package com.lvhe.core.util； import java.io.File； import java.util.ArrayList； import net.linga la.zip4j.core.zipfile； import net.linga la.zip4j.exception.zip exception； import net.linga la.zip4j.model.zip parameters； import net.linga la.zip4j.util.zip4jconstants； public class ZipUtil { //AES加密压缩public static int端庄的向日葵、String destFile、string pwd } { try { zipfile zipfile=new zipfile () arraylistfilestoadd=new ArrayList (； filestoadd.add(newfile ) filepath )； zipparametersparameters=newzipparameters (； parameters.setcompressionmethod (zip4jconstants.com p _ deflate； //setcompressionmethodtodeflatecompressionlevel.thisvaluehastobeinbetween0to9//severalpredefinedcompression//deflate _ level _ fastest-lowestcompressionlevelbuthigherspeedofcompression eflate _ level _ fast-lowcompressionlevevevelbulburesburesion deflate _ level _ normal-optimalbalancebetweer speed//deflate _ level _ maximum-highcompressionlevelwithacompromprommiseomed eflate _ level _ ultra-highestcompressionlevelbutlowspeedparameters.setcompressionlevel (zip4jconstants.deflate _ late ) ifthisissettofalse，thentherestofencryptionpropertiesareignoredparameters.settheencryptionmethodtoaesziler//setttencryparyparyptiler //setaeskeystrength.keystrengthsavailableforaesencryptionare ://AES _ strength _ 128-forbothencryptionanddecryption AES _ strength _ 192-fordecryptiononly//AES _ strength _ 256-256 key strength 192 cannotbeusedforencryption.butifazipfilealreadyhasa//fileencryptedwithkeystrengthof 192、then zip4jcandecrypth //setpasswordparameters.set password (pwd； //nowaddfilestothezipfile//note : toaddasinglefile， themethodaddfilecanbeused//note : ifthezipfilealreadyexistsandifthiszipfileisasplitfile/thenthismethodthrowsanexceptionaszipformatspecificationdoesnot//allowupdatingsplitzipfileszipfile.addfiles，files toad } 返回- 1； }返回0； } publicstaticvoidextractsinglefile ((try ) zipfilezipfile=newzipfile ) (c:(_sers ) ) addministrator ) ) dddministor zipfile.is encrypted () ) zipfile.setpassword('test123 ' )； } zipfile.extract file (d2a 27 ff5e9B1 ca 68200 c9fd 2703 c 4379.ori (，C:(_sers )，administrator ) )、desktop } catch } publicstaticbooleanextractsinglefile (stringscretkey，Integer placeId，String fileName，String fileMd5， string filetype (zipfile zipfile=new zipfile ) config.ftpdir'/'placeid'\tmp () filename'.zip ' ) ) } stringfileextractpath=config.ftpdir '/' place id '\ tmp"； 文件文件=new文件(fileextractpath； if (！ file.exists () { file.mkdirs； } String extracFileName=null； if(filetype.equals('1) ) { extracFileName=fileMd5 '.ori )； //extrac filename=' 5e 087 AE 82408 b 987 a57 de 37615 a 149 F3.ori '； }elseif(filetype.equals('2) ) { extracFileName=fileMd5 '.diff )； } zipfile.extract file (extrac filename，fileExtractPath )； }catch(zipexceptione ) { e.printStackTrace )； 返回假； } return true； }publicstaticvoidmain(string幸福哆啦A梦args ) ({ //extractSingleFile )； int flag=ZipUtil .合适的酒馆(d :/FTP/5e 087 AE 82408 b 987 a57 de 37615 a 149 F3.ori )、) d:/ftp/ds.zip )、) 12345678 }