1、System.Net.HttpWebRequest 类
http://msdn.microsoft.com/library/chs/default.asp?url=/library/CHS/cpref/html/frlrfsystemnetwebrequestclasstopic.asp
如下代码以Post方式发送数据：
using System.IO;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
private void btnConfirm_Click(object sender, System.EventArgs e)
{
string UserName = txtUserName.Text;
string SpotID = txtSpotID.Text;
string BBS = txtBBS.Text;
string Board = txtBoard.Text;
string Title = txtTitle.Text;
string Content = txtContent.Text;
Content = NoHTML(Content);//去除HTML标记
string UserIp = Request.ServerVariables["REMOTE_HOST"].ToString();
string PostUrl = "";
string PostDateTime = DateTime.Now.ToString();
string WebSite = "";//服务器接收页面
WebSite = System.Configuration.ConfigurationSettings.AppSettings["PostUrl"];
string strQuery = "UserName="+ UserName +"&SpotID="+ SpotID +"&BBS="+ BBS +"&Board="+ Board +
"&Title="+ Title +"&Content="+ Content +"&UserIp="+ UserIp +"&PostUrl="+ PostUrl +"&PostDateTime="+ PostDateTime;//数据参数队列
Encoding encoding = Encoding.UTF8;
byte[] data = encoding.GetBytes(strQuery);
// 准备请求...
HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(WebSite);
myRequest.Method = "POST";
myRequest.ContentType="application/x-www-form-urlencoded";
myRequest.ContentLength = data.Length;
Stream newStream=myRequest.GetRequestStream();
// 发送数据
newStream.Write(data,0,data.Length);
newStream.Close();
Page.RegisterStartupScript("script",GetShowAlert("发表成功！","window.location.href('ClientPostNote.aspx');"));
}
/// <summary>
/// 去除HTML标记
/// </summary>
/// <param name="Htmlstring">包括HTML的源码 </param>
/// <returns>已经去除后的文字</returns>
public string NoHTML(string Htmlstring)
{
//删除脚本
Htmlstring = Htmlstring.Replace("\r\n","");
Htmlstring = Regex.Replace(Htmlstring,@"<script.*?</script>","",RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,@"<style.*?</style>","",RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,@"<.*?>","",RegexOptions.IgnoreCase);
//删除HTML
Htmlstring = Regex.Replace(Htmlstring,@"<(.[^>]*)>","",RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,@"([\r\n])[\s]+","",RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,@"-->","",RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,@"<!--.*","",RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,@"&(quot|#34);","\"",RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,@"&(amp|#38);","&",RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,@"&(lt|#60);","<",RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,@"&(gt|#62);",">",RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,@"&(nbsp|#160);","",RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,@"&(iexcl|#161);","\xa1",RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,@"&(cent|#162);","\xa2",RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,@"&(pound|#163);","\xa3",RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,@"&(copy|#169);","\xa9",RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,@"&#(\d+);","",RegexOptions.IgnoreCase);
Htmlstring = Htmlstring.Replace("<","");
Htmlstring = Htmlstring.Replace(">","");
Htmlstring = Htmlstring.Replace("\r\n","");
Htmlstring=HttpContext.Current.Server.HtmlEncode(Htmlstring).Trim();
return Htmlstring;
}
public string GetShowAlert(string info,string action)
{
string strScript = String.Empty;
strScript = "<script language=javascript> \r\n";
strScript += "document.onreadystatechange = ShowAlert;\r\n";
strScript += "function ShowAlert() \r\n";
strScript += "{\r\n";
strScript += "if(document.readyState == \"complete\") \r\n";
strScript += "{\r\n";
strScript += "alert('" + info.Replace("'","").Replace("\n","").Replace("\r","") + "');\r\n";
if(action.Length > 0)
{
if(action[action.Length-1]!=';')
action = action + ";";
strScript += action + " \r\n";
}
strScript += "}\r\n";
strScript += "}\r\n";
strScript += "</script>";
return strScript;
}
2、System.Net.WebRequest 类
http://msdn.microsoft.com/library/chs/default.asp?url=/library/CHS/cpref/html/frlrfsystemnetwebrequestclasstopic.asp
如下代码以Get方式异步发送数据：
using System.IO;
using System.Net;
using System.Text.RegularExpressions;
private void btnConfirm_Click(object sender, System.EventArgs e)
{
string UserName = txtUserName.Text;
string SpotID = txtSpotID.Text;
string BBS = txtBBS.Text;
string Board = txtBoard.Text;
string Title = txtTitle.Text;
string Content = NoHTML(txtContent.Text);
string UserIp = Request.ServerVariables["REMOTE_HOST"].ToString();
string PostUrl = "";
string PostDateTime = DateTime.Now.ToString();
string noteinfo = "";//帖子内容
noteinfo = "帖子内容："
+"\r\n 用户名："+ UserName +"\r\n 网站："+ SpotID +"\r\n 论坛："+ BBS
+"\r\n 版块："+ Board +"\r\n 标题："+ Title +"\r\n 内容："+ Content
+"\r\n IP："+ UserIp +"\r\n URL："+ PostUrl +"\r\n";
string WebSite = "";//服务器接收页面
WebSite = System.Configuration.ConfigurationSettings.AppSettings["PostUrl"];
string Parameters = "UserName;SpotID;BBS;Board;Title;Content;UserIp;PostUrl;PostDateTime";
string ParameterValues = UserName+";"+SpotID+";"+BBS+";"+Board+";"+Title+";"+Content+";"+UserIp+";"+PostUrl+";"+PostDateTime;
BLLPostData(noteinfo,WebSite,Parameters,ParameterValues);//异步Post数据
Page.RegisterStartupScript("script",GetShowAlert("发表成功！","window.location.href('AddNoteNet.aspx');"));
}
public void BLLPostData(string noteinfo,string WebSite,string Parameters,string ParameterValues)
{
BLLPostDataDeal(noteinfo,WebSite,Parameters,ParameterValues);
}
/// <summary>
/// 异步Post数据
/// </summary>
private void BLLPostDataDeal(string noteinfo,string WebSite,string Parameters,string ParameterValues)
{
AsyncPostDataDeal asynci = new AsyncPostDataDeal(AsPostDataDeal);
//AsyncCallback cb = new AsyncCallback(Results);
//IAsyncResult ar = asynci.BeginInvoke(PhoneNo,LoginName,Mobile,CusID,XMLData,cb,asynci);
//在开始异步调用时不提供回调委托
IAsyncResult ar = asynci.BeginInvoke(noteinfo,WebSite,Parameters,ParameterValues,null,asynci);
}
public delegate void AsyncPostDataDeal(string noteinfo,string WebSite,string Parameters,string ParameterValues);
private void AsPostDataDeal(string noteinfo,string WebSite,string Parameters,string ParameterValues)
{
string msg = "";//日志
try
{
if(WebSite!="")
{
string RegResult = "";//接收返回值
RegResult = ConnectToWebSite2(WebSite,Parameters,ParameterValues);
//int IsSuccess = -1;//接收情况
if(RegResult=="Y")
{
//IsSuccess = 1;
msg = DateTime.Now.ToString() + " 帖子传输成功！\r\n" + noteinfo;
Log(msg);
}
else if(RegResult=="N")
{
//IsSuccess = 0;
msg = DateTime.Now.ToString() + " 数据插入出现问题,传输不成功！\r\n" + noteinfo;
Log(msg);
}
else if(RegResult=="F")
{
//IsSuccess = 2;
msg = DateTime.Now.ToString() + " 服务器出现问题,传输不成功！\r\n" + noteinfo;
Log(msg);
}
}
else
{
msg = DateTime.Now.ToString() + " 未取得传输网址，不能继续进行传输！\r\n" + noteinfo;
Log(msg);
}
}
catch(Exception ex)
{
msg = DateTime.Now.ToString() + " 传输失败！错误如下："+ ex.Message +"\r\n" + noteinfo;
Log(msg);
}
}
/// <summary>
/// 用指定的参数（“;”分隔）访问指定的网址
/// </summary>
/// <param name="网址"></param>
/// <param name="参数名称"></param>
/// <param name="参数值"></param>
/// <returns></returns>
public string ConnectToWebSite2(string Web,string Parameters,string ParameterValues)
{
string sPageText="";
Stream responseStream=null;
StreamReader reader=null;
Web+="?1=1";
if (Parameters.Trim() == "" || ParameterValues.Trim() == "")
{
Log("参数或参数值没指定，请确认！");
}
else
{
string Delimeter = ";";
string[] aryParm = Parameters.Split(Delimeter.ToCharArray());
string[] aryParmValue = ParameterValues.Split(Delimeter.ToCharArray());
if (aryParm.Length != aryParmValue.Length)
{
Log("参数的数量和参数值的数量不相等，请确认！");
}
else
{
for (int i=0; i<aryParm.Length; i++)
{
aryParmValue[i] = System.Web.HttpUtility.UrlEncode(aryParmValue[i].ToString());
Web+="&"+aryParm[i].Trim()+"="+aryParmValue[i].Trim();
}
System.Uri RegUri=new Uri(Web);
WebRequest request=WebRequest.Create(RegUri);
WebResponse response=request.GetResponse();
try
{
responseStream=response.GetResponseStream();
reader=new StreamReader(responseStream,System.Text.Encoding.Default);
sPageText=reader.ReadToEnd();
}
finally
{
reader.Close();
responseStream.Close();
response.Close();
}
}
}
return sPageText;
}
public void Log(string logText)
{
string strPath = AppDomain.CurrentDomain.BaseDirectory + @"\Log";
if (!System.IO.Directory.Exists(strPath))
{
System.IO.Directory.CreateDirectory(strPath);
}
StreamWriter sw = null;
string fileName= strPath + @"\log.txt";
if (File.Exists(fileName))
{
sw = File.AppendText(fileName);
}
else
{
sw = new StreamWriter(fileName);
}
sw.WriteLine(logText);
sw.Close();
}