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ID:51260823
大小:75.00 KB
页数:7页
时间:2020-03-10
《南京java培训机构 java 实现解压缩文件.doc》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、南京Java培训机构Java实现解压缩文件Inthisarticleyouwilllearnhowtounzipfile.1.ReadZIPfilewith“ZipInputStream”2.Getthefilesto"ZipEntry”andoutputittouFileOutputStreamvDecompressZIPfileexampleInthisexample,itwillreadaZIPfilefromzipFile,anddecompressallzippedfilestoOUTPUT_FOLDERfolder.publicvoidunZjpIt(StringzipFi
2、le,StringoutputFolder){byte[]buffer=newbyte[1024];try{//createoutputdirectoryisnotexistsFilefolder=newFile(OUTPUT_FOLDER);if(!folder.exists()){folder.mkdir();}//getthezipfilecontentZipInputStreamzis=newZipInputStream(newFilelnputStream(zipFile));//getthezippedfilelistentryZipEntryze=zis.getNextE
3、ntry();while(ze!=null){StringfileName=ze.getName();FilenewFile=newFile(outputFolder+File.separator+fileName);System.out.println("fileunzip:”+newFile.getAbsoluteFile());//createallnonexistsfolders//elseyouwillhitFileNotFoundExceptionforcompressedfoldernewFile(newFile.getParent())。mkdirs();FileOut
4、putStreamfos=newFileOutputStream(newFile);intlen;while((len=zis.read(buffer))>0){fos.write(buffer,OJen);}fos.close();ze=zis.getNextEntry();}zis.closeEntry();zis.close();System.out.println(“Extractcompleted.");Jcatch(lOExceptione){e.printStackTrace();}}压缩解压完整实例:packageorg.hello.zip;importjava.io.
5、File;importjava.io.FilelnputStream;importjava.io.FileOutputStream;importjava.io」OException;importjava.util.ArrayList;importjava.util.List;importjava.util.zip.ZipEntry;importjava.util.zip.ZiplnputStream;importjava.util.zip.ZipOutputStream;publicclassAppZip{ListfileList;privatestaticfinalS
6、tringOUTPUT_ZIP_FILE=“C:\Logs.zip”;privatestaticfinalStringSOURCE_FOLDER=''C:\Logs‘‘;privatestaticfinalStringINPUT_ZIP_FILE=“C:\Logs.zip”;privatestaticfinalStringOUTPUT_FOLDER=“C:\outputzip”;AppZip(){fileList二newArrayList();}publicstaticvoidmain(String[]args){AppZipappzip=newAppZip()
7、;appzip.generateFileList(newFile(SOURCE_FOLDER));appzip.ziplt(OUTPUT_ZIP_FILE);appzip.unZipIt(INPUT_ZIP_FILEzOUTPUT_FOLDER);publicvoidunZipIt(StringzipFile,StringoutputFolder){byte[]buffer=newbyte[1024];try{//createoutputdir
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