c# vs2008数据采集(正则采集)

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 System.Drawing; using MSXML2; using System.Text.RegularExpressions; namespace wenweifeng { /**//// <summary> /// CaiJi 的摘要说明 /// </summary> public class CaiJi { public CaiJi() { // // TODO: 在此处添加构造函数逻辑 // } ~CaiJi() { Dispose(); } public void Dispose() { GC.SuppressFinalize(this); } 日期随机函数#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(); * ********************************/ /**//// <summary> /// 日期随机函数 /// </summary> /// <param name="ra">随机数</param> /// <returns></returns> 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(1000000, 9999999).ToString(); return s; } #endregion 取得文件后缀#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(); * ********************************/ /**//// <summary> /// 取得文件后缀 /// </summary> /// <param name="filename">文件名称</param> /// <returns></returns> public string GetFileExtends(string filename) { string ext = null; if (filename.IndexOf('.') > 0) { string[] fs = filename.Split('.'); ext = fs[fs.Length - 1]; } return ext; } #endregion 获取远程文件源代码#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(); * ********************************/ /**//// <summary> /// 获取远程文件源代码 /// </summary> /// <param name="url">远程url</param> /// <returns></returns> 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 保存远程文件#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(); * ******************************/ /**//// <summary> /// 保存远程文件 /// </summary> /// <param name="Url">远程url</param> /// <param name="Path">保存到的路径</param> /// <returns></returns> public string RemoteSave(string Url, string Path) { Random ra = new Random(); string newfilename = string.Empty; string StringFileName = DateRndName(ra) + "." + GetFileExtends(Url); if (GetFileExtends(Url).Trim().ToLower() != "jpg") newfilename = StringFileName; else newfilename = DateRndName(ra) + "Addpic." + GetFileExtends(Url); string StringFilePath = Path + StringFileName; string newfilepath = Path + newfilename; string retname = string.Empty; try { 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(); if (GetFileExtends(Url).Trim().ToLower() == "jpg") { function myfunction = new function(); //myfunction.AddShuiYinWord(StringFilePath, newfilepath); service myserver=new service(); myfunction.AddShuiYinPic(StringFilePath, newfilepath, HttpContext.Current.Server.MapPath(myserver.myweblogo)); } } else throw new Exception(_xmlhttp.statusText); } catch (Exception ex) { } return newfilename; } #endregion 替换网页中的换行和引号#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"; * string HtmlCode = o.GetRemoteHtmlCode(Url); * string s = o.ReplaceEnter(HtmlCode); * Response.Write(s); * o.Dispose(); * ********************************/ /**//// <summary> /// 替换网页中的换行和引号 /// </summary> /// <param name="HtmlCode">HTML源代码</param> /// <return