package tmp.MavenTest;
 
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.List;
import java.util.logging.Logger;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
 
//定时将指定文件夹下的所有文件压缩
public class ZipFilesUtil {
    
    public static void compress(File f, String baseDir, ZipOutputStream zos){
        if(!f.exists()){
            System.out.println("待压缩的文件目录或文件"+f.getName()+"不存在");
            return;
        }
        
 
        File[] fs = f.listFiles();
        BufferedInputStream bis = null;  
        //ZipOutputStream zos = null; 
        byte[] bufs = new byte[1024*10];
        FileInputStream fis = null;
        
        
        try{
            //zos = new ZipOutputStream(new FileOutputStream(zipFile));
            for(int i=0; i<fs.length; i++){
                String fName =  fs[i].getName();
                System.out.println("压缩:" + baseDir+fName);     
                if(fs[i].isFile()){
                    ZipEntry zipEntry = new ZipEntry(baseDir+fName);//
                    zos.putNextEntry(zipEntry);    
                    //读取待压缩的文件并写进压缩包里
                    fis = new FileInputStream(fs[i]);
                    bis = new BufferedInputStream(fis, 1024*10);
                    int read = 0;
                    while((read=bis.read(bufs, 0, 1024*10))!=-1){
                        zos.write(bufs, 0, read);
                    }
                    //如果需要删除源文件,则需要执行下面2句
                    //fis.close();
                    //fs[i].delete();
                }
                else if(fs[i].isDirectory()){
                    compress(fs[i], baseDir+fName+"/", zos);
                }
            }//end for
        }catch  (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } finally{
            //关闭流
            try {
                if(null!=bis)
                    bis.close();
                //if(null!=zos)
                    //zos.close();
                if(null!=fis)
                    fis.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }    
        }
        
    }
 
    public static void main( String[] args ) throws ParseException
    {
 
        String sourceFilePath = "D:\\Eclipse_XJ\\work_space\\WebProbe\\downloadfiles";
        
        File sourceDir = new File(sourceFilePath);
        File zipFile = new File(sourceFilePath+".zip");
        ZipOutputStream zos = null;
        try {
             zos = new ZipOutputStream(new FileOutputStream(zipFile));
             String baseDir = "downloadfiles/";
             compress(sourceDir, baseDir, zos);
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } finally{
            if(zos!=null)
                try {
                    zos.close();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
        }
    }
    
}

转载:https://blog.csdn.net/u010366748/article/details/78615004

 

posted on 2019-04-23 10:05  王者归来GO  阅读(2932)  评论(0编辑  收藏  举报