網(wǎng)絡編程-實驗報告

1、貴州大學實驗報告學院：計算機學院專業(yè)：軟件工程班級：軟件 123班姓名*學號*實驗組實驗時間2015-5-9指導教師蔡麗成績實驗項目名稱FTP上傳T載器編程實驗目的通過本實驗掌握C鼾FTP上傳下載器編程的方法，了解其區(qū)別與適用場 合。實驗要求了解C#勺UDP編程方法。實驗原理使用.NET請求/響應模型的FtpWebRequest類和FtpWebRespons族實現(xiàn)簡單的Web瀏覽器實驗環(huán)境Visual Studio開發(fā)環(huán)境1.設計程序界面。2.實現(xiàn)程序功能。實現(xiàn)簡單的 Web瀏覽器，要求使用.NET請求/響應模型的FtpWebRequest類和 FtpWebRespons戰(zhàn)。服務器核心代碼實R

2、epleyCommandToUser(user, sendString);RepleyCommandToUser(user, sendString);incorrect."elsesendString = "501 PASS command Syntax error."RepleyCommandToUser(user, sendString); ateTimeFormat;.");(path);AddInfo("刪除成功");sendString = "250 File " + filename + "

3、has been deleted."RepleyCommandToUser(user, sendString);#endregion#region模式設置命令ddressList1;eplace('.', ',');符串來組合這四個參數(shù)得到IP地址+ temp1 + "." + temp2 + "." + temp3;.");tryifbyte口 bytes = new byte1024;BinaryReader binaryReader = newBinaryReader(fs);int count

4、= (bytes, 0,;while (count > 0)0, count);StreamReader streamReader = newStreamReader(fs);.”)；BinaryWriter binaryWriter = newBinaryWriter(fs);int count = 0,while (count > 0)(bytes, 0, count)()；count = 0,elseStreamWriter streamWriter = newStreamWriter(fs);while > -1)();AddInfo("接收完畢”);fin

5、ally()；oString();()；=true;=false=false;=false=false=false;#region鍵盤按下事件private void txtUserName_KeyPress(object sender,KeyPressEventArgs e).");string s =();();();I();"傳輸完成");ndsWith(".")length = ftpdiri.Length - 2;break; for (int i = 0; i < ; i+)s = ftpdiri;int index = (&

6、#39;t');if (index = -1)string name = (index + 1);if (name = "." | name =".")continue;dirname = namefieldnamefieldlength - 1;| name =".")continue;ontains("<dir>")string口 namefield =('');int namefieldlength =;string filename;filename = namefiel

7、dnamefieldlength - 1;|*"if () !二return;FileInfo fileinfo = new FileInfo;trystring uri = GetUriString;FtpWebRequest request =CreateFTPWebRequest(uri,=;int buflength = 8196;byte口 buffer = new bytebuflength;FileStream filestream =();Stream responseStream =();“打開上傳流，文件上傳中)int contenlength = (buffer

8、, 0, buflength);while (contenlength != 0)(buffer, 0, contenlength);contenlength = (buffer, 0, buflength);FtpWebResponse response =GetFTPWebResponse(request);if (response = null)"上傳完畢，服務器返回："+ + "" +=-1;（"上傳成功！”）；string filePath =;trystring uri = GetUriString(fileName);FtpWeb

9、Request request =CreateFTPWebRequest(uri,FtpWebResponseresponse = GetFTPWebResponse(request);if (response = null)"服務器未響應)=-1;return;Stream responseStream =();FileStream filestream = (filePath);int buflength = 8196;byte口 buffer = new bytebuflength;int bytesRead = 1;“打開下載通道，文件下載中while (bytesRead

10、!= 0)bytesRead = (buffer, 0, buflength);(buffer, 0, bytesRead);();();"下載完畢，服務器返回："+ + "" +=-1;（"下載完成！"）；catch （WebException ex）"發(fā)生錯誤，返回狀態(tài)為："+ ;=-1;，"下載失敗"）；"文件刪除成功，服務器返回："+ + "" + ;ShowFtpFileAndDirectory();elsereturn;catch (WebEx

11、ception ex)"發(fā)生錯誤，返回狀態(tài)為："+=-1;，"刪除失敗");#endregion/ <summary>/變更目錄操作/ </summary>/ <param name="sender"></param>/ <param name="e"></param>private void lstboxFTPResource_MouseDoubleClick(objectsender, MouseEventArgs e)/點擊返回上層目錄i

12、f = 0)if (currentDir = "/")I0("當前目錄已經(jīng)是頂層目錄",""return;int index = ("/");if (index = 0)_currentDir = "/"elsecurrentDir = (0, index);/每次更改目錄后立即刷新資源列表ShowFtpFileAndDirectory();elseif > 0 && "目錄")if (currentDir = "/")current

13、Dir = "/"elsecurrentDir = currentDir + "/"string口 _currentDirfield =('')；currentDir = _currentDirfield0;/每次更改目錄后立即刷新資源列表ShowFtpFileAndDirectory();啟動服務器:登陸鏈接:叫FTP文件上傳下載黑 1”一 ！回連接狀態(tài):策的文件列表I返上層目錄【目箓TTZstfii電cChrys mEk電面s.pgR”自 rt_ jpg下載I上甚天施勞署回應信息；【23 口 Us er log孚din succms220 FTP Strvtr vLO朋替器返回的是；OptiuncDalt 150 OpmiiLf ASCII dat* sm欄uti口工lE姑上e任niH般受量JBxft 旬四 S：疔1 I t FT? $<rwr S 0)、節(jié)£器運團七OlmC.c.yXE -曹繇櫻牌蛾曾六i" FlServer -SlMfofiK)爾：,，5水iblrT<xtJ>nd»TircP»fwit