- using System;
 - using System.Data;
 - using System.Configuration;
 - 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 MSXML2;
 - using System.Text.RegularExpressions;
 - namespace EC
 - {
 - ///
 - /// 远程文件抓取类
 - ///
 - public class GetRemoteObj
 - {
 - #region 构造与析构函数
 - public GetRemoteObj()
 - {
 - //
 - // TODO: 在此处添加构造函数逻辑
 - //
 - }
 - ~GetRemoteObj()
 - {
 - Dispose();
 - }
 - #endregion
 - #region IDisposable 成员
 - public void Dispose()
 - {
 - GC.SuppressFinalize(this);
 - }
 - #endregion
 - #region 日期随机函数
 - /**********************************
 - * 函数名称:DateRndName
 - * 功能说明:日期随机函数
 - * 参 数:ra:随机数
 - * 调用示例:
 - * GetRemoteObj o = new GetRemoteObj();
 - * Random ra = new Random();
 - * string s = o.DateRndName(ra);
 - * Response.Write(s);
 - * o.Dispose();
 - * ********************************/
 - ///
 - /// 日期随机函数
 - ///
 - /// 随机数
 - ///
 - public string DateRndName(Random ra)
 - {
 - DateTime d = DateTime.Now;
 - string s = null, y, m, dd, h, mm, ss;
 - y = d.Year.ToString();
 - m = d.Month.ToString();
 - if (m.Length < 2) m = "0" + m;
 - dd = d.Day.ToString();
 - if (dd.Length < 2) dd = "0" + dd;
 - h = d.Hour.ToString();
 - if (h.Length < 2) h = "0" + h;
 - mm = d.Minute.ToString();
 - if (mm.Length < 2) mm = "0" + mm;
 - ss = d.Second.ToString();
 - if (ss.Length < 2) ss = "0" + ss;
 - s += y + m + dd + h + mm + ss;
 - s += ra.Next(100, 999).ToString();
 - return s;
 - }
 - #endregion
 - #region 取得文件后缀
 - /**********************************
 - * 函数名称:GetFileExtends
 - * 功能说明:取得文件后缀
 - * 参 数:filename:文件名称
 - * 调用示例:
 - * GetRemoteObj o = new GetRemoteObj();
 - * string url = @"http://www.baidu.com/img/logo.gif";
 - * string s = o.GetFileExtends(url);
 - * Response.Write(s);
 - * o.Dispose();
 - * ********************************/
 - ///
 - /// 取得文件后缀
 - ///
 - /// 文件名称
 - ///
 - public string GetFileExtends(string filename)
 - {
 - string ext = null;
 - if (filename.IndexOf('.') > 0)
 - {
 - string[] fs = filename.Split('.');
 - ext = fs[fs.Length - 1];
 - }
 - return ext;
 - }
 - #endregion
 - #region 获取远程文件源代码
 - /**********************************
 - * 函数名称:GetRemoteHtmlCode
 - * 功能说明:获取远程文件源代码
 - * 参 数:Url:远程url
 - * 调用示例:
 - * GetRemoteObj o = new GetRemoteObj();
 - * string url = @"http://www.baidu.com";
 - * string s = o.GetRemoteHtmlCode(url);
 - * Response.Write(s);
 - * o.Dispose();
 - * ********************************/
 - ///
 - /// 获取远程文件源代码
 - ///
 - /// 远程url
 - ///
 - public string GetRemoteHtmlCode(string Url)
 - {
 - string s = "";
 - MSXML2.XMLHTTP _xmlhttp = new MSXML2.XMLHTTPClass();
 - _xmlhttp.open("GET", Url, false, null, null);
 - _xmlhttp.send("");
 - if (_xmlhttp.readyState == 4)
 - {
 - s = System.Text.Encoding.Default.GetString((byte[])_xmlhttp.responseBody);
 - }
 - return s;
 - }
 - #endregion
 - #region 保存远程文件
 - /**********************************
 - * 函数名称:RemoteSave
 - * 功能说明:保存远程文件
 - * 参 数:Url:远程url;Path:保存到的路径
 - * 调用示例:
 - * GetRemoteObj o = new GetRemoteObj();
 - * string s = "";
 - * string url = @"http://www.baidu.com/img/logo.gif";
 - * string path =Server.MapPath("Html/");
 - * s = o.RemoteSave(url,path);
 - * Response.Write(s);
 - * o.Dispose();
 - * ******************************/
 - ///
 - /// 保存远程文件
 - ///
 - /// 远程url
 - /// 保存到的路径
 - ///
 - public string RemoteSave(string Url, string Path)
 - {
 - Random ra = new Random();
 - string StringFileName = DateRndName(ra) + "." + GetFileExtends(Url);
 - string StringFilePath = Path + StringFileName;
 - MSXML2.XMLHTTP _xmlhttp = new MSXML2.XMLHTTPClass();
 - _xmlhttp.open("GET", Url, false, null, null);
 - _xmlhttp.send("");
 - if (_xmlhttp.readyState == 4)
 - {
 - if (System.IO.File.Exists(StringFilePath))
 - System.IO.File.Delete(StringFilePath);
 - System.IO.FileStream fs = new System.IO.FileStream(StringFilePath, System.IO.FileMode.CreateNew);
 - System.IO.BinaryWriter w = new System.IO.BinaryWriter(fs);
 - w.Write((byte[])_xmlhttp.responseBody);
 - w.Close();
 - fs.Close();
 - }
 - else
 - throw new Exception(_xmlhttp.statusText);
 - return StringFileName;
 - }
 - #endregion
 - #region 替换网页中的换行和引号
 - /**********************************
 - * 函数名称:ReplaceEnter
 - * 功能说明:替换网页中的换行和引号
 - * 参 数:HtmlCode:html源代码
 - * 调用示例:
 - * GetRemoteObj o = new GetRemoteObj();
 - * string Url = @"http://www.baidu.com";
 - * strion HtmlCode = o.GetRemoteHtmlCode(Url);
 - * string s = o.ReplaceEnter(HtmlCode);
 - * Response.Write(s);
 - * o.Dispose();
 - * ********************************/
 - ///
 - /// 替换网页中的换行和引号
 - ///
 - /// HTML源代码
 - ///
 - public string ReplaceEnter(string HtmlCode)
 - {
 - string s = "";
 - if (HtmlCode == null || HtmlCode == "")
 - s = "";
 - else
 - s = HtmlCode.Replace("/"", "");
 - s = s.Replace("/r/n", "");
 - return s;
 - }
 - #endregion
 - #region 执行正则提取出值
 - /**********************************
 - * 函数名称:GetRegValue
 - * 功能说明:执行正则提取出值
 - * 参 数:HtmlCode:html源代码
 - * 调用示例:
 - * GetRemoteObj o = new GetRemoteObj();
 - * string Url = @"http://www.baidu.com";
 - * strion HtmlCode = o.GetRemoteHtmlCode(Url);
 - * string s = o.ReplaceEnter(HtmlCode);
 - * string Reg="";
 - * string GetValue=o.GetRegValue(Reg,HtmlCode)
 - * Response.Write(GetValue);
 - * o.Dispose();
 - * ********************************/
 - ///
 - /// 执行正则提取出值
 - ///
 - /// 正则表达式
 - /// HtmlCode源代码
 - ///
 - public string GetRegValue(string RegexString, string RemoteStr)
 - {
 - string MatchVale = "";
 - Regex r = new Regex(RegexString);
 - Match m = r.Match(RemoteStr);
 - if (m.Success)
 - {
 - MatchVale = m.Value;
 - }
 - return MatchVale;
 - }
 - #endregion
 - #region 替换HTML源代码
 - /**********************************
 - * 函数名称:RemoveHTML
 - * 功能说明:替换HTML源代码
 - * 参 数:HtmlCode:html源代码
 - * 调用示例:
 - * GetRemoteObj o = new GetRemoteObj();
 - * string Url = @"http://www.baidu.com";
 - * strion HtmlCode = o.GetRemoteHtmlCode(Url);
 - * string s = o.ReplaceEnter(HtmlCode);
 - * string Reg="";
 - * string GetValue=o.GetRegValue(Reg,HtmlCode)
 - * Response.Write(GetValue);
 - * o.Dispose();
 - * ********************************/
 - ///
 - /// 替换HTML源代码
 - ///
 - /// html源代码
 - ///
 - public string RemoveHTML(string HtmlCode)
 - {
 - string MatchVale = HtmlCode;
 - foreach (Match s in Regex.Matches(HtmlCode, "<.+?>"))
 - {
 - MatchVale = MatchVale.Replace(s.Value, "");
 - }
 - return MatchVale;
 - }
 - #endregion
 - #region 匹配页面的链接
 - /**********************************
 - * 函数名称:GetHref
 - * 功能说明:匹配页面的链接
 - * 参 数:HtmlCode:html源代码
 - * 调用示例:
 - * GetRemoteObj o = new GetRemoteObj();
 - * string Url = @"http://www.baidu.com";
 - * strion HtmlCode = o.GetRemoteHtmlCode(Url);
 - * string s = o.GetHref(HtmlCode);
 - * Response.Write(s);
 - * o.Dispose();
 - * ********************************/
 - ///
 - /// 获取页面的链接正则
 - ///
 - ///
 - ///
 - public string GetHref(string HtmlCode)
 - {
 - string MatchVale = "";
 - string Reg = @"(h|H)(r|R)(e|E)(f|F) *= *('|"")?((/w|//|//|/.|:|-|_)+)('|""| *|>)?";
 - foreach (Match m in Regex.Matches(HtmlCode, Reg))
 - {
 - MatchVale += (m.Value).ToLower().Replace("href=", "").Trim() + "||";
 - }
 - return MatchVale;
 - }
 - #endregion
 - #region 匹配页面的图片地址
 - /**********************************
 - * 函数名称:GetImgSrc
 - * 功能说明:匹配页面的图片地址
 - * 参 数:HtmlCode:html源代码;imgHttp:要补充的http.当比如:则要补充http://www.baidu.com/,当包含http信息时,则可以为空
 - * 调用示例:
 - * GetRemoteObj o = new GetRemoteObj();
 - * string Url = @"http://www.baidu.com";
 - * strion HtmlCode = o.GetRemoteHtmlCode(Url);
 - * string s = o.GetImgSrc(HtmlCode,"http://www.baidu.com/");
 - * Response.Write(s);
 - * o.Dispose();
 - * ********************************/
 - ///
 - /// 匹配页面的图片地址
 - ///
 - ///
 - /// 要补充的http://路径信息
 - ///
 - public string GetImgSrc(string HtmlCode, string imgHttp)
 - {
 - string MatchVale = "";
 - string Reg = @"";
 - foreach (Match m in Regex.Matches(HtmlCode, Reg))
 - {
 - MatchVale += GetImg((m.Value).ToLower().Trim(), imgHttp) + "||";
 - }
 - return MatchVale;
 - }
 - ///
 - /// 匹配中的图片路径实际链接
 - ///
 - /// 字符串
 - ///
 - public string GetImg(string ImgString, string imgHttp)
 - {
 - string MatchVale = "";
 - string Reg = @"src=.+/.(bmp|jpg|gif|png|)";
 - foreach (Match m in Regex.Matches(ImgString.ToLower(), Reg))
 - {
 - MatchVale += (m.Value).ToLower().Trim().Replace("src=", "");
 - }
 - return (imgHttp + MatchVale);
 - }
 - #endregion
 - #region 替换通过正则获取字符串所带的正则首尾匹配字符串
 - /**********************************
 - * 函数名称:GetHref
 - * 功能说明:匹配页面的链接
 - * 参 数:HtmlCode:html源代码
 - * 调用示例:
 - * GetRemoteObj o = new GetRemoteObj();
 - * string Url = @"http://www.baidu.com";
 - * strion HtmlCode = o.GetRemoteHtmlCode(Url);
 - * string s = o.RegReplace(HtmlCode,"");
 - * Response.Write(s);
 - * o.Dispose();
 - * ********************************/
 - ///
 - /// 替换通过正则获取字符串所带的正则首尾匹配字符串
 - ///
 - /// 要替换的值
 - /// 正则匹配的首字符串
 - /// 正则匹配的尾字符串
 - ///
 - public string RegReplace(string RegValue, string regStart, string regEnd)
 - {
 - string s = RegValue;
 - if (RegValue != "" && RegValue != null)
 - {
 - if (regStart != "" && regStart != null)
 - {
 - s = s.Replace(regStart, "");
 - }
 - if (regEnd != "" && regEnd != null)
 - {
 - s = s.Replace(regEnd, "");
 - }
 - }
 - return s;
 - }
 - #endregion
 - }
 - }
 - 记得添加引用 Interop.MSXML2.dll 否则msxml2命名空间用不了
 
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