code: public static Set<String> getClassPaths(String packageName, boolean isDecode) {
  		String packagePath = packageName.replace(StrUtil.DOT, StrUtil.SLASH);
  		Enumeration<URL> resources;
  		try {
  			resources = getClassLoader().getResources(packagePath);
  		} catch (IOException e) {
  			throw new UtilException(e, "Loading classPath [{}] error!", packagePath);
  		}
  		final Set<String> paths = new HashSet<String>();
  		String path;
  		while (resources.hasMoreElements()) {
  			path = resources.nextElement().getPath();
  			paths.add(isDecode ? URLUtil.decode(path, CharsetUtil.systemCharsetName()) : path);
  		}
  		return paths;
  	}
docs: 获得ClassPath
  
  @param packageName 包名称
  @param isDecode 是否解码路径中的特殊字符（例如空格和中文）
  @return ClassPath路径字符串集合
  @since 4.0.11