html 代碼
<el-input
??????????????v-model="addForm.count"
??????????????type="text"
??????????????@input="changeInput"
????????????/>
js代碼
changeInput(str)?{
??????var?pattern?=?/^[1-9][0-9]*$/?//?正整數的正則表達式
??????//?不符合正整數時
??????if?(!pattern.test(this.addForm.count))?{
????????//?input?框綁定的內容非數字的全部置為空
????????this.addForm[str]?=?this.addForm.count.replace(/[^\d]/g,'')
??????}
????}
