public boolean getFile(FileDownloadTools fdt, String[] ids) throws Exception {
   try {
     if (fdt.get(ids)) {
       getServletResponse().setHeader("charset", "ISO8859-1");
       if (this.fileName == null) {
         this.fileName = fdt.getFileName();
       }
       this.fileName = new String(this.fileName.getBytes(), "ISO8859-1");
       //				this.fileName = fdt.getFileName();
       this.contentType = fdt.getContentType();
       return true;
     } else {
       return false;
     }
   } catch (Exception e) {
     throw e;
   }
 }
  public boolean getFile(FileDownloadTools fdt, String file, int width, int height)
      throws Exception {
    try {
      if (fdt.get(file)) {
        // 缩略图文件
        File thumbFile = new File(fdt.getFilePath() + "_" + width + "_" + height + ".jpg");
        try {
          // 如果缩略图不存在则生成
          if (!thumbFile.exists()) {
            // 生成缩略图
            Thumbnails.of(new File(fdt.getFilePath()))
                .size(width, height)
                .outputFormat("jpg")
                .toFile(thumbFile);
          }
        } catch (IOException e) {
          e.printStackTrace();
        }

        fdt.setFilePath(thumbFile.getPath());
        fdt.setFileName(width + "_" + height + "_" + fdt.getFileName());

        getServletResponse().setHeader("charset", "ISO8859-1");
        if (this.fileName == null) {
          this.fileName = fdt.getFileName();
        }
        this.fileName = new String(this.fileName.getBytes(), "ISO8859-1");
        //				this.fileName = fdt.getFileName();
        this.contentType = fdt.getContentType();
        return true;
      } else {
        return false;
      }
    } catch (Exception e) {
      throw e;
    }
  }