asp.Netデータ収集ベースクラス
19388 ワード
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; // 、COM、Microsoft XML , v2.6、 、 。
using System.Text.RegularExpressions;
/// <summary>
///
/// </summary>
public class GetRemoteObj
{
#region
public GetRemoteObj()
{
//
// TODO:
//
}
~GetRemoteObj()
{
Dispose();
}
#endregion
#region IDisposable
public void Dispose()
{
GC.SuppressFinalize(this);
}
#endregion
#region
/**********************************
* :DateRndName
* :
* :ra:
* :
* GetRemoteObj o = new GetRemoteObj();
* Random ra = new Random();
* string s = o.DateRndName(ra);
* Response.Write(s);
* o.Dispose();
* ********************************/
/// <summary>
///
/// </summary>
/// <param name="ra"> </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(100, 999).ToString();
return s;
}
#endregion
#region
/**********************************
* :GetFileExtends
* :
* :filename:
* :
* GetRemoteObj o = new GetRemoteObj();
* string url = @"http://www.baidu.com/img/logo.gif";
* string s = o.GetFileExtends(url);
* Response.Write(s);
* o.Dispose();
* ********************************/
/// <summary>
///
/// </summary>
/// <param name="filename"> </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
#region
/**********************************
* :GetRemoteHtmlCode
* :
* :Url: url
* :
* GetRemoteObj o = new GetRemoteObj();
* string url = @"http://www.baidu.com/";
* string s = o.GetRemoteHtmlCode(url);
* Response.Write(s);
* o.Dispose();
* ********************************/
/// <summary>
///
/// </summary>
/// <param name="url"> 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
#region
/**********************************
* ：RemoteSave
* ：
* ：Url: url;Path:
* :
* 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>
///
/// </summary>
/// <param name="Url"> url</param>
/// <param name="Path"> </param>
/// <returns></returns>
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
/**********************************
* :ReplaceEnter
* :
* :HtmlCode:html
* :
* 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();
* ********************************/
/// <summary>
///
/// </summary>
/// <param name="HtmlCode">HTML </param>
/// <returns></returns>
public string ReplaceEnter(string HtmlCode)
{
string s = "";
if (HtmlCode == null || HtmlCode == "")
s = "";
else
s = HtmlCode.Replace("\"", "");
s = s.Replace("\r
", "");
return s;
}
#endregion
#region
/**********************************
* :GetRegValue
* :
* :HtmlCode:html
* :
* GetRemoteObj o = new GetRemoteObj();
* string Url = @"http://www.baidu.com/";
* strion HtmlCode = o.GetRemoteHtmlCode(Url);
* string s = o.ReplaceEnter(HtmlCode);
* string Reg="<title>.+?</title>";
* string GetValue=o.GetRegValue(Reg,HtmlCode)
* Response.Write(GetValue);
* o.Dispose();
* ********************************/
/// <summary>
///
/// </summary>
/// <param name="RegexString"> </param>
/// <param name="RemoteStr">HtmlCode </param>
/// <returns></returns>
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 HTML
/**********************************
* :RemoveHTML
* : HTML
* :HtmlCode:html
* :
* GetRemoteObj o = new GetRemoteObj();
* string Url = @"http://www.baidu.com/";
* strion HtmlCode = o.GetRemoteHtmlCode(Url);
* string s = o.ReplaceEnter(HtmlCode);
* string Reg="<title>.+?</title>";
* string GetValue=o.GetRegValue(Reg,HtmlCode)
* Response.Write(GetValue);
* o.Dispose();
* ********************************/
/// <summary>
/// HTML
/// </summary>
/// <param name="HtmlCode">html </param>
/// <returns></returns>
public string RemoveHTML(string HtmlCode)
{
string MatchVale = HtmlCode;
foreach (Match s in Regex.Matches(HtmlCode, "<.+?>"))
{
MatchVale = MatchVale.Replace(s.Value, "");
}
return MatchVale;
}
#endregion
#region
/**********************************
* :GetHref
* :
* :HtmlCode:html
* :
* 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();
* ********************************/
/// <summary>
///
/// </summary>
/// <param name="HtmlCode"></param>
/// <returns></returns>
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
/**********************************
* :GetImgSrc
* :
* :HtmlCode:html ;imgHttp: http. :<img src="bb/x.gif"> http://www.baidu.com/, http ,
* :
* 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();
* ********************************/
/// <summary>
///
/// </summary>
/// <param name="HtmlCode"></param>
/// <param name="imgHttp"> http:// </param>
/// <returns></returns>
public string GetImgSrc(string HtmlCode, string imgHttp)
{
string MatchVale = "";
string Reg = @"<img.+?>";
foreach (Match m in Regex.Matches(HtmlCode, Reg))
{
MatchVale += GetImg((m.Value).ToLower().Trim(), imgHttp) + "||";
}
return MatchVale;
}
/// <summary>
/// <img src="" />
/// </summary>
/// <param name="ImgString"><img src="" /> </param>
/// <returns></returns>
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
/**********************************
* :GetHref
* :
* :HtmlCode:html
* :
* GetRemoteObj o = new GetRemoteObj();
* string Url = @"http://www.baidu.com/";
* strion HtmlCode = o.GetRemoteHtmlCode(Url);
* string s = o.RegReplace(HtmlCode,"<title>","</title>");
* Response.Write(s);
* o.Dispose();
* ********************************/
/// <summary>
///
/// </summary>
/// <param name="RegValue"> </param>
/// <param name="regStart"> </param>
/// <param name="regEnd"> </param>
/// <returns></returns>
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
} /**********************************
* :SniffwebCode
* : HTML :
* :HTML , ,
* :
*string url = @"http://sohe.inhe.net/Search/SearchingGuild.aspx";
*string s = o.GetRemoteHtmlCode(url);//
*s=this.SniffwebCode(s,this.TextBox2.Text,this.TextBox3.Text);// HTML
* ********************************/
/// <summary>
/// HTML
/// </summary>
/// <param name="code">HTML </param>
/// <param name="wordsBegin"> </param>
/// <param name="wordsEnd"> </param>
/// <returns></returns>
public string SniffwebCode(string code, string wordsBegin, string wordsEnd)
{
string NewsTitle = "";
Regex regex1 = new Regex("" + wordsBegin + @"(?<title>[/s/S]+?)" + wordsEnd + "", RegexOptions.Compiled | RegexOptions.IgnoreCase);
for (Match match1 = regex1.Match(code); match1.Success; match1 = match1.NextMatch())
{
NewsTitle = match1.Groups["title"].ToString();
}
return NewsTitle;
}
/*** Html : DataTable :title url
* string url = @"http://sohe.inhe.net/Search/SearchingGuild.aspx";
* string HtmlAllCode = o.GetRemoteHtmlCode(url);//
* HtmlAllCode = o.SniffwebCode(HtmlAllCode, this.TextBox2.Text, this.TextBox3.Text);//
* DataTable table = o.GetCodeHref(HtmlAllCode);// Html DataTable
* foreach(DataRow row in table.Rows)//
* {
* Response.Write(row["title"]+"<br>");
* Response.Write(row["url"] + "<br>");
* }
*/
/// <summary>
/// Html : DataTable :title url
/// </summary>
/// <param name="HtmlCode"> HTML </param>
/// <returns></returns>
public DataTable GetCodeHref(string HtmlCode)
{
// HTML href <B> </B>
string regex = @"/<a.*href/s*=/s*(?:""(?<url>[^""]*)""|'(?<url>[^']*)'|(?<url>[^/>^/s]+)).*/>(?<title>[^/<^/>]*)/<[^/</a/>]*/a/>";
Regex reg1 = new Regex(regex, RegexOptions.IgnoreCase);//
MatchCollection ms1 = reg1.Matches(HtmlCode);//
DataTable table = new DataTable();//
table.Columns.Add("title");//
table.Columns.Add("url");//
foreach (Match m1 in ms1)//
{
DataRow row = table.NewRow();//
row["title"] = m1.Groups["title"].Value.ToString();
row["url"] = m1.Groups["url"].Value.ToString();
table.Rows.Add(row);//
}
return table;
}
#endregion