this.$('.calssName') 拼接获取元素 let jointClass =".ivu-table-tbody tr:nth-child("+index+") td input" this.$(jointClass).addClass('addBorder') 相关文章: 2022-12-23 2021-09-07 2021-11-29 2021-12-22 2021-12-02 2021-05-29 2021-11-19