FileZipUtil 压缩工具

/**
  * @author bianlei
  */
 public class FileZipUtil {
     /**
      * 文件打压缩包
      * @param files
      * @param Name
      * @return
      * @throws Exception
      */
     public static File zipFile(List<File> files, String Name)
             throws Exception {
         ZipOutputStream zipOut=null;
         FileOutputStream fous=null;
         Date date = DateUtil.date();
         String zipName = Name + DateUtil.format(date, "yyyyMMddHHmmss");
         File tempFile = File.createTempFile("temp","");
         File zipFile = new File(tempFile.getParent(),zipName+".zip");
         try {
             //创建文件输出流
             fous = new FileOutputStream(zipFile);
             zipOut = new ZipOutputStream(fous);
             //压缩打包
             zipFileToOutputStream(files, zipOut);
             return zipFile;
         }catch (Exception e) {
             e.printStackTrace();
         }finally{
             if(zipOut!=null){
                 zipOut.close();
             }
             if(fous !=null){
                 fous.close();
             }
         }
         return null;
     }
    /**
      * 把接受的全部文件打成压缩包
      * @param files<File>;
      * @param outputStream
      */
     public static void zipFileToOutputStream(List<File> files, ZipOutputStream outputStream) {
         int size = files.size();
         for(int i = 0; i < size; i++) {
             File file = files.get(i);
             inputFile(file, outputStream);
         }
     }

     /**
      * 根据输入的文件与输出流对文件进行打包
      * @param inputFile
      * @param ouputStream
      */
     public static void inputFile(File inputFile,ZipOutputStream ouputStream) {
        if(inputFile.exists() && inputFile.isFile()) {
             FileInputStream IN = null;
             BufferedInputStream bins = null;
             try {
                 IN = new FileInputStream(inputFile);
                 bins = new BufferedInputStream(IN, 512);
                 ZipEntry entry = new ZipEntry(inputFile.getName());
                 ouputStream.putNextEntry(entry);
                 // 向压缩文件中输出数据
                 int nNumber;
                 byte[] buffer = new byte[512];
                 while ((nNumber = bins.read(buffer)) != -1) {
                     ouputStream.write(buffer, 0, nNumber);
                 }
                 // 关闭创建的流对象
                 bins.close();
                 IN.close();
             } catch (Exception e) {
                 e.printStackTrace();
             }finally {
                 try {
                     if (bins != null){
                         bins.close();
                     }
                     if (IN != null){
                             IN.close();
                     }
                 } catch (IOException e) {
                     e.printStackTrace();
                 }
             }
         }
     }
 }