<Input ?type="tel" ?v-model="user.limitPricezk" style="width: 300px" ?placeholder="最低修改商品價格折扣"?maxlength='4' @on-keyup="restrictInp"></Input>

restrictInp(e){
?? ??? ??? ??? ? var reg = /^(0.\d+|0|1)$/;
?? ??? ??? ??? ? ? ?if (reg.test(e.target.value)) {
?? ??? ??? ??? ? ? ? ? ?this.user.limitPricezk = e.target.value;
?? ??? ??? ??? ? ? ?} else {
?? ??? ??? ??? ? ? ? ? ?if (e.target.value != "0.")
?? ??? ??? ??? ? ? ? ? ?this.user.limitPricezk = "";
?? ??? ??? ??? ? ? ?}
?? ??? ??? ?},

注意一個問題 設置input屬性為number時maxlength不生效，將屬性設置為tel