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java FTP 操作（摘錄）

package ?com.ihandy.shchinamobile.util;

import ?sun.net.ftp. * ;

import ?sun.net. * ;

import ?java.io.FileInputStream;

import ?java.io.FileOutputStream;

import ?java.io.ByteArrayOutputStream;

import ?java.util.ArrayList;

import ?java.util.StringTokenizer;

/**

????FTP遠程命令列表

USER????PORT????RETR????ALLO????DELE????SITE????XMKD????CDUP????FEAT

PASS????PASV????STOR????REST????CWD?????STAT????RMD?????XCUP????OPTS

ACCT????TYPE????APPE????RNFR????XCWD????HELP????XRMD????STOU????AUTH

REIN????STRU????SMNT????RNTO????LIST????NOOP????PWD?????SIZE????PBSZ

QUIT????MODE????SYST????ABOR????NLST????MKD?????XPWD????MDTM????PROT

?????在服務(wù)器上執(zhí)行命令,如果用sendServer來執(zhí)行遠程命令(不能執(zhí)行本地FTP命令)的話，所有FTP命令都要加上\r\n

??????????ftpclient.sendServer("XMKD?/test/bb\r\n");?//執(zhí)行服務(wù)器上的FTP命令

??????????ftpclient.readServerResponse一定要在sendServer后調(diào)用

??????????nameList("/test")獲取指目錄下的文件列表

??????????XMKD建立目錄，當目錄存在的情況下再次創(chuàng)建目錄時報錯

??????????XRMD刪除目錄

??????????DELE刪除文件

*?Title:?使用JAVA操作FTP服務(wù)器(FTP客戶端)

*?Description:?上傳文件的類型及文件大小都放到調(diào)用此類的方法中去檢測，比如放到前臺JAVASCRIPT中去檢測等

*?針對FTP中的所有調(diào)用使用到文件名的地方請使用完整的路徑名（絕對路徑開始）。

*?

*?Copyright:?Copyright?(c)?2005

*?Company:?靜靖工作室

*? @author ?歐朝敬??13873195792

*? @version ?1.0

public ? class ?FTPConnectorBK? {

???? private ?FtpClient?ftpclient;

???? private ?String?ipAddress;

???? private ? int ?ipPort;

???? private ?String?userName;

???? private ?String?PassWord;

???? /**

?????*?構(gòu)造函數(shù)

?????*? @param ?ip?String?機器IP

?????*? @param ?port?String?機器FTP端口號

?????*? @param ?username?String?FTP用戶名

?????*? @param ?password?String?FTP密碼

?????*? @throws ?Exception

????? */

???? public ?FTPConnectorBK(String?ip,? int ?port,?String?username,?String?password)? throws

????????????Exception? {

????????ipAddress? = ? new ?String(ip);

????????ipPort? = ?port;

????????ftpclient? = ? new ?FtpClient(ipAddress,?ipPort);

???????? // ftpclient?=?new?FtpClient(ipAddress);

????????userName? = ? new ?String(username);

????????PassWord? = ? new ?String(password);

????}

???? /**

?????*?構(gòu)造函數(shù)

?????*? @param ?ip?String?機器IP，默認端口為21

?????*? @param ?username?String?FTP用戶名

?????*? @param ?password?String?FTP密碼

?????*? @throws ?Exception

????? */

???? public ?FTPConnectorBK(String?ip,?String?username,?String?password)? throws

????????????Exception? {

????????ipAddress? = ? new ?String(ip);

????????ipPort? = ? 21 ;

????????ftpclient? = ? new ?FtpClient(ipAddress,?ipPort);

???????? // ftpclient?=?new?FtpClient(ipAddress);

????????userName? = ? new ?String(username);

????????PassWord? = ? new ?String(password);

????}

???? /**

?????*?登錄FTP服務(wù)器

?????*? @throws ?Exception

????? */

???? public ? void ?login()? throws ?Exception? {

????????ftpclient.login(userName,?PassWord);

????}

???? /**

?????*?退出FTP服務(wù)器

?????*? @throws ?Exception

????? */

???? public ? void ?logout()? throws ?Exception? {

???????? // 用ftpclient.closeServer()斷開FTP出錯時用下更語句退出

????????ftpclient.sendServer( " QUIT\r\n " );

???????? int ?reply? = ?ftpclient.readServerResponse();? // 取得服務(wù)器的返回信息

????}

???? /**

?????*?在FTP服務(wù)器上建立指定的目錄,當目錄已經(jīng)存在的情下不會影響目錄下的文件,這樣用以判斷FTP

?????*?上傳文件時保證目錄的存在目錄格式必須以"/"根目錄開頭

?????*? @param ?pathList?String

?????*? @throws ?Exception

????? */

???? public ? void ?buildList(String?pathList)? throws ?Exception? {

????????ftpclient.ascii();

????????StringTokenizer?s? = ? new ?StringTokenizer(pathList,? " / " );? // sign

???????? int ?count? = ?s.countTokens();

????????String?pathName? = ? "" ;

???????? while ?(s.hasMoreElements())? {

????????????pathName? = ?pathName? + ? " / " ? + ?(String)?s.nextElement();

???????????? try ? {

????????????????ftpclient.sendServer( " XMKD? " ? + ?pathName? + ? " \r\n " );

????????????} ? catch ?(Exception?e)? {

????????????????e? = ? null ;

????????????}

???????????? int ?reply? = ?ftpclient.readServerResponse();

????????}

????????ftpclient.binary();

????}

???? /**

?????*?取得指定目錄下的所有文件名，不包括目錄名稱

?????*?分析nameList得到的輸入流中的數(shù)，得到指定目錄下的所有文件名

?????*? @param ?fullPath?String

?????*? @return ?ArrayList

?????*? @throws ?Exception

????? */

???? public ?ArrayList?fileNames(String?fullPath)? throws ?Exception? {

????????ftpclient.ascii();? // 注意，使用字符模式

????????TelnetInputStream?list? = ?ftpclient.nameList(fullPath);

???????? byte []?names? = ? new ? byte [ 2048 ];

???????? int ?bufsize? = ? 0 ;

????????bufsize? = ?list.read(names,? 0 ,?names.length);? // 從流中讀取

????????list.close();

????????ArrayList?namesList? = ? new ?ArrayList();

???????? int ?i? = ? 0 ;

???????? int ?j? = ? 0 ;

???????? while ?(i? < ?bufsize? /* names.length */ )? {

???????????? // char?bc?=?(char)?names;

???????????? // System.out.println(i?+?"??"?+?bc?+?"?:?"?+?(int)?names);

???????????? // i?=?i?+?1;

???????????? if ?(names[i]? == ? 10 )? {? // 字符模式為10，二進制模式為13

???????????????? // 文件名在數(shù)據(jù)中開始下標為j,i-j為文件名的長度,文件名在數(shù)據(jù)中的結(jié)束下標為i-1

???????????????? // System.out.write(names,?j,?i?-?j);

???????????????? // System.out.println(j?+?"???"?+?i?+?"????"?+?(i?-?j));

????????????????String?tempName? = ? new ?String(names,?j,?i? - ?j);

????????????????namesList.add(tempName);

???????????????? // System.out.println(temp);

???????????????? // ?處理代碼處

???????????????? // j?=?i?+?2;? // 上一次位置二進制模式

????????????????j? = ?i? + ? 1 ;? // 上一次位置字符模式

????????????}

????????????i? = ?i? + ? 1 ;

????????}

???????? return ?namesList;

????}

???? /**

?????*?上傳文件到FTP服務(wù)器,destination路徑以FTP服務(wù)器的"/"開始，帶文件名、

?????*?上傳文件只能使用二進制模式，當文件存在時再次上傳則會覆蓋

?????*? @param ?source?String

?????*? @param ?destination?String

?????*? @throws ?Exception

????? */

???? public ? void ?upFile(String?source,?String?destination)? throws ?Exception? {

????????buildList(destination.substring( 0 ,?destination.lastIndexOf( " / " )));

????????ftpclient.binary();? // 此行代碼必須放在buildList之后

????????TelnetOutputStream?ftpOut? = ?ftpclient.put(destination);

????????TelnetInputStream?ftpIn? = ? new ?TelnetInputStream( new

????????????????FileInputStream(source),? true );

???????? byte []?buf? = ? new ? byte [ 204800 ];

???????? int ?bufsize? = ? 0 ;

???????? while ?((bufsize? = ?ftpIn.read(buf,? 0 ,?buf.length))? != ? - 1 )? {

????????????ftpOut.write(buf,? 0 ,?bufsize);

????????}

????????ftpIn.close();

????????ftpOut.close();

????}

???? /**

?????*?JSP中的流上傳到FTP服務(wù)器,

?????*?上傳文件只能使用二進制模式，當文件存在時再次上傳則會覆蓋

?????*?字節(jié)數(shù)組做為文件的輸入流,此方法適用于JSP中通過

?????*?request輸入流來直接上傳文件在RequestUpload類中調(diào)用了此方法，

?????*?destination路徑以FTP服務(wù)器的"/"開始，帶文件名

?????*? @param ?sourceData?byte[]

?????*? @param ?destination?String

?????*? @throws ?Exception

????? */

???? public ? void ?upFile( byte []?sourceData,?String?destination)? throws ?Exception? {

????????buildList(destination.substring( 0 ,?destination.lastIndexOf( " / " )));

????????ftpclient.binary();? // 此行代碼必須放在buildList之后

????????TelnetOutputStream?ftpOut? = ?ftpclient.put(destination);

????????ftpOut.write(sourceData,? 0 ,?sourceData.length);

// ????????ftpOut.flush();

????????ftpOut.close();

????}

???? /**

?????*?從FTP文件服務(wù)器上下載文件SourceFileName，到本地destinationFileName

?????*?所有的文件名中都要求包括完整的路徑名在內(nèi)

?????*? @param ?SourceFileName?String

?????*? @param ?destinationFileName?String

?????*? @throws ?Exception

????? */

???? public ? void ?downFile(String?SourceFileName,?String?destinationFileName)? throws

????????????Exception? {

????????ftpclient.binary();? // 一定要使用二進制模式

????????TelnetInputStream?ftpIn? = ?ftpclient.get(SourceFileName);

???????? byte []?buf? = ? new ? byte [ 204800 ];

???????? int ?bufsize? = ? 0 ;

????????FileOutputStream?ftpOut? = ? new ?FileOutputStream(destinationFileName);

???????? while ?((bufsize? = ?ftpIn.read(buf,? 0 ,?buf.length))? != ? - 1 )? {

????????????ftpOut.write(buf,? 0 ,?bufsize);

????????}

????????ftpOut.close();

????????ftpIn.close();

????}

???? /**

?????*從FTP文件服務(wù)器上下載文件，輸出到字節(jié)數(shù)組中

?????*? @param ?SourceFileName?String

?????*? @return ?byte[]

?????*? @throws ?Exception

????? */

???? public ? byte []?downFile(String?SourceFileName)? throws

????????????Exception? {

????????ftpclient.binary();? // 一定要使用二進制模式

????????TelnetInputStream?ftpIn? = ?ftpclient.get(SourceFileName);

????????ByteArrayOutputStream?byteOut? = ? new ?ByteArrayOutputStream();

???????? byte []?buf? = ? new ? byte [ 204800 ];

???????? int ?bufsize? = ? 0 ;

???????? while ?((bufsize? = ?ftpIn.read(buf,? 0 ,?buf.length))? != ? - 1 )? {

????????????byteOut.write(buf,? 0 ,?bufsize);

????????}

???????? byte []?return_arraybyte? = ?byteOut.toByteArray();

????????byteOut.close();

????????ftpIn.close();

???????? return ?return_arraybyte;

????}

???? /** 調(diào)用示例

?????*?FtpUpfile?fUp?=?new?FtpUpfile("192.150.189.22",?21,?"admin",?"admin");

?????*?fUp.login();

?????*?fUp.buildList("/adfadsg/sfsdfd/cc");

?????*?String?destination?=?"/test.zip";

?????*?fUp.upFile("C:\\Documents?and?Settings\\Administrator\\My?Documents\\sample.zip",destination);

?????*?ArrayList?filename?=?fUp.fileNames("/");

?????*?for?(int?i?=?0;?i?<?filename.size();?i++)?{

?????*?????System.out.println(filename.get(i).toString());

?????*?}

?????*?fUp.logout();

?????*? @param ?args?String[]

?????*? @throws ?Exception

????? */

???? public ? static ? void ?main(String[]?args)? throws ?Exception? {

????????FTPConnector?fUp? = ? new ?FTPConnector( " 218.206.76.252 " ,? 21 ,? " ftpuser " ,? " abc123 " );

????????fUp.login();

???????? /* ????????fUp.buildList("/adfadsg/sfsdfd/cc");

????????????????String?destination?=?"/test/SetupDJ.rar";

????????????????fUp.upFile(

?????????"C:\\Documents?and?Settings\\Administrator\\My?Documents\\SetupDJ.rar",

????????????????????????destination);

????????????????ArrayList?filename?=?fUp.fileNames("/");

????????????????for?(int?i?=?0;?i?<?filename.size();?i++)?{

????????????????????System.out.println(filename.get(i).toString());

????????????????}

????????????????fUp.downFile("/sample.zip",?"d:\\sample.zip");

????????? */

????????FileInputStream?fin? = ? new ?FileInputStream(

???????????????? " d:\\OrdSub_20061115133821_401517.xml " );

???????? byte []?data? = ? new ? byte [ 20480000 ];

????????fin.read(data,? 0 ,?data.length);

????????fUp.upFile( " d:/OrdSub_20061115133821_401517.xml " ,? " /OrdSub_20061115133821_401517.xml " );

????????fUp.logout();

????????System.out.println( " 程序運行完成！ " );

???????? /* FTP遠程命令列表

?????????USER????PORT????RETR????ALLO????DELE????SITE????XMKD????CDUP????FEAT

?????????PASS????PASV????STOR????REST????CWD?????STAT????RMD?????XCUP????OPTS

?????????ACCT????TYPE????APPE????RNFR????XCWD????HELP????XRMD????STOU????AUTH

?????????REIN????STRU????SMNT????RNTO????LIST????NOOP????PWD?????SIZE????PBSZ

?????????QUIT????MODE????SYST????ABOR????NLST????MKD?????XPWD????MDTM????PROT

????????? */

???????? /* 在服務(wù)器上執(zhí)行命令,如果用sendServer來執(zhí)行遠程命令(不能執(zhí)行本地FTP命令)的話，所有FTP命令都要加上\r\n

?????????ftpclient.sendServer("XMKD?/test/bb\r\n");?//執(zhí)行服務(wù)器上的FTP命令

?????????ftpclient.readServerResponse一定要在sendServer后調(diào)用

?????????nameList("/test")獲取指目錄下的文件列表

?????????XMKD建立目錄，當目錄存在的情況下再次創(chuàng)建目錄時報錯

?????????XRMD刪除目錄

?????????DELE刪除文件

????????? */

????}

}

posted on 2006-11-27 10:57 一凡閱讀(4730) 評論(7) 編輯收藏所屬分類: JAVA 基礎(chǔ)

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