code: public static <T extends Collection<String>> T readLines(InputStream in, String charsetName, T collection) throws IORuntimeException {
  		return readLines(in, CharsetUtil.charset(charsetName), collection);
  	}
docs: 从流中读取内容
  
  @param <T> 集合类型
  @param in 输入流
  @param charsetName 字符集
  @param collection 返回集合
  @return 内容
  @throws IORuntimeException IO异常