java打包文件

package com.pbids.sanqin.util;

import org.junit.Test;

import java.io.*;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

/**
 * Created by ${sunkai} on ${Date}.
 *  文件夹压缩工具类
 * @param
 * @return
 */
public class FileToZip {
    private FileToZip(){}

    /**
     * 将存放在sourceFilePath目录下的源文件，打包成fileName名称的zip文件，并存放到zipFilePath路径下
     * @param sourceFilePath :待压缩的文件路径
     * @param zipFilePath :压缩后存放路径
     * @param fileName :压缩后文件的名称
     * @return
     */
    public static boolean fileToZip(String sourceFilePath,String zipFilePath,String fileName){
        boolean flag = false;
        File sourceFile = new File(sourceFilePath);
        FileInputStream fis = null;
        BufferedInputStream bis = null;
        FileOutputStream fos = null;
        ZipOutputStream zos = null;

        if(sourceFile.exists() == false){
            System.out.println("待压缩的文件目录："+sourceFilePath+"不存在.");
            sourceFile.mkdir(); // 新建目录
        }
        try {
            File zipFile = new File(zipFilePath + "/" + fileName +".zip");
            if(zipFile.exists()){
                System.out.println(zipFilePath + "目录下存在名字为:" + fileName +".zip" +"打包文件.");
            }else{
                File[] sourceFiles = sourceFile.listFiles();
                if(null == sourceFiles || sourceFiles.length<1){
                    System.out.println("待压缩的文件目录：" + sourceFilePath + "里面不存在文件，无需压缩.");
                }else{
                    fos = new FileOutputStream(zipFile);
                    zos = new ZipOutputStream(new BufferedOutputStream(fos));
                    byte[] bufs = new byte[1024*10];
                    for(int i=0;i<sourceFiles.length;i++){
                        //创建ZIP实体，并添加进压缩包
                        ZipEntry zipEntry = new ZipEntry(sourceFiles[i].getName());
                        zos.putNextEntry(zipEntry);
                        //读取待压缩的文件并写进压缩包里
                        fis = new FileInputStream(sourceFiles[i]);
                        bis = new BufferedInputStream(fis, 1024*10);
                        int read = 0;
                        while((read=bis.read(bufs, 0, 1024*10)) != -1){
                            zos.write(bufs,0,read);
                        }
                    }
                    flag = true;
                }
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
            throw new RuntimeException(e);
        } catch (IOException e) {
            e.printStackTrace();
            throw new RuntimeException(e);
        } finally{
            //关闭流
            try {
                if(null != bis) bis.close();
                if(null != zos) zos.close();
            } catch (IOException e) {
                e.printStackTrace();
                throw new RuntimeException(e);
            }
        }
        return flag;
    }
    @Test
    public void tests (){
        String file = "D:\\zz";
        String zipPath = "D:";
        String fileName = "yaSuo.zip";
        FileToZip.fileToZip(file,zipPath,fileName);
    }
}
下面这个是我测试的一个小案列，可以直接跑的代码。