docs: public static void readLines(Reader reader, LineHandler lineHandler) throws IORuntimeException {
  		Assert.notNull(reader);
  		Assert.notNull(lineHandler);
  
  		// 从返回的内容中读取所需内容
  		final BufferedReader bReader = getReader(reader);
  		String line = null;
  		try {
  			while ((line = bReader.readLine()) != null) {
  				lineHandler.handle(line);
  			}
  		} catch (IOException e) {
  			throw new IORuntimeException(e);
  		}
  	}