<input > max:为最大值 min:最小值 $(document).ready(function() { $('#goOrBack').val(1500);//设定默认值 }) 相关文章: 2022-12-23 2021-08-30 2021-05-27 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2022-12-23