C# 获取源代码

Dear 丶 2021-12-10 13:19 281阅读 0赞

1 using  System;  
  2  using  System.Data;  
  3  using  System.Configuration;  
  4  using  System.Web;  
  5  using  System.Web.Security;  
  6  using  System.Web.UI;  
  7  using  System.Web.UI.WebControls;  
  8  using  System.Web.UI.WebControls.WebParts;  
  9  using  System.Web.UI.HtmlControls;  
  10  using  System.Net;  
  11  using  System.Text;  
  12  using  System.IO;  
  13   
  14  public  partial  class  \_Default : System.Web.UI.Page  
  15 \{  
  16  ///  <summary>   
  17  ///  塗聚文  
  18  ///  涂聚文  
  19  ///  </summary>   
  20  ///  <param name="sender"></param>   
  21  ///  <param name="e"></param>   
  22   protected  void  Page\_Load( object  sender, EventArgs e)  
  23  \{  
  24  // 获取URL地址   
  25   string  url  =  Request.Url.ToString();  
  26  txtUrl.Text  =  url;  
  27  // 获取IP地址   
  28   string  ips =  Request.UserHostAddress.ToString();  
  29  txtIp.Text  =  ips;  
  30  // 浏览器   
  31   string  fr  =  Request.Browser.Type.ToString();  
  32  txtbrows.Text  =  fr;  
  33  string  cp ; // = Request.UserAgent.ToString()  
  34  // 操作系统   
  35   cp = GetOSNameByUserAgent(Request.UserAgent.ToString());  
  36  txtcp.Text  =  cp;  
  37  // 浏览器版本号  
  38  // this.txtbrows.Text = Request.Browser.ClrVersion.ToString();  
  39  //  txtUrl.Text = Request.ServerVariables\["http\_referer"\];   
  40   \}  
  41   
  42  protected  void  btnGet\_Click( object  sender, EventArgs e)  
  43  \{  
  44  txtUrl.Text  =  Request.ServerVariables\[ " http\_referer " \]; // ServerViables\["http\_referer"\];   
  45   string  strurl =  txtUrl.Text.ToString();  // 欲获取的网页地址 要 http: //  
  46   WebClient myWebClient  =  new  WebClient();  // 创建WebClient实例myWebClient  
  47   
  48  // 获取或设置用于对向 Internet 资源的请求进行身份验证的网络凭据。   
  49   myWebClient.Credentials  =  CredentialCache.DefaultCredentials;  
  50  //  Request.ServerVariables("HTTP\_HOST");  
  51  // 从资源下载数据并返回字节数组。（加@是因为网址中间有"/"符号）   
  52   byte \[\] pagedata  =  myWebClient.DownloadData(@strurl);  
  53   
  54  string  result  =  Encoding.Default.GetString(pagedata);  // 如果获取网站页面采用的是GB2312，则使用这句  
  55  // string result = Encoding.UTF8.GetString(pagedata);  // 如果获取网站页面采用的是UTF-8，则使用这句   
  56   Response.Write(result);  // 在WEB页中显示获取的内容   
  57   Panel1.Visible  =  false ;  
  58   
  59  \}  
  60  ///  <summary>   
  61  ///  根据 User Agent 获取操作系统名称  
  62  ///  </summary>    
  63   private  string  GetOSNameByUserAgent( string  userAgent)  
  64  \{  
  65  string  osVersion  =  " 未知 " ;  
  66  if  (userAgent.Contains( " NT 6.2 " ))  
  67  \{  
  68  osVersion  =  " Windows 8/Windows Server 2012 " ;  
  69  \}  
  70  else  if  (userAgent.Contains( " NT 6.1 " ))  
  71  \{  
  72  osVersion  =  " Windows 7/Windows Server 2008 R2 " ;  
  73  \}  
  74  else  if  (userAgent.Contains( " NT 6.0 " ))  
  75  \{  
  76  osVersion  =  " Windows Vista/Server 2008 " ;  
  77  \}  
  78  else  if  (userAgent.Contains( " NT 5.2 " ))  
  79  \{  
  80  osVersion  =  " Windows Server 2003 " ;  
  81  \}  
  82  else  if  (userAgent.Contains( " NT 5.1 " ))  
  83  \{  
  84  osVersion  =  " Windows XP " ;  
  85  \}  
  86  else  if  (userAgent.Contains( " NT 5 " ))  
  87  \{  
  88  osVersion  =  " Windows 2000 " ;  
  89  \}  
  90  else  if  (userAgent.Contains( " NT 4 " ))  
  91  \{  
  92  osVersion  =  " Windows NT4 " ;  
  93  \}  
  94  else  if  (userAgent.Contains( " Me " ))  
  95  \{  
  96  osVersion  =  " Windows Me " ;  
  97  \}  
  98  else  if  (userAgent.Contains( " 98 " ))  
  99  \{  
 100  osVersion  =  " Windows 98 " ;  
 101  \}  
 102  else  if  (userAgent.Contains( " 95 " ))  
 103  \{  
 104  osVersion  =  " Windows 95 " ;  
 105  \}  
 106  else  if  (userAgent.Contains( " Mac " ))  
 107  \{  
 108  osVersion  =  " Mac " ;  
 109  \}  
 110  else  if  (userAgent.Contains( " Unix " ))  
 111  \{  
 112  osVersion  =  " UNIX " ;  
 113  \}  
 114  else  if  (userAgent.Contains( " Linux " ))  
 115  \{  
 116  osVersion  =  " Linux " ;  
 117  \}  
 118  else  if  (userAgent.Contains( " SunOS " ))  
 119  \{  
 120  osVersion  =  " SunOS " ;  
 121  \}  
 122  return  osVersion;  
 123  \}  
 124  ///  <summary>   
 125   
 126  ///  获取源代码  
 127   
 128  ///  </summary>   
 129   
 130  ///  <param name="url"></param>   
 131   
 132  ///  <param name="encoding"></param>   
 133   
 134  ///  <returns></returns>   
 135    
 136  public  static  string  GetPage( string  url, Encoding encoding)  
 137  \{  
 138   
 139  HttpWebRequest request  =  null ;  
 140   
 141  HttpWebResponse response  =  null ;  
 142   
 143  StreamReader reader  =  null ;  
 144   
 145  try   
 146  \{  
 147   
 148  request  =  (HttpWebRequest)WebRequest.Create(url);  
 149   
 150  request.UserAgent  =  " www.dupcit.com " ;  
 151   
 152  request.Timeout  =  20000 ;  
 153   
 154  request.AllowAutoRedirect  =  false ;  
 155   
 156   
 157   
 158  response  =  (HttpWebResponse)request.GetResponse();  
 159   
 160  if  (response.StatusCode  ==  HttpStatusCode.OK  &&  response.ContentLength  <  1024  \*  1024 )  
 161  \{  
 162   
 163  reader  =  new  StreamReader(response.GetResponseStream(), encoding);  
 164   
 165  string  html  =  reader.ReadToEnd();  
 166   
 167   
 168   
 169  return  html;  
 170   
 171  \}  
 172   
 173  \}  
 174   
 175  catch   
 176  \{  
 177   
 178  \}  
 179   
 180  finally   
 181  \{  
 182   
 183   
 184   
 185  if  (response  !=  null )  
 186  \{  
 187   
 188  response.Close();  
 189   
 190  response  =  null ;  
 191   
 192  \}  
 193   
 194  if  (reader  !=  null )  
 195   
 196  reader.Close();  
 197   
 198   
 199   
 200  if  (request  !=  null )  
 201   
 202  request  =  null ;  
 203   
 204   
 205   
 206  \}  
 207   
 208   
 209   
 210  return  string .Empty;  
 211   
 212  \}  
 213 \}

转载于:https://www.cnblogs.com/geovindu/archive/2011/05/09/2041522.html