简单适时获取页面部分内容的代码代码,Asp.Net代码库,德仔网

代码语言
代码分类
【Asp.Net】简单适时获取页面部分内容的代码
作者:Dezai.CN / 发布于2012/3/21/ 542
简单适时获取页面部分内容的代码
<div>
<div id="firstpost">using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.IO;
using System.Net;
using System.Text;
namespace VerificationCode.news
{
public partial class GetBigDiv : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{//<span class="t_tag" href="tools/ajax.aspx?t=topicswithsametag&tagid=1326">获取</span>一个div里面所有数据
this.Response.Write(getValue()); 
}
public string GetHttpData(string Url)
{
string sException = null;
string sRslt = null;
WebResponse oWebRps = null;
WebRequest oWebRqst = WebRequest.Create(Url);
oWebRqst.Timeout = 50000;
try
{
oWebRps = oWebRqst.GetResponse();
}
catch (WebException e)
{
sException = e.Message.ToString();

}
catch (Exception e)
{
sException = e.ToString();

}
finally
{
if (oWebRps != null)
{
StreamReader oStreamRd = new StreamReader(oWebRps.GetResponseStream(), Encoding.GetEncoding("GB2312"));
sRslt = oStreamRd.ReadToEnd();
oStreamRd.Close();
oWebRps.Close();
}
}
return sRslt;
}
public string getValue()
{
string HTML = GetHttpData("<a href="http://www.fzx168.com/" target="_blank">http://www.fzx168.com/</a>");
string H = HTML.Remove(0, HTML.IndexOf("<!--最新排行-->"));//某段内容开始关键字
string HT = H.Remove(H.LastIndexOf("<!--最新排行 end-->"));//某段内容结束关键字
return HT;
}
public static int GetKeyWordsNum( string str ,string wrods)
{
bool t = str.Contains(wrods);
if (t)
{
int i = str.IndexOf(wrods);
return i;
}
else
{
return 0;
}
}

public static string DelHTML(string Htmlstring)
{
#region
//删除脚本，如果只需要使用内容，不需要格式，可以增加这个函数取出html<span class="t_tag" href="tools/ajax.aspx?t=topicswithsametag&tagid=1096">代码</span>
Htmlstring = System.Text.RegularExpressions.Regex.Replace(Htmlstring, @"<script[^>]*?>.*?</script>", "", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
//删除HTML
Htmlstring = System.Text.RegularExpressions.Regex.Replace(Htmlstring, @"<(.[^>]*)>", "", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
Htmlstring = System.Text.RegularExpressions.Regex.Replace(Htmlstring, @"([\r\n])[\s]+", "", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
Htmlstring = System.Text.RegularExpressions.Regex.Replace(Htmlstring, @"-->", "", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
Htmlstring = System.Text.RegularExpressions.Regex.Replace(Htmlstring, @"<!--.*", "", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
Htmlstring =System.Text.RegularExpressions. Regex.Replace(Htmlstring,@"<A>.*</A>","");
Htmlstring =System.Text.RegularExpressions. Regex.Replace(Htmlstring,@"<[a-zA-Z]*=\.[a-zA-Z]*\?[a-zA-Z]+=\d&\w=%[a-zA-Z]*|[A-Z0-9]","");
Htmlstring = System.Text.RegularExpressions.Regex.Replace(Htmlstring, @"&(quot|#34);", "\"", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
Htmlstring = System.Text.RegularExpressions.Regex.Replace(Htmlstring, @"&(amp|#38);", "&", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
Htmlstring = System.Text.RegularExpressions.Regex.Replace(Htmlstring, @"&(lt|#60);", "<", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
Htmlstring = System.Text.RegularExpressions.Regex.Replace(Htmlstring, @"&(gt|#62);", ">", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
Htmlstring = System.Text.RegularExpressions.Regex.Replace(Htmlstring, @"&(nbsp|#160);", " ", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
Htmlstring = System.Text.RegularExpressions.Regex.Replace(Htmlstring, @"&(iexcl|#161);", "\xa1", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
Htmlstring = System.Text.RegularExpressions.Regex.Replace(Htmlstring, @"&(cent|#162);", "\xa2", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
Htmlstring = System.Text.RegularExpressions.Regex.Replace(Htmlstring, @"&(pound|#163);", "\xa3", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
Htmlstring = System.Text.RegularExpressions.Regex.Replace(Htmlstring, @"&(copy|#169);", "\xa9", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
Htmlstring = System.Text.RegularExpressions.Regex.Replace(Htmlstring, @"&#(\d+);", "", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
//Htmlstring.Replace("<", "");
//Htmlstring.Replace(">", "");
Htmlstring.Replace("\r\n", "");
//Htmlstring=HttpContext.Current.Server.HtmlEncode(Htmlstring).Trim();
#endregion
return Htmlstring;
} 

}
}

<%@ Page Language="<span class="t_tag" href="tools/ajax.aspx?t=topicswithsametag&tagid=290">C#</span>" AutoEventWireup="true" CodeBehind="showDiv.<span class="t_tag" href="tools/ajax.aspx?t=topicswithsametag&tagid=789">asp</span>x.cs" Inherits="VerificationCode.news.WebForm1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "<a href="http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" target="_blank">http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd</a>">
<html <span class="t_tag" href="tools/ajax.aspx?t=topicswithsametag&tagid=242">xml</span>ns="<a href="http://www.w3.org/1999/xhtml" target="_blank">http://www.w3.org/1999/xhtml</a>" >
<head runat="server">
<title>无标题页</title>
<script language="javascript" src="js.js" type="text/javascript"></script>
<link href="<a href="http://www.fzx168.com/css/home2009.css" target="_blank">http://www.fzx168.com/css/home2009.css</a>" rel="stylesheet" type="text/css" id="css" /></div>
</div>
试试其它关键字
　获取页面部分内容　
同语言下
可能有用的
Dezai.CN贡献的其它代码(4037)