////////////////////創建當前日期的文件夾結束
             try
             ...{
             for (int i = 0; i < content.Length; i++)
             ...{
             //string[] newContent = new string[4];//定義和Html標記數目一致的數組
             StringBuilder strHtml = new StringBuilder();

                 //創建StreamReader對象
                 using (StreamReader sr = new StreamReader(Server.MapPath("../../" + "NewsFiles/") + "\template.Html",Encoding.GetEncoding("gb2312")))
                 ...{
                     String oneline;
                     //讀取指定的Html文件模板
                     while ((oneline = sr.ReadLine()) != null)
                     ...{
                         strHtml.Append(oneline);
                     }
               sr.Close();
                 }

             //為標記數組賦值
             //SqlServerDataBase db = new SqlServerDataBase();
             DataSet ds = db.Select("select top 1 NewsId from inNews order by NewsId desc", null);//獲取id
             string strTable = "<table><tr><td>$upUrl</td><td>$Number</td><td>$downUrl</td></tr></table>";//上下頁表格,注意此處的$upUrl(上一頁),$Number(頁碼分頁),$downUrl(下一頁)
             //這三個是用來替換的。

                 string FilePath="";
                 strhtml = strHtml.Replace("$Title", strTitle);
                 strhtml = strHtml.Replace("$NewsId", ds.Tables[0].Rows[0]["NewsId"].ToString());
                 strhtml = strHtml.Replace("$Time", DateTime.Now.ToString("yyyy/MM/dd"));
                 strhtml = strHtml.Replace("$Content", content[i]);
                 string strNumber = "";//數字分頁1,2,3……
                 for (int m = 1; m <=upbound; m++)
                 ...{
                     if (m == 1)//如果是第一頁就顯示成這個樣子:20070524.shtml而不是20070524_1.sHtml
                         strNumber = strNumber + " ["+"<a href=" + "../" + strDate + ".sHtml" + ">" + m + "</a>"+"] ";
                     else
                     ...{
                         int n = m - 1;//第三頁的連接應該是20070524_2.sHtml,以此類推
      strNumber = strNumber + " [" +"<a href=" + "../" + strDate + "_" + n + ".sHtml" + ">" +   m + "</a>"+"] ";
                     }
                 }
                     if (upbound == 0)//如果沒有分頁,就直接按日期時間保存
                     ...{
                         FilePath = Server.MapPath("../../") + "NewsFiles" + "//" + strDate + ".sHtml";
                         strhtml = strHtml.Replace("$Pager", "");
                     }
                     else//否則按20070524.shtml、20070524_1.sHtml 這種效果保存
                     ...{
                         if (i == 0)
                             FilePath = Server.MapPath("../../") + "NewsFiles" + "//" + strDate + ".sHtml";
                         else
                             FilePath = Server.MapPath("../../") + "NewsFiles" + "//" + strDate + "_" + i + ".sHtml";
                        
                         if (i == 0)//第一頁不顯示上一頁
                             strTable = strTable.Replace("$upUrl", "");

     &n
bsp;                   if (i <= 1)//上一頁分頁
                             strTable = strTable.Replace("$upUrl", "<a href=" + "../" + strDate + ".sHtml" + ">上一頁</a>");
                         else
                         ...{
                             int p = i - 1;
                             strTable = strTable.Replace("$upUrl", "<a href=" + "../" + strDate + "_" + p + ".sHtml" + ">上一頁</a>");
                         }
                        
                         if(upbound==1)//如果只有一頁,則不顯示頁碼
                         //strNumber="";
                         strTable = strTable.Replace("$Number", "");
                         else
                         strTable = strTable.Replace("$Number", strNumber);//頁碼替換
                         /**/////////////////////////
                         if(i==upbound-1)//最後一頁不顯示下一頁
                             strTable = strTable.Replace("$downUrl", "");

       &n
bsp;                 if (i != upbound - 1)//下一頁分頁
                         ...{
                             int q = i + 1;
                             strTable = strTable.Replace("$downUrl", "<a href=" + "../" + strDate + "_" + q + ".sHtml" + ">下一頁</a>");
                         }
                         else
                         ...{
                             int j = upbound - 1;
                             strTable = strTable.Replace("$downUrl", "<a href=" + "../" + strDate + "_" + j + ".sHtml" + ">下一頁</a>");
                         }

                         strhtml = strHtml.Replace("$Pager", strTable);
                     }
                 //創建文件信息對象--------------------------------------------
                 FileInfo finfo = new FileInfo(FilePath);
                 //以打開或者寫入的形式創建文件流
                 using (FileStream fs = finfo.OpenWrite())
                 ...{
                     //根據上面創建的文件流創建寫數據流
   &n
bsp;                 StreamWriter sw = new StreamWriter(fs, System.Text.Encoding.Default);
                     //把新的內容寫到創建的Html頁面中
                     sw.WriteLine(strHtml);
                     sw.Flush();
                     sw.Close();
                 }
             }
         }
         catch (Exception err)
         ...{
             //輸出異常信息
             Response.Write(err.ToString());
         }
         }
}
}


  

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