对文件目录进行压缩为zip包

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipOutputStream;

/**
* 实现对文件目录进行压缩为zip包
* Created by zyb on 7月31日.
*/
public class Compressor {

    /**
     * @param inputFileName 输入一个文件夹  //"c:\\15统计报表"
     * @param zipFileName   输出一个压缩文件夹，打包后文件名字  //"D:\\Program Files\\/21bstzxReport.zip";  //压缩后的zip文件
     * @throws Exception
     */
    public void zip(String inputFileName, String zipFileName) throws Exception {
        // System.out.println(zipFileName);
        zip(zipFileName, new File(inputFileName));
    }

    private void zip(String zipFileName, File inputFile) throws Exception {
        ZipOutputStream out = new ZipOutputStream(new FileOutputStream(
                zipFileName));
        zip(out, inputFile, "");
        out.closeEntry();
        out.close();
    }

    private void zip(ZipOutputStream out, File f, String base) throws Exception {
        if (f.isDirectory()) {  //判断是否为目录
            File[] fl = f.listFiles();
            out.putNextEntry(new org.apache.tools.zip.ZipEntry(base + "/"));
            base = base.length() == 0 ? "" : base + "/";
            for (int i = 0; i < fl.length; i++) {
                zip(out, fl[i], base + fl[i].getName());
            }
        } else {                //压缩目录中的所有文件
            out.putNextEntry(new org.apache.tools.zip.ZipEntry(base));
            FileInputStream in = new FileInputStream(f);
            int b;
            //  System.out.println(base);
            while ((b = in.read()) != -1) {
                out.write(b);
            }
            in.close();
        }
    }
}