code: protected List<File> findJarFile(String scriptLibDir) {
  		List<File> files = new ArrayList<File>();
  		try {
  			File file = new File(scriptLibDir);
  			if (file.isDirectory()) {
  				for (File f : file.listFiles()) {
  					if (f.isFile() && f.getName().endsWith(".jar")) {
  						files.add(f);
  					}
  				}
  			}
  		} catch (Exception e) {
  			_log.error(e.getMessage(), e);
  		}
  		return files;
  	}
docs: 寻找目录下的jar文件
  @param scriptLibDir
  @return