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asp.net生成html並分頁

Posted on 2009-01-14 13:44  linFen  阅读(3144)  评论(0编辑  收藏  举报

test.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 System.Text;
using System.IO;
using netpublic;
public partial class NewsAdd : System.Web.UI.Page
{
    publiccsd dd = new publiccsd();
    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";                    //存储到数据库中
        string strTitle=Request.Form["Title"].ToString().Trim();    //接收传过来的标题
        string strContent=Request.Form["Content"].ToString().Trim(); //接收传过来的内容
        string[] content = strContent.Split(new Char[]{'|'});        //对内容进行拆分,并保存到数组
        int upbound = content.Length;                                //数组的上限

        /**/////创建当前日期的文件夹开始
        string dir = Server.MapPath("~/~/" + "NewsFiles/" + DateTime.Now.ToString("yyMMdd"));  //用来生成文件夹
        if (!Directory.Exists(dir))
        {
            Directory.CreateDirectory(dir);
        }
        try
        {
            for (int i = 0; i < content.Length; i++)
            {
                //string[] newContent = new string[4];//定义和html标记数目一致的数组
                StringBuilder strhtml = new StringBuilder();
                using (StreamReader sr = new StreamReader(Server.MapPath("") + "\\template.html"))
                {
                    String oneline = "";
                    //读取指定的HTML文件模板
                    while ((oneline = sr.ReadLine()) != null)
                    {
                        strhtml.Append(oneline);
                    }
                    sr.Close();
                }
                //为标记数组赋值
                //SqlServerDataBase db = new SqlServerDataBase();
                DataSet ds =dd.ds("select  id from issue_content where id=75 order by id desc");//获取id
                //上下页表格,注意此处的$upUrl(上一页),$Number(页码分页),$downUrl(下一页)
                string strTable = "<table><tr><td>$upUrl</td><td>$Number</td><td>$downUrl</td></tr></table>";
                //这三个是用来替换的。
                string FilePath = "";
                strhtml = strhtml.Replace("$Title", strTitle);
                strhtml = strhtml.Replace("$NewsId", ds.Tables[0].Rows[0]["id"].ToString());
                strhtml = strhtml.Replace("$Time", DateTime.Now.ToString("yyyy/MM/dd"));
                strhtml = strhtml.Replace("$Content", content[i]);
                string strNumber = "";//数字分页1,2,3……
                for (int m = 1; m <= upbound; m++)
                {
                    if (m == 1)//如果是第一页就显示成这个样子:20070524.shtml而不是20070524_1.shtml
                    {
                        strNumber = strNumber + " [" + "<a href=" + "" + strDate + ".shtml" + ">" + m + "</a>" + "] ";
                    }
                    else
                    {
                        int n = m - 1;//第三页的连接应该是20070524_2.shtml,以此类推
                        strNumber = strNumber + " [" + "<a href=" + "" + strDate + "_" + n + ".shtml" + ">" + m + "</a>" + "] ";
                    }
                }
         
                if (upbound == 0)//如果没有分页,就直接按日期时间保存
                {
                    FilePath = Server.MapPath("~/~/") + "NewsFiles" + "//" + strDate + ".shtml";
                    strhtml = strhtml.Replace("$Pager", "");
                }
                else//否则按20070524.shtml、20070524_1.shtml 这种效果保存
                {
                    //Response.Write("<script>alert('" +i.ToString() + "')</script>");
                    if (i == 0)
                        FilePath = Server.MapPath("~/~/") + "NewsFiles" + "//" + DateTime.Now.ToString("yyMMdd")+"//"+ strDate + ".shtml";
                    else
                        FilePath = Server.MapPath("~/~/") + "NewsFiles" + "//" + DateTime.Now.ToString("yyMMdd") + "//" + strDate + "_" + i + ".shtml";
                    if (i == 0)//第一页不显示上一页
                        strTable = strTable.Replace("$upUrl", "");
                    if (i <= 1)//上一页分页
                        strTable = strTable.Replace("$upUrl", "<a href=" + "" + strDate + ".shtml" + ">First Page</a>");
                    else
                    {
                        int p = i - 1;
                        strTable = strTable.Replace("$upUrl", "<a href=" + "" + strDate + "_" + p + ".shtml" + "First Page</a>");
                    }
                    if (upbound == 1)//如果只有一页,则不显示页码
                        //strNumber="";
                        strTable = strTable.Replace("$Number", "");
                    else
                        strTable = strTable.Replace("$Number", strNumber);//页码替换
                    if (i == upbound - 1)//最后一页不显示下一页
                        strTable = strTable.Replace("$downUrl", "");
                    if (i != upbound - 1)//下一页分页
                    {
                        int q = i + 1;
                        strTable = strTable.Replace("$downUrl", "<a href=" + "" + strDate + "_" + q + ".shtml" + ">next Page</a>");
                    }
                    else
                    {
                        int j = upbound - 1;
                        strTable = strTable.Replace("$downUrl", "<a href=" + "" + strDate + "_" + j + ".shtml" + ">next Page</a>");
                    }
                    strhtml = strhtml.Replace("$Pager", strTable);
                }
                //创建文件信息对象--------------------------------------------
                FileInfo finfo = new FileInfo(FilePath);
                //以打开或者写入的形式创建文件流
                using (FileStream fs = finfo.OpenWrite())
                {
                    //根据上面创建的文件流创建写数据流
                    StreamWriter sw = new StreamWriter(fs, System.Text.Encoding.Default);
                    //把新的内容写到创建的HTML页面中
                    sw.WriteLine(strhtml);
                    sw.Flush();
                    sw.Close();
                }
            }
        }
        catch (Exception err)
        {
            //输出异常信息
            Response.Write(err.ToString());
        }
    }
}
===============================================================

<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="test.aspx.cs" Inherits="NewsAdd" %>

<!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 id="Head1" runat="server">
    <title>添加新闻</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Label ID="Label2" runat="server" Text="标题"></asp:Label>
        <asp:TextBox ID="Title" runat="server" Width="325px"></asp:TextBox><br />
        <asp:Label ID="Label1" runat="server" Text="内容"></asp:Label>
    <asp:TextBox ID="Content" runat="server" Height="394px" TextMode="MultiLine" Width="574px"></asp:TextBox>
        <br />
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="提交" />
        <asp:Label ID="Message" runat="server" ></asp:Label></div>
    </form>
</body>
</html>

=======================================================================

template.html

=========================================================================

<!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 style="width: 885px; height: 54px" align="center">
        <br />
    $Title</div>
    &nbsp;
    <div style="width: 882px; height: 8px">
       brows<font color="red"><script src="http://localhost/.Net/NewsFiles/ClickCount.aspx?NewsId=$NewsId"></script></font>次  $Time</div>
    <div style="width: 883px; height: 100px">
        $Content</div>
    <div style="width: 416px; height: 9px">
        $Pager</div>
    <div style="width: 416px; height: 8px">
    <form id="form1" action="../AddComment.aspx" style="margin:0px">
        <input id="Text1" type="text" style="width: 531px" /><Img id="Image1" src="e:/web/net/images/toqq.gif"/><br />
        <textarea  id="CommentContent" rows="2" style="width: 648px"></textarea>
        <br />
        <input id="NewsId" type="hidden" value="$NewsId"/>
        <input id="Button1" type="submit" value="button" />
        <a href="../Display.aspx?NewsId=$NewsId">look content</a></form>
        </div>
</body>
</html>