C#版采集程序源码介绍

因为工作需要,自己写了一个采集程序,如果冒犯了你的网站,我在这里说一声对不起 !!
  哎~!我只是一个普通的程序员.
  namespace CJ
  {
   public partial class Form1 : Form
   { 
   public int proxy = 0;
   public int keyi = 0;
   public int keyj = 0;
   public int keym = 0;
   public int keyn = 0;
   public int sum = 0;
   public string newurl = "";
   public string cururl = "";
   public string dirname = "";
   public string curdir = "";
   public string responseFromServer = "";
   public string filename = "";
   public string sql = "";
   public string mulu = "";
   StringBuilder sbs = new StringBuilder();
   List<Class1> cls = new List<Class1>();
   public ArrayList al = new ArrayList();
   public string insertdl = "insert into mzinedl values(";
   public string insertxl = "insert into mzinexl values(";
   public string insertinfo = "insert into mzineinfo values(";
   public string insertwz = "insert into mzinewz values(";
   public Form1()
   {
   InitializeComponent();
   }
   /// <summary>
   /// 保存网页
   /// </summary>
   /// <param name="FILE_NAME">文件的路径</param>
   /// <param name="data">数据</param>
   public void TextToFile(string FILE_NAME, string data)
   {
   if (File.Exists(FILE_NAME))
   {
   return;
   }
   using (StreamWriter sw = File.CreateText(FILE_NAME))
   {
   sw.Write(data);
   sw.Close();
   }
   }
   /// <summary>
   /// 下载文件
   /// </summary>
   /// <param name="PageUrl">网址</param>
   /// <param name="filename">保存文件路径</param>
   public void DownFile(string PageUrl, string filename)
   {
   if (!Directory.Exists(filename))
   {
   Directory.CreateDirectory(filename);
   }
   string path = PageUrl.Substring(PageUrl.LastIndexOf("/") + 1);
   string dirname = filename + "\\" + path;
   if (File.Exists(dirname))
   {
   return;
   }
   else
   {
   try
   { 
   WebClient wc = new WebClient();
   WebProxy wp = new WebProxy(al[proxy].ToString(), true);
   wc.Proxy = wp;
   wc.DownloadFile(PageUrl, dirname);
   }
   catch (WebException ex)
   {
   if (ex.Status == WebExceptionStatus.ConnectFailure)
   {
   //无法连接到远程服务器, --换代理 IP
   //MessageBox.Show(ex.ToString());
   proxy++;
   if (proxy >= al.Count)
   {
   al = ReadIPproxy("e:\\test.txt");//初始化代理 IP
   }
   DownFile(PageUrl, filename);
   }
   else if (ex.Status == WebExceptionStatus.Timeout)
   {
   //超时 --换代理 IP
   //MessageBox.Show(ex.ToString());
   proxy++;
   if (proxy >= al.Count)
   {
   al = ReadIPproxy("e:\\test.txt");//初始化代理 IP
   }
   DownFile(PageUrl, filename);
   }
   else if (ex.Status == WebExceptionStatus.ProtocolError)
   {
   //文件未找到--跳出 
   //MessageBox.Show(ex.ToString());
   return;
   }
   }
   }
   }
   /// <summary>
   /// 读文件
   /// </summary>
   /// <param name="FILE_NAME">文件的路径</param>
   /// <returns>数据</returns>
   public ArrayList ReadIPproxy(string FILE_NAME)
   { 
   using (StreamReader sr = File.OpenText(FILE_NAME))
   {
   String input;
   while ((input = sr.ReadLine()) != null)
   {
   al.Add(input);
   } 
   sr.Close();
   }
   return al;
   }
   /// <summary>
   /// 数据库
   /// </summary>
   public void Executesql()
   {
   SqlHelper.ExecuteNonQuery(SqlHelper.sqlstr, CommandType.Text, sbs.ToString(), null);
   }
   /// <summary>
   /// 读文件
   /// </summary>
   /// <param name="FILE_NAME">文件的路径</param>
   /// <returns>数据</returns>
   public string FileToText(string FILE_NAME)
   {
   string data;
   using (StreamReader sr = File.OpenText(FILE_NAME))
   {
   data=sr.ReadToEnd();
   sr.Close();
   }
   return data;
   }
   /// <summary>
   /// 保存SQL
   /// </summary>
   /// <param name="sql"></param>
   public void SaveSqls(string sql)
   {
   sbs.Append(sql).Append(" ");
   } 
   /// <summary>
   /// 请求失败的时候,反复操作
   /// </summary>
   /// <param name="PageUrl"></param>
   /// <returns></returns>
   public string ToServer(string PageUrl)
   {
   string responseFromServer = "";
   
   try
   { 
   while (1 == 1)
   {
   WebRequest request = WebRequest.Create(PageUrl);
   WebProxy wp = new WebProxy(al[proxy].ToString(), true);
   request.Proxy = wp;
   request.Timeout = 1000 * 60;
   HttpWebResponse response = (HttpWebResponse)request.GetResponse();
   Stream dataStream = response.GetResponseStream();
   StreamReader reader=null;
   try
   {
   reader = new StreamReader(dataStream, System.Text.Encoding.Default);
   responseFromServer = reader.ReadToEnd();
   }
   catch 
   {
   proxy++;
   if (proxy >= al.Count)
   {
   al = ReadIPproxy("e:\\test.txt");//初始化代理 IP
   }
   ToServer(PageUrl);
   };
   reader.Close();
   dataStream.Close();
   response.Close();
   if (responseFromServer.Contains("refresh") || responseFromServer == "")
   {
   proxy++;
   if (proxy >= al.Count)
   {
   al = ReadIPproxy("e:\\test.txt");//初始化代理 IP
   }
   //ToServer(PageUrl);
   }
   else
   {
   break;
   }
   }
   }
   catch (WebException ex)
   { 
   if (ex.Status == WebExceptionStatus.ProtocolError)
   { 
   responseFromServer = "";
   }
   else
   {
   proxy++;
   if (proxy >= al.Count)
   {
   al = ReadIPproxy("e:\\test.txt");//初始化代理 IP
   }
   ToServer(PageUrl);
   }
   } 
   return responseFromServer;
   }
   /// <summary>
   /// 保存XML 文件
   /// </summary>
   public void SaveXmls()
   {
   string pathxml = "";
   foreach (Class1 c in cls)
   {
   Class1 s = c;
   pathxml = s.address;
   if (!File.Exists(pathxml))
   {
   XmlSerializer xs = new XmlSerializer(typeof(Class1));
   Stream stream = new FileStream(pathxml, FileMode.Create, FileAccess.Write, FileShare.ReadWrite);
   xs.Serialize(stream, s);
   stream.Close();
   } 
   
   }
   }
   /// <summary>
   /// 移除HTMl 标记
   /// </summary>
   /// <param name="Html"></param>
   /// <param name="RegStr"></param>
   /// <returns></returns>
   public static string Remove(string Html)
   {
   //Regex Reg = new Regex(RegStr);
   //foreach (Match m in Reg.Matches(Html))
   //{
   // Html = Html.Replace(m.Value, "");
   //}
   //return Html.Trim();
   string regesstr = "<.*?>";
   return Regex.Replace(Html, regesstr, string.Empty, RegexOptions.IgnoreCase);
   }
   public static string FilterScript(string content)
   {
   string regexstr = @"<(script)[^>]*>(\s*|.)*</\1>";
   return Regex.Replace(content,regexstr,string.Empty,RegexOptions.IgnoreCase);
   }
   /// <summary>
   /// 过略所有的 危险标记
   /// </summary>
   /// <param name="html"></param>
   /// <returns></returns>
   public string wipeScript(string html)
   {
   System.Text.RegularExpressions.Regex regex1 = new System.Text.RegularExpressions.Regex(@"(<script){1,}[^<>]*>[^\0]*(<\/script>){1,}", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
   System.Text.RegularExpressions.Regex regex2 = new System.Text.RegularExpressions.Regex(@"href *= *[\s\S]*script *:", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
   System.Text.RegularExpressions.Regex regex3 = new System.Text.RegularExpressions.Regex(@"on[\s\S]*=", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
   System.Text.RegularExpressions.Regex regex4 = new System.Text.RegularExpressions.Regex(@"<iframe[\s\S]+</iframe*>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
   System.Text.RegularExpressions.Regex regex5 = new System.Text.RegularExpressions.Regex(@"<frameset[\s\S]+</frameset*>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
   html = regex1.Replace(html, ""); //过滤<script></script>标记 
   html = regex2.Replace(html, ""); //过滤href=javascript: (<A>) 属性 
   html = regex3.Replace(html, " _disibledevent="); //过滤其它控件的on...事件 
   html = regex4.Replace(html, ""); //过滤iframe 
   html = regex5.Replace(html, ""); //过滤frameset 
   return html;
   }
   public void HtmlSource(string urlpri)
   {
   //要写入的文件路径
   filename = "E:\\观2\\magazine.html";
   if (!Directory.Exists("E:\\观2"))
   {
   Directory.CreateDirectory("E:\\观2");
   }
   if (File.Exists(filename))
   {
   responseFromServer=FileToText(filename); //存在
   
   }
   else
   {
   responseFromServer = ToServer(urlpri); //不存在
   
   }
   sum++;
   if (responseFromServer != "")
   {
   //分析内容
   TextToFile(filename,responseFromServer);
   MatchCollection mc = Regex.Matches(responseFromServer, @"href=""/magazine/(.*)""><b>(.*)</b>", RegexOptions.IgnoreCase);
   foreach (Match m in mc)
   {
   newurl = m.Groups[1].Value;
   dirname = m.Groups[2].Value;
   int key = ++keyi;
   sql = insertdl + key + ",'" + dirname + "')";
   SaveSqls(sql);
   cururl = urlpri + newurl;
   curdir = "E:\\观2\\" + dirname;
   one(cururl, curdir,key);
   }
   SaveXmls();
   Executesql(); 
   
   this.textBox1.Text = sum.ToString();
   MessageBox.Show("采集成功!");
   }
   }
   public void one(string urlpri,string _dirname,int _key)
   {
   //要写入的文件路径
   filename = _dirname +"\\"+ urlpri.Substring(urlpri.LastIndexOf("/") + 1);
   if (!Directory.Exists(_dirname))
   {
   Directory.CreateDirectory(_dirname);
   }
   if (File.Exists(filename))
   {
   responseFromServer = FileToText(filename);
   }
   else
   {
   responseFromServer = ToServer(urlpri);
   }
   sum++;
   if (responseFromServer != "")
   {
   TextToFile(filename, responseFromServer);
   MatchCollection mc = Regex.Matches(responseFromServer, @"href=""\.\./(.*list.html)""[\s\S]*?《(.*?)》", RegexOptions.IgnoreCase);
   foreach (Match m in mc)
   {
   newurl = m.Groups[1].Value;
   dirname = m.Groups[2].Value;
   cururl = "http://www.zydg.net/magazine/" + newurl;
   curdir = _dirname + "\\" + dirname;
   two(cururl, curdir, _key);
   } 
   } 
   }
   public void two(string urlpri,string _dirname,int _key)
   {
   filename = urlpri.Substring(0, urlpri.LastIndexOf("/"));
   filename = filename.Substring(filename.LastIndexOf("/") + 1) + ".html";
   filename = _dirname + "\\" + filename;
   if (!Directory.Exists(_dirname))
   {
   Directory.CreateDirectory(_dirname);
   }
   if (File.Exists(filename))
   {
   responseFromServer = FileToText(filename);
   }
   else
   {
   responseFromServer = ToServer(urlpri);
   }
   sum++;
   if (responseFromServer != "")
   {
   TextToFile(filename, responseFromServer);
   Match mc = Regex.Match(responseFromServer, @"刊\s+期:(.*?)<br>[\s\S]*?编\s+辑:(.*?)<br>[\s\S]*?出\s+版: (.*?)<br>[\s\S]*?联系电话:(.*?)<br>[\s\S]*?E-mail: (.*?)<br>[\s\S]*?社\s+址:(.*?)<br>[\s\S]*?邮\s+编: (.*?)<br>[\s\S]*?邮发代号:(.*?)<br>[\s\S]*?国外发行代号: (.*?)<br>[\s\S]*?国际标准刊号:(.*?)<br>[\s\S]*?国内统一刊号: (.*?)</td>", RegexOptions.IgnoreCase);
   Match content = Regex.Match(responseFromServer, @"刊\s+物\s+简\s+介\s+:::...([\s\S]*?)...:::\s+收录期号列表", RegexOptions.Multiline);
   int key = ++keyj;
   sql = insertxl + keyj + "," + _key + ",'" + dirname + "','" + mc.Groups[1].Value + "','" + mc.Groups[2].Value + "','" +
   mc.Groups[3].Value + "','" + mc.Groups[4].Value + "','" + mc.Groups[5].Value + "','" + mc.Groups[6].Value + "','" +
   mc.Groups[7].Value + "','" + mc.Groups[8].Value + "','" + mc.Groups[9].Value + "','" + mc.Groups[10].Value + "','" + mc.Groups[11].Value + "','" + Remove(content.Groups[1].Value) + "')";
   SaveSqls(sql);
   MatchCollection mc2 = Regex.Matches(responseFromServer, @"href='(.*?)'\s+target.*>(.*?)</a>", RegexOptions.IgnoreCase);
   foreach (Match m2 in mc2)
   {
   newurl = m2.Groups[1].Value;
   dirname = m2.Groups[2].Value.Replace("年", "-").Replace("第", "").Replace("期", "");
   cururl = urlpri.Substring(0, urlpri.LastIndexOf("/") + 1) + newurl;
   curdir = _dirname + "\\" + dirname;
   three(cururl, curdir,key,dirname);
   } 
   
   } 
   }
   public void three(string urlpri,string _dirname,int _key,string qishu)
   {
   //要写入的文件路径
   filename = _dirname + "\\" + urlpri.Substring(urlpri.LastIndexOf("/") + 1);
   if (!Directory.Exists(_dirname))
   {
   Directory.CreateDirectory(_dirname);
   }
   if (File.Exists(filename))
   {
   responseFromServer = FileToText(filename);
   }
   else
   {
   responseFromServer = ToServer(urlpri);
   }
   sum++;
   if (responseFromServer != "")
   {
   TextToFile(filename, responseFromServer);
   Match m = Regex.Match(responseFromServer, @"src='face_(.*?)'", RegexOptions.IgnoreCase);
   string photoName = "";
   if (m.Groups[1].Value.Trim() != "")
   {
   photoName = urlpri.Substring(0, urlpri.LastIndexOf("/") + 1) +"face_" + m.Groups[1].Value;
   DownFile(photoName, _dirname);
   
   }
   int key = ++keym;
   sql = insertinfo + key + "," + _key + ",'" + qishu + "','" + _dirname +"\\"+ "face_" + m.Groups[1].Value + "')";
   SaveSqls(sql);
   MatchCollection mc2 = Regex.Matches(responseFromServer, @"href='(\d+.html?)'[\s\S]*?<font\s+color=black>(.*?)</a>|& lt;font[^>]*?>[(.+?)]", RegexOptions.IgnoreCase);
   foreach (Match m2 in mc2)
   {
   newurl = m2.Groups[1].Value;
   string muName = m2.Groups[3].Value;
   if (muName == "")
   {
   muName = mulu;
   }
   string lstr = m2.Groups[2].Value;
   string s1 = "";
   string s2 = "";
   if (lstr != "")
   {
   if (lstr.Contains("."))
   {
   s1 = lstr.Substring(0, lstr.IndexOf("."));
   s2 = lstr.Substring(lstr.LastIndexOf(".") + 1);
   }
   else
   {
   s1 = lstr;
   s2 = "";
   }
   int k2 = ++keyn;
   sql = insertwz + k2 + "," + key + ",'" + muName + "','" + s1 + "','" + s2 + "')";
   SaveSqls(sql);
   cururl = urlpri.Substring(0, urlpri.LastIndexOf("/") + 1) + newurl;
   curdir = _dirname;
   four(cururl, curdir,k2);
   }
   mulu = muName;
   } 
   }
   } 
   public void four(string urlpri,string _dirname,int _key)
   {
   filename = _dirname + "\\" + urlpri.Substring(urlpri.LastIndexOf("/") + 1);
   if (!Directory.Exists(_dirname))
   {
   Directory.CreateDirectory(_dirname);
   }
   if (File.Exists(filename))
   {
   responseFromServer = FileToText(filename);
   }
   else
   {
   responseFromServer = ToServer(urlpri);
   }
   sum++;
   if (responseFromServer != "")
   {
   TextToFile(filename, responseFromServer);
   //分析内容
   Match m = Regex.Match(responseFromServer, @"正文开始-->(?<text>[\s\S]*?)<!--正文结束", RegexOptions.IgnoreCase);
   string content = m.Groups["text"].Value; //得到正文的所有内容
   string c = FilterScript(content);
   c = Remove(c); //得到过滤后的正文内容
   // Match ms = Regex.Match(c, @"正文开始-->(?<text>[\s\S]*?)<!--正文结束", RegexOptions.IgnoreCase);
   
   
   //设置要保存的XML 文件的名称
   string xmlname = urlpri.Substring(urlpri.LastIndexOf("/") + 1, urlpri.LastIndexOf(".") - urlpri.LastIndexOf("/"));
   string pathxml = _dirname + "\\" + xmlname + "xml"; //将路径 和名字一起传过去
   Class1 cs = new Class1(_key, c, pathxml);
   cls.Add(cs);
   //序列化成功
   MatchCollection mc = Regex.Matches(responseFromServer, @"(<img\s+src=""(?<imgs>.*)""\s+hspace|HreF=""([^>]*PDF)"")", RegexOptions.IgnoreCase);
   foreach (Match m2 in mc)
   {
   string imgurl = m2.Groups["imgs"].Value.Trim(); //得到单个图片的名称
   string zhuurl = urlpri.Substring(0, urlpri.LastIndexOf("/") + 1);
   if (imgurl != "")
   {
   string jurl = zhuurl + imgurl; //得到图片的绝对路径 
   DownFile(jurl, _dirname);
   
   }
   string pdfurl = m2.Groups["pdfs"].Value.Trim(); //得到单个PDF 的名称
   if (pdfurl != "")
   {
   string jurl = zhuurl + pdfurl; //得到 pdf 的绝对路径 
   DownFile(jurl, _dirname);
   
   }
   }
   }
   } 
   private void btnOK_Click(object sender, EventArgs e)
   {
   al = ReadIPproxy("e:\\test.txt");//初始化代理 IP
   HtmlSource("http://www.zydg.net/magazine/"); 
   }
   private void button1_Click(object sender, EventArgs e)
   {
   Application.Exit(); 
   }
   
   }
  }
原文地址:https://www.cnblogs.com/top5/p/1904822.html