code: public static <T extends Collection<String>> T readLines(URL url, Charset charset, T collection) throws IORuntimeException {
  		InputStream in = null;
  		try {
  			in = url.openStream();
  			return IoUtil.readLines(in, charset, collection);
  		} catch (IOException e) {
  			throw new IORuntimeException(e);
  		} finally {
  			IoUtil.close(in);
  		}
  	}
docs: 从文件中读取每一行数据
  
  @param <T> 集合类型
  @param url 文件的URL
  @param charset 字符集
  @param collection 集合
  @return 文件中的每行内容的集合
  @throws IORuntimeException IO异常
  @since 3.1.1