发布于 2016-05-27 01:46:58 | 130 次阅读 | 评论: 0 | 来源: 网友投递

这里有新鲜出炉的精品教程,程序狗速度看过来!

ASP.NET

ASP.NET 是.NET FrameWork的一部分,是一项微软公司的技术,是一种使嵌入网页中的脚本可由因特网服务器执行的服务器端脚本技术,它可以在通过HTTP请求文档时再在Web服务器上动态创建它们。 指 Active Server Pages(动态服务器页面) ,运行于 IIS(Internet Information Server 服务,是Windows开发的Web服务器)之中的程序 。


有种文章分页的思路是用截取文本字符数的方法来处理,这个方法当文章内容是html代码的话,分页后会引起排版问题。
aspx:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="ArticlePage.aspx.cs" Inherits="ArticlePage" %>
<!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>文章分页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<table style="text-align: center;" border="0" cellpadding="0" cellspacing="0">
<tr>
<td align="left" style="width: 400px; background-color: #ffff99;">
<table style="width: 100%">
<tr>
<td style="width: 100%; border-top: #ff3300 2px dotted; border-left-width: 2px; border-left-color: #ff3300; border-bottom: #ff3300 2px dotted; border-right-width: 2px; border-right-color: #ff3300; height: 25px; text-align: center;">
<%=ArticleTitle %></td>
</tr>
</table>
</td>
</tr>
<tr>
<td style="width: 400px; height: 100%;" align="left">
<p style="background-color: oldlace">
<%=Article %>
</p>
</td>
</tr>
<tr>
<td style="width: 400px; background-color: #ffff99; height: 48px;">
<table style="width: 100%">
<tr>
<td style="width: 100%; border-top: #ff3300 2px dotted; border-left-width: 2px; border-left-color: #ff3300; border-bottom: #ff3300 2px dotted; border-right-width: 2px; border-right-color: #ff3300;" align="left">
<p>
<asp:HyperLink ID="firstLink" runat="server" Visible="False">首页</asp:HyperLink>
<asp:HyperLink ID="preLink" runat="server" Visible="False">上一页</asp:HyperLink>
<asp:HyperLink ID="nextLink" runat="server" Visible="False">下一页</asp:HyperLink>
<asp:HyperLink ID="lastLink" runat="server" Visible="False">末页</asp:HyperLink>
</p>
<p>
<%
if(pageSum>1)
{
for (int i = 1; i <= pageSum; i++)
{
if (pageNo == i)
{
%>
<%=i%>
<%
}
else
{
%>
<a href="?page=<%=i %>"><%=i%></a>
<%
}
}
}
%>
页数:<%=pageNo %>/<%=pageSum %>
</p></td>
</tr>
</table>
</td>
</tr>
</table>
<br />
</div>
</form>
</body>
</html>
//==========================
aspx.cs:
(C#)
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;
public partial class ArticlePage : System.Web.UI.Page
{
protected string Article = "", ArticleTitle="";
protected int pageNo = 1, pageSum = 1;
protected void Page_Load(object sender, EventArgs e)
{
//实际应用中,此处的数据通过操作数据库来获取
ArticleTitle = "文章标题";
string filename = "20091795819.html";
string mPath = Server.MapPath("h3g/");
string filepath = mPath + filename;
ShowArticle(filepath);
}
protected void ShowArticle(string filepath)
{
string page = Request.Params["page"];
int perPageLine = 5;//每页行数
ArrayList al = fileOpr.ReadFileContentToArrayList(filepath);//按行读取文件内空到数组中
int contentLine = al.Count;
pageSum = (int)System.Math.Ceiling((double)contentLine / perPageLine);//总页数,进1取整
if (page == null || page == "" || page == "1")
{
pageNo = 1;
if (contentLine <= perPageLine)
{
for (int i = 0; i < contentLine; i++)
{
Article += al[i].ToString();
}
}
else
{
for (int i = 0; i < perPageLine; i++)
{
Article += al[i].ToString();
}
firstLink.Visible = false;
preLink.Visible = false;
nextLink.NavigateUrl = "?page=" + (pageNo + 1);
nextLink.Visible = true;
lastLink.NavigateUrl = "?page=" + pageSum;
lastLink.Visible = true;
}
}
else
{
pageNo = int.Parse(page);
if (pageNo < pageSum)
{
for (int i = perPageLine * (pageNo - 1); i < perPageLine * pageNo; i++)
{
Article += al[i].ToString();
}
firstLink.NavigateUrl = "?page=1";
firstLink.Visible = true;
preLink.NavigateUrl = "?page=" + (pageNo - 1);
preLink.Visible = true;
nextLink.NavigateUrl = "?page=" + (pageNo + 1);
nextLink.Visible = true;
lastLink.NavigateUrl = "?page=" + pageSum;
lastLink.Visible = true;
}
else
{
for (int i = contentLine - perPageLine * (pageSum - 1); i < contentLine; i++)
{
Article += al[i].ToString();
}
firstLink.NavigateUrl = "?page=1";
firstLink.Visible = true;
preLink.NavigateUrl = "?page=" + (pageNo - 1);
preLink.Visible = true;
nextLink.Visible = false;
lastLink.Visible = false;
}
}
}
}
重用类fileOpr.cs:
fileOpr.ReadFileContentToArrayList(filepath);中的方法:
public static ArrayList ReadFileContentToArrayList(string filepath)
{
ArrayList al = new ArrayList();
FileStream fs = new FileStream(filepath, FileMode.Open, FileAccess.Read);
StreamReader srd = new StreamReader(fs, Encoding.Default);
//使用StreamReader类来读取文件
srd.BaseStream.Seek(0, SeekOrigin.Begin);
string strLine = srd.ReadLine();
while (strLine != null)
{
strLine = srd.ReadLine();
al.Add(strLine + "\n");
}
//关闭此StreamReader对象
srd.Close();
fs.Dispose();
fs.Close();
return al;
}
注:有种文章分页的思路是用截取文本字符数的方法来处理,这个方法当文章内容是html代码的话,分页后会引起排版问题。
上面代码的方法思路是按行数来处理,这个方法个人认为相对更好些。在后台管理文章内容文件时,保证html代码的良好排版换行即可。

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