文件名称：java压缩文件源码--ZipUtils
文件大小：2KB
文件格式：RAR
更新时间：2013-02-03 12:31:30
java,file,zip,util,java压缩文件 package com.hexiang.utils; import java.io.*; import java.util.*; import java.util.zip.Adler32; import java.util.zip.CheckedInputStream; import java.util.zip.ZipEntry; import java.util.zip.ZipInputStream; import java.util.zip.ZipOutputStream; public class ZipUtils { private static final int BUFFER = 8192; private static void log(String msg){ System.out.println (msg); } private static String getFileName(String filePath){ int index = filePath.indexOf("."); return filePath.substring(0, index); } @SuppressWarnings("unused") private static String getRootPath(String filePath){ int index = filePath.indexOf("."); return filePath.substring(0, index); } public static void zip(String sourceFilePath){ File fileDir = new File(sourceFilePath); if(fileDir.exists()){ log(fileDir.getPath()+" Starting Zip ..."); long startTime = System.currentTimeMillis(); doZip(fileDir); long endTime = System.currentTimeMillis(); long costTime = endTime - startTime; log("Zip Success!"); log("use time -- "+costTime+" millsec!"); }else{ log("can't find the File!"); } } public static void unZip(String zipFilePath){ File fileDir = new File(zipFilePath); if(fileDir.exists()){ log(fileDir.getPath()+" Starting UnZip ..."); long startTime = System.currentTimeMillis(); doUnZip(fileDir); long endTime = System.currentTimeMillis(); long costTime = endTime - startTime; log("UnZip Success!"); log("use time -- "+costTime+" millsec!"); }else{ log("can't find the File!"); } } public static void doZip(File file){ List