android文件上傳fttp的各種操作代碼實例

1、packagecom.yokoto.utils;importjava.io.File;importjava.io.IOException;importjava.io.InputStream;importjava.io.OutputStream;importjava.io.RandomAccessFile;importjava.util.ArrayList;importjava.util.Collections;importjava.util.Comparator;importjava.util.List;.ftp.FTP;.ftp.FTPClient;.ftp.FTPClientConfig;

2、.ftp.FTPFile;.ftp.FTPReply;importandroid.os.Handler;publicclassFtpUtil/*連接 FTP 服務器*paramport* paramusername* parampassword* return* authorLouison2010-11-27&memoryCatV1.0*/publicstaticFTPClientconnectFtp(StringserverUrl,intport,Stringusername,Stringpassword)serverUrl=EncryptUtil.decode(serverUrl)

3、;username=EncryptUtil.decode(username);password=EncryptUtil.decode(password);FTPClientftp=newFTPClient();ftp.setControlEncoding(GBK);tryif(port=0)ftp.connect(serverUrl);elseftp.connect(serverUrl,port);if(ftp.login(username,password)FTPClientConfigconf=newFTPClientConfig(getSystemKey(ftp.getSystemNam

4、e();conf.setServerLanguageCode(zh);ftp.configure(conf);intreply=ftp.getReplyCode();if(!FTPReply.isPositiveCompletion(reply)ftp.disconnect();ftp.logout();elseftp.enterLocalPassiveMode();ftp.setFileType(FTP.BINARY_FILE_TYPE);returnftp;elsereturnnull;catch(IOExceptione)returnnull;returnnull;publicstati

5、cvoiduploadFile(FTPClientftp,StringserverDir,StringlocalFile,handler,Stringmessage)uploadFile(ftp,serverDir,newFile(localFile),handler,message);/*上載本地文件到 FTP 目錄*paramftp*paramserverDirFTP 目錄*paramlocalFile本地文件*authorLouison2010-11-29&memoryCatV1.0*/publicstaticvoiduploadFile(FTPClientftp,Strings

6、erverDir,FilelocalFile,handler,Stringmessage)tryftp.initiateListParsing();FTPFile 口 remoteFiles=ftp.listFiles();if(localFile.isFile()HandlerHandlerStringname=localFile.getName();/假如服務器不存在這個目錄，則創(chuàng)建它(只支持 mkdir,不支持 mkdirs 的多級目錄創(chuàng)建)if(ftp.listFiles(serverDir)=null|ftp.listFiles(serverDir).length=0)ftp.mak

7、eDirectory(serverDir);OutputStreamos=ftp.storeFileStream(serverDir+name);if(os!=null)RandomAccessFileraf=newRandomAccessFile(localFile,rw);/如果遠程文件存在，并且小于當前文件大小FTPFileremoteFile=existsFile(remoteFiles,localFile);if(remoteFile!=null&raf.length()=remoteFile.getSize()raf.seek(remoteFile.getSize();lo

8、ngupLoadFileSize=0;byte 口 buf=newbyte1024;do/循環(huán)讀取，每次讀取 1kbintnumread=raf.read(buf);if(numread=-1)break;)os.write(buf,0,numread);os.flush();upLoadFileSize+=numread;if(message!=null)HandlerUtil.updateTitle(handler,message+(upLoadFileSize/1024)+kb);)while(true);raf.close();os.close();if(pletePendingCom

9、mand()System.out.println(done!);elseSystem.out.println(cantputfile:+name);elseSystem.out.println(cantputfile:+name);/TODOAuto-generatedcatchblocke.printStackTrace();/*上載本地目錄到 FTP 目錄* paramftp* paramserverDir* paramlocalDir* throwsIOException* /privatestaticvoiduploadFiles(FTPClientftp,StringserverDi

10、r,FilelocalDir)tryftp.initiateListParsing();FTPFile 口 remoteFiles=ftp.listFiles();FilelocalFiles=localDir.listFiles();for(Filefile:localFiles)if(file.isFile()Stringname=file.getName();intcount=ftp.list(serverDir);if(count=0)ftp.makeDirectory(serverDir);)OutputStreamos=ftp.storeFileStream(serverDir+n

11、ame);if(os!=null)RandomAccessFileraf=newRandomAccessFile(file,rw);/如果遠程文件存在，并且小于當前文件大小FTPFileremoteFile=existsFile(remoteFiles,file);if(remoteFile!=null&raf.length()=remoteFile.getSize()raf.seek(remoteFile.getSize();)bytebuf=newbyte1024;do/循環(huán)讀取，每次讀取 1kbintnumread=raf.read(buf);if(numread=-1)brea

12、k;)os.write(buf,0,numread);os.flush();while(true);raf.close();os.close();if(pletePendingCommand()System.out.println(done!);elseSystem.out.println(cantputfile:+name);elseSystem.out.println(cantputfile:+name);catch(IOExceptione)/TODOAuto-generatedcatchblocke.printStackTrace();/*下載 FTP 文件到本地文件*paramftp

13、*paramserverDir* paramlocalDir* throwslOException*/publicstaticvoiddownloadFile(FTPClientftp,StringserverFile,FilelocalFile,Handlerhandler,Stringmessage)tryif(!localFile.exists()localFile.createNewFile();elselocalFile.delete();localFile.createNewFile();longpos=localFile.length();RandomAccessFileraf=

14、newRandomAccessFile(localFile,rw);raf.seek(pos);ftp.setRestartOffset(pos);InputStreamis=ftp.retrieveFileStream(serverFile);if(is=null)System.out.println(nosuchfile:);elselongdownLoadFileSize=0;bytebuf=newbyte1024;do/循環(huán)讀取，每次讀取 1kbintnumread=is.read(buf);if(numread=-1)break;raf.write(buf,0,numread);do

15、wnLoadFileSize+=numread;if(message!=null)HandlerUtil.updateTitle(handler,message+(downLoadFileSize/1024)+KB);while(true);is.close();if(pletePendingCommand()System.out.println(done!);elseSystem.out.println(cantgetfile:);raf.close();catch(lOExceptione)e.printStackTrace();/* 判斷 FTP 服務器上是否存在某文件* paramft

16、p* paramserverDir* paramserverFile* return* authorLouison2010-11-27&memoryCatV1.0*/publicstaticbooleancheckFileExist(FTPClientftp,StringserverDir,StringserverFile)FTPFilefiles=null;tryfiles=ftp.listFiles(serverDir);/TODOAuto-generatedcatchblocke.printStackTrace();)if(files!=null&files.length

17、0)for(FTPFile 即 File:files)if(serverFile.equals(ftpFile.getName()returntrue;)returnfalse;)/* 找到 FTP 目錄下某種類型文件* paramftp* paramserverDir* paramfileType* 如：zip 類型* return*authorLouison2010-11-27&memoryCatV1.0*/publicstaticStringfindSDCardFile(FTPClientftp,StringserverDir,finalStringfileType)(FTPFi

18、lefiles=null;try(files=ftp.listFiles(serverDir);catch(IOExceptione)/TODOAuto-generatedcatchblocke.printStackTrace();Listlist=newArrayList();if(files!=null&files.length0)for(FTPFile 即 File:files)if(ftpFile.getName().endsWith(fileType)list.add(ftpFile.getName();Collections.sort(list,newComparator(

19、)Overridepublicintcompare(Stringstr1,Stringstr2)pareTo(str1);)；Stringret=newStringlist.size();returnlist.toArray(ret);/* 創(chuàng)建 FTP 上目錄* paramserverDir* return* authorLouison2010-11-27&memoryCatV1.0*/publicstaticbooleancreateDir(FTPClientftp,StringserverDir)FTPFilefiles=null;tryfiles=ftp.listFiles(s

20、erverDir);if(files=null|files.length=0)ftp.makeDirectory(serverDir);catch(lOExceptione)/TODOAuto-generatedcatchblocke.printStackTrace();returntrue;/* 退出 FTP 服務器* paramftp* authorLouison2010-11-27&memoryCatV1.0*/publicstaticvoidlogout(FTPClientftp)tryif(ftp!=null&ftp.isConnected()ftp.logout();catch(IOExceptione)/TODOAuto-generatedcatchblocke.printStackTrace();/*Function:* paramsystemName* return* authorLouisFeb26,2