import java.io.*;import java.util.*;import java.util.zip.ZipOutputStream;import java.util.zip.ZipEntry;import java.util.zip.ZipFile;public class FileMgr {  public FileMgr() {  }  /**   * 压缩文件   * @param srcfile File[]  需要压缩的文件列表   * @param zipfile File    压缩后的文件   */  public static void ZipFiles(java.io.File[] srcfile, java.io.File zipfile) {    byte[] buf = new byte[1024];    try {      // Create the ZIP file      ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipfile));      // Compress the files      for (int i = 0; i < srcfile.length; i++) {        FileInputStream in = new FileInputStream(srcfile[i]);        // Add ZIP entry to output stream.        out.putNextEntry(new ZipEntry(srcfile[i].getName()));        // Transfer bytes from the file to the ZIP file        int len;        while ( (len = in.read(buf)) > 0) {          out.write(buf, 0, len);        }        // Complete the entry        out.closeEntry();        in.close();      }      // Complete the ZIP file      out.close();      System.out.println("压缩完成.");    }    catch (IOException e) {      e.printStackTrace();    }  }  /**   * 解压缩   * @param zipfile File 需要解压缩的文件   * @param descDir String  解压后的目标目录   */  public static void UnZipFiles(java.io.File zipfile, String descDir) {    try {      // Open the ZIP file      ZipFile zf = new ZipFile(zipfile);      for (Enumeration entries = zf.entries(); entries.hasMoreElements(); ) {        // Get the entry name        ZipEntry entry = ( (ZipEntry) entries.nextElement());        String zipEntryName = entry.getName();        InputStream in = zf.getInputStream(entry);        // System.out.println(zipEntryName);        OutputStream out = new FileOutputStream(descDir + zipEntryName);        byte[] buf1 = new byte[1024];        int len;        while ( (len = in.read(buf1)) > 0) {          out.write(buf1, 0, len);        }        // Close the file and stream        in.close();        out.close();        System.out.println("解压缩完成.");      }    }    catch (IOException e) {      e.printStackTrace();    }  }}