java生成压缩软件代码.doc

40.ZIP压缩文件/*import java.io.*;import java.util.zip.*;*/创建文件输入流对象FileInputStream fis=new FileInputStream(%1);/创建文件输出流对象FileOutputStream fos=new FileOutputStream(%2);/创建ZIP数据输出流对象ZipOutputStream zipOut=new ZipOutputStream(fos);/创建指向压缩原始文件的入口ZipEntry entry=new ZipEntry(args0);zipOut.putNextEntry(entry);/向压缩文件中输出数据int nNumber;byte buffer=new byte1024;while(nNumber=fis.read(buffer)!=-1)zipOut.write(buffer,0,nNumber);/关闭创建的流对象zipOut.close();fos.close();fis.close();catch(IOException e) System.out.println(e); 41.获得应用程序完整路径String %1=System.getProperty(user.dir);42.ZIP解压缩/*import java.io.*;import java.util.zip.*;*/try/创建文件输入流对象实例FileInputStream fis=new FileInputStream(%1);/创建ZIP压缩格式输入流对象实例ZipInputStream zipin=new ZipInputStream(fis);/创建文件输出流对象实例FileOutputStream fos=new FileOutputStream(%2);/获取Entry对象实例ZipEntry entry=zipin.getNextEntry();byte buffer=new byte1024;int nNumber;while(nNumber=zipin.read(buffer,0,buffer.length)!=-1)fos.write(buffer,0,nNumber);/关闭文件流对象zipin.close();fos.close();fis.close();catch(IOException e) System.out.println(e); 43.递归删除目录中的文件/*import java.io.*;import java.util.*;*/ArrayList folderList = new ArrayList();folderList.add(%1);for (int j = 0; j folderList.size(); j+) File file = new File(folderList.get(j);File files = file.listFiles();ArrayList fileList = new ArrayList();for (int i = 0; i files.length; i+) if (filesi.isDirectory() folderList.add(filesi.getPath(); else fileList.add(filesi);for (File f : fileList) f.delete(); 43.ZIP压缩文件夹/*/index.jspimport java.io.*;import org.apache.tools.zip.ZipOutputStream; /这个包在ant.jar里，要到官方网下载/java.util.zip.ZipOutputStreamimport java.util.zip.*;*/try String zipFileName = %2; /打包后文件名字File f=new File(%1);ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFileName);String base= ;if (f.isDirectory() File fl = f.listFiles(); out.putNextEntry(new org.apache.tools.zip.ZipEntry(base + /); base = base.length() = 0 ? : base + /; for (int i = 0; i 0) os.write(buf, 0, len); os.close(); in.closeEntry(); catch (IOException e) System.out.println(解压文件成功); 压缩的(参数最少传两个，第一个是你压缩之后的文件存放的位置以及名字，第二个是你要压缩的文件或者文件夹所在位置，也可以传多个文件或文件夹)import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.util.ArrayList;import java.util.Calendar;import java.util.List;import java.util.zip.ZipEntry;import java.util.zip.ZipOutputStream;public class ZipFileOther public static String zipFileProcess(ArrayList outputZipFileNameList, String outputZipNameAndPath) ArrayList fileNames = new ArrayList(); ArrayList files = new ArrayList(); FileOutputStream fileOut = null; ZipOutputStream outputStream = null; FileInputStream fileIn = null; StringBuffer sb = new StringBuffer(outputZipNameAndPath); / FileInputStream fileIn =null; try if (outputZipNameAndPath.indexOf(.zip) != -1) outputZipNameAndPath = outputZipNameAndPath; else sb.append(.zip); outputZipNameAndPath = sb.toString(); fileOut = new FileOutputStream(outputZipNameAndPath); outputStream = new ZipOutputStream(fileOut); int outputZipFileNameListSize = 0; if (outputZipFileNameList != null) outputZipFileNameListSize = outputZipFileNameList.size(); for (int i = 0; i outputZipFileNameListSize; i+) File rootFile = new File(outputZipFileNameList.get(i).toString(); listFile(rootFile, fileNames, files, ); for (int loop = 0; loop 1) if(args0!=null) savePath = args0; for(int i=1;iargSize;i+) if(argsi!=null) outputZipFileName.add(argsi); ZipFileOther instance=new ZipFileOther(); instance.zipFileProcess(outputZipFileName,savePath); else private static void listFile(File parentFile, List nameList, List fileList, String directoryName) if (parentFile.isDirectory() File files = parentFile.listFiles(); for (int loop =