<li><i>请输入</i><input type="number" @input="inputCheck()" v-model="second_rate" placeholder="请输入">%</li>
inputCheck() {
if (event.target.value.length > 4) {
this.rate = event.target.value.slice(0,4)
}
},
<li><i>请输入</i><input type="number" @input="inputCheck()" v-model="second_rate" placeholder="请输入">%</li>
inputCheck() {
if (event.target.value.length > 4) {
this.rate = event.target.value.slice(0,4)
}
},
本文标题:input type=number 限制输入长度
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