java 将指定文件夹递归的进行打包压缩为 zip

墨蓝 2023-10-18 09:47 46阅读 0赞

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();
                                }
                }
    }