java 把文件压缩成 zip

package org.fh.util;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
/**
 * 说明：java压缩成zip
 * 作者：FH Admin
 * from：fhadmin.cn
 */
public class FileZip {
  /**
   * @param inputFileName 你要压缩的文件夹(整个完整路径)
   * @param zipFileName 压缩后的文件(整个完整路径)
   * @throws Exception
   */
  public static Boolean zip(String inputFileName, String zipFileName) throws Exception {
    zip(zipFileName, new File(inputFileName));
    return true;
  }
  private static void zip(String zipFileName, File inputFile) throws Exception {
    ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFileName));
    zip(out, inputFile, "");
    out.flush();
    out.close();
  }
  private static void zip(ZipOutputStream out, File f, String base) throws Exception {
    if (f.isDirectory()) {
      File[] fl = f.listFiles();
      out.putNextEntry(new ZipEntry(base + "/"));
      base = base.length() == 0 ? "" : base + "/";
      for (int i = 0; i < fl.length; i++) {
        zip(out, fl[i], base + fl[i].getName());
      }
    } else {
      out.putNextEntry(new ZipEntry(base));
      FileInputStream in = new FileInputStream(f);
      int b;
      while ((b = in.read()) != -1) {
        out.write(b);
      }
      in.close();
    }
  }
   public static void main(String [] temp){       
     try {           
       zip("E:\\ftl","E:\\test.zip");//你要压缩的文件夹      和  压缩后的文件 
       }catch (Exception ex) {       
         ex.printStackTrace();    
       }   
    }
}