ZIP文件解壓

package simple.base.utils;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

/**
 * Zip文件類公共方法
 * @author 周超 2014-6-20
 */
public class ZipFileSimple {
    /**
     * 解壓到指定目錄
     * @param zipPath
     * @param descDir
     * @author 周超
     */
    public static void unZipFiles(String zipPath,String descDir)throws IOException{
        unZipFiles(new File(zipPath), descDir);
    }
    
    /**
     * 解壓文件到指定目錄
     * @param zipFile
     * @param descDir
     * @author isea533
     */
    @SuppressWarnings("rawtypes")
    public static void unZipFiles(File zipFile,String descDir)throws IOException{
        File pathFile = new File(descDir);
        if(!pathFile.exists()){
            pathFile.mkdirs();
        }
        ZipFile zip = new ZipFile(zipFile);
        for(Enumeration entries = zip.entries();entries.hasMoreElements();){
            ZipEntry entry = (ZipEntry)entries.nextElement();
            String zipEntryName = entry.getName();
            InputStream in = zip.getInputStream(entry);
            String outPath = (descDir+zipEntryName).replaceAll("\\*", "/");;
            //判斷路徑是否存在,不存在則建立文件路徑
            File file = new File(outPath.substring(0, outPath.lastIndexOf('/')));
            if(!file.exists()){
                file.mkdirs();
            }
            //判斷文件全路徑是否爲文件夾,若是是上面已經上傳,不須要解壓
            if(new File(outPath).isDirectory()){
                continue;
            }
            //輸出文件路徑信息
            System.out.println(outPath);
            
            OutputStream out = new FileOutputStream(outPath);
            byte[] buf1 = new byte[1024];
            int len;
            while((len=in.read(buf1))>0){
                out.write(buf1,0,len);
            }
            in.close();
            out.close();
            }
        System.out.println("******************解壓完畢********************");
    }
    
    public static void main(String[] args) {
        /** 
         * 解壓文件 
         */  
        File zipFile = new File("d:/jeasyui1.3.6.zip");  
        String path = "d:/0801111111/";  
        try {
            unZipFiles(zipFile, path);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}