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private void Page_Load(object sender, System.EventArgs e) { string url="http://localhost/webUserWindowExample/WebForm5.aspx"; System.Net .CookieContainer cook=new System.Net .CookieContainer(); string gets=getHTMLByUrlCook(url,ref cook,"Get",null,true); string strViewState = System.Text .RegularExpressions .Regex.Replace(gets,"[\\s*\\S*]*<input type="hidden" name="__VIEWSTATE" value="([^"]*)"[\\s*\\S*]*","$1",System.Text .RegularExpressions.RegexOptions.IgnoreCase); string param="__VIEWSTATE="+System.Web.HttpUtility.UrlEncode(strViewState)+"&TextBox1=xxxx&Button1=Button&CheckBox1=on"; string s=a.getHTMLByUrlCook(url,ref cook,"POST",param,true); Response.Write(s); } public string getHTMLByUrlCook(string url,ref System.Net.CookieContainer cook,string sMethod,string Param,bool bAutoRedirect) { sMethod = sMethod.ToUpper(); sMethod = sMethod!="POST"?"GET":sMethod; string res =""; HttpWebRequest re =(HttpWebRequest)HttpWebRequest.Create(url); re.CookieContainer = cook; // attach the cook object re.Method = sMethod; // re.AllowAutoRedirect = bAutoRedirect; // re.UserAgent="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; MyIE2; .NET CLR 1.1.4322)"; // //re.ClientCertificates = new System.Security.Cryptography.X509Certificates.X509CertificateCollection(); //re.ClientCertificates = System.Security.Cryptography.X509Certificates.X509Certificate.CreateFromSignedFile(); //re.Timeout = 2000; if (sMethod =="POST") // Post data to Server { re.ContentType="application/x-www-form-urlencoded"; Byte[] b = System.Text.Encoding.UTF8.GetBytes(Param); re.ContentLength = b.Length; try { Stream oSRe = re.GetRequestStream(); oSRe.Write(b,0,b.Length); oSRe.Close(); oSRe = null; } catch(Exception ) { re = null; return "-1"; } } HttpWebResponse rep = null; Stream oResponseStream = null; StreamReader oSReader = null; try { rep=(HttpWebResponse)re.GetResponse(); oResponseStream = rep.GetResponseStream(); oSReader = new StreamReader(oResponseStream,System.Text.Encoding.Default); res =oSReader.ReadToEnd(); } catch (System.Net.WebException e) { //res ="-1"; res = e.ToString(); } if (rep!=null) { rep.Close(); rep = null; } if(oResponseStream!= null) { oResponseStream.Close(); oResponseStream = null; } if(oSReader!=null) { oSReader.Close(); oSReader = null; } re = null; return res; } 返回类别: 教程 上一教程: 加密页面代码生成器 下一教程: 用ASP制作在线测试 您可以阅读与"网上取数据的一个例子"相关的教程: · 无刷新取数据的一个例子 · 断开的数据库连接的一个例子 · DOM遍历XML的一个例子,结果为树状结构 · 通过表单创建WORD的一个例子 · 一个用asp+存取数据库的例子 |
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