class Robot { /// attributes // cookies private CookieCollection CkCollection = null; // request and response private HttpWebRequest SparkRequest = null; private HttpWebResponse SparkResponse = null; // some url private string LoginUrl = null; private string ReplyUrl = null; // constructer public Robot() { CkCollection = new CookieCollection(); } // logining public string Login(string url, string usr,string pass) { string Return = null; this.LoginUrl = url; // may be I should add a functin for create string string loginstr = “formhash=3bd8bc0a&referer=index.php&loginmode=&styleid=&cookietime=2592000&loginfield=username&username=” + usr; loginstr += “&password=” + pass; loginstr += “&questionid=0&answer=&loginsubmit=提 交”; loginstr = EncodePost(loginstr); byte[] replybyte = Encoding.UTF8.GetBytes(loginstr); try { CookieContainer sparkc = new CookieContainer(); SparkRequest = (HttpWebRequest)WebRequest.Create(url); SparkRequest.CookieContainer = sparkc; SparkRequest.ContentType = “application/x-www-form-urlencoded”; SparkRequest.Method = “POST”; SparkRequest.ContentLength = replybyte.Length; Stream newStream = SparkRequest.GetRequestStream(); newStream.Write(replybyte, 0, replybyte.Length); newStream.Close(); SparkResponse = (HttpWebResponse)SparkRequest.GetResponse(); Stream dataStream = SparkResponse.GetResponseStream(); StreamReader reader = new StreamReader(dataStream, Encoding.GetEncoding(“gb2312”)); Return = reader.ReadToEnd(); // check cookie foreach (Cookie temp in SparkResponse.Cookies) { if (temp.Domain != “spark.cjlu.edu.cn”) temp.Domain = “spark.cjlu.edu.cn”; } CkCollection = SparkResponse.Cookies; } catch { return null; } return Return; } // overload /* public bool Login(string usr, string pass) { ; }*/ // reply…… public string Reply(string url,string formhash,string title,string content) { SparkRequest = (HttpWebRequest)WebRequest.Create(“http://spark.cjlu.edu.cn/bbs/”+url); SparkRequest.ContentType = “application/x-www-form-urlencoded”; SparkRequest.Method = “POST”; //SparkRequest.Referer = “http://spark.cjlu.edu.cn/bbs/index.php”; SparkRequest.KeepAlive = true; SparkRequest.AllowWriteStreamBuffering = false; // set cookie CookieContainer cookieCon = new CookieContainer(); SparkRequest.CookieContainer = cookieCon; SparkRequest.CookieContainer.Add(CkCollection); // get post value string reply = EncodePost(“formhash=” + formhash + “&subject=&usesig=1&message=” + content); byte[] replybyte = Encoding.UTF8.GetBytes(reply); SparkRequest.ContentLength = replybyte.Length; Stream newStream = SparkRequest.GetRequestStream(); newStream.Write(replybyte, 0, replybyte.Length); newStream.Close(); // get response SparkResponse = (HttpWebResponse)SparkRequest.GetResponse(); Stream dataStream = SparkResponse.GetResponseStream(); StreamReader reader = new StreamReader(dataStream, Encoding.GetEncoding(“gb2312”)); string tt = reader.ReadToEnd(); reader.Close(); dataStream.Close(); SparkResponse.Close(); return tt; } // encode the post string private string EncodePost(string input) { string output = null; Char[] reserved = { ‘?’, ‘=’, ‘&’ }; if (input != null) { int i = 0, j; while (i < input.Length) { j = input.IndexOfAny(reserved, i); if (j == -1) { output = output + HttpUtility.UrlEncode(input.Substring(i, input.Length – i), System.Text.Encoding.GetEncoding(“gb2312”)); break; } string tt = HttpUtility.UrlEncode(input.Substring(i, j – i), System.Text.Encoding.GetEncoding(“gb2312”)); output += tt; output += input.Substring(j, 1); i = j + 1; } return output; } else return null; } }勇于接受自己的失败，告诉自己，这就是自己的现实，
