这里我给大家提供一个很实用的例子，就是在线发送ICQ信息。想一想我们在网页上直接给朋友发送ICQ信息，那是多么美妙的事情啊。呵呵，在吹牛啊，其实ICQ本来就有在线发送的代码，不过，这些都是AOL给你写好的代码，多没有意思啊。还是自已写的比较好，呵呵,废话少说，大家来看代码吧
<% @ Page Langua
ge="C#" %>
<% @ Assembly Name="System.Net" %>
<% @ Import Namespace="System.Net" %>
<% @ Import Namespace="System.Net.Sockets" %>
<% @ Import Namespace="System.IO" %>
<% @ Import Namespace="System.Text" %>
<Script Language="C#" Runat="Server">
public void Page_Load(Object src,EventArgs e)
{
ICQ_Show.Text="如果提交后，在这里显示信息";
}
public void Send_Click(Object sender,EventArgs e)
{
string sendmsg;
string commandmsg;
//首先取得要发送的信息
commandmsg = "from="+ICQ_Name.Text+"&fromemail="+ICQ_Email.Text+"&subject=";
commandmsg += ICQ_Subject.Text+"&body="+ICQ_Message.Text+"&to="+ICQ_Number.Text
commandmsg += "&Send=Send+Message";
//然后就是组装全部的信息
sendmsg="POST /scripts/WWPMsg.dll HTTP/1.1\r\n";
sendmsg += "Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg,";
sendmsg += " application/vnd.ms-excel,";
sendmsg += " application/msword, application/vnd.ms-powerpoint, */*\r\n";
sendmsg += "Accept-Language: zh-cn\r\n";
sendmsg += "Content-Type: application/x-www-form-urlencoded\r\n";
sendmsg += "Accept-Encoding: gzip, deflate\r\n";
sendmsg += "User-Agent: Mozilla/4.0 (compatible; MSIE 5.01; Windows 95)\r\n";
sendmsg += "Host: wwp.icq.com\r\n";
sendmsg += "Content-Length: " + commandmsg.Length + "\r\n";
sendmsg += "Connection: Keep-Alive\r\n\r\n";
sendmsg += commandmsg + "\r\n\r\n";
Byte[] arrMsg=Encoding.Default.GetBytes(sendmsg.ToCharArray());
//需要发送的信息处理完毕
//======下面就是发送这些信息=====
//首先是建立一个TCPClient 对象
TCPClient tcpc=new TCPClient();
if(0==tcpc.Connect("wwp.icq.com",80))
{
Stream sm = tcpc.GetStream();
sm.Write(arrMsg,0,sendmsg.Length);
StreamReader sr=new StreamReader(tcpc.GetStream(),Encoding.Default);
string strRev=sr.ReadLine();
if(strRev.IndexOf("OK")!=-1)
{
ICQ_Show.Text="ICQ消息发送成功";
}
else
{
ICQ_Show.Text="ICQ消息发送不成功";
}
}
else
{
ICQ_Show.Text="ICQ消息发送不成功，无法联结ICQ服务器";
}
//关闭TCP联结
tcpc.Close();
}
</script>
<html>
<meta http-equiv="Content-Language" content="zh-cn">
<head>
<title></title>
</head>
<body>
<form runat="server" >
<table>
<tr><td align=center colspan=2>
<asp:Label id="ICQ_Show" runat="server" ForeColor="red" /></td></tr>
<tr><td>
</tr>
<tr><td align=center colspan=2>发送ICQ信息</td></tr>
<tr><td>您的ICQ号:</td><td><asp:TextBox id="ICQ_Number" runat="server" /></td></tr>
<tr><td>您的网名:</td><td><asp:TextBox id="ICQ_Name" runat="server" /></td></tr>
<tr><td>您的Email:</td><td><asp:TextBox id="ICQ_Email" runat="server" /></td></tr>
<tr><td>发送主题:</td><td><asp:TextBox id="ICQ_Subject" runat="server" /></td></tr>
<tr><td>发送内容:</td><td><asp:TextBox id="ICQ_Message" runat="server" /></td></tr>
<tr><td><asp:Button OnClick="Send_Click" Text="发送ICQ信息" RunAt="server" /></td></tr>
</table>
</form>
</body>
</html>