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string postData = string.Format("a=1&b=2"); //post´«µÝ²ÎÊý
Stream outstream = null;
Stream instream = null;
StreamReader sr = null;
HttpWebResponse response = null;
HttpWebRequest request = null;
Encoding encoding = Encoding.Default;
byte[] data = encoding.GetBytes(postData);
// ×¼±¸ÇëÇó
// ÉèÖòÎÊý
request = WebRequest.Create("http://www.baidu.com") as HttpWebRequest;
CookieContainer cookieContainer = new CookieContainer();
request.CookieContainer = cookieContainer;
request.AllowAutoRedirect = true;
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = data.Length;
outstream = request.GetRequestStream();
outstream.Write(data, 0, data.Length);
outstream.Close();
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{
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// pngtest.htm
<html>
<head></head>
<body bgColor="gray">
<img src="png.ashx" />
</body>
</html>
// png.ashx
<%@ WebHandler Language="C#" Class="Png" %>
using System.Web;
public class Png : IHtt ......
using System.Drawing;
using System.Drawing.Drawing2D;
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/// <summary>
/// Éú³ÉÑéÖ¤Âë
/// </summary>
private void DrowCode()
{
Response.Cache.SetNoStore();
System.Drawing.Bitmap image = new System.Drawing.Bitmap(77, 20);
Graphics g = ......