css代码tr:nth-child(even){background:gray} 选择偶数行 tr:nth-child(even){background:gray} 选择奇数行 相关文章： 2021-07-03 2022-12-23 2022-12-23 2022-02-27 2021-11-08 2021-07-09 2022-12-23 2022-12-23