<el-input type="number" placeholder="请输入最小单位数量" v-model="COUNT" @input="handleChangePackCount"></el-input>
//不通输入小数点
const handleChangePackCount = (e) => { e = e.replace(/[^0-9]/g, '') console.log(e) COUNT.value = e }
//只能输入2位小数
const handleChangePackCount = (e) => {
e = .match(/^\d*(\.?\d{0,2})/g)[0] || ''
console.log(e)
COUNT.value = e
}