1. 只允许输入数字，并保留两位小数
<el-input
class="config-input"
type="number"
v-model="v.minHeight"
placeholder=""
:min="0"
@input="v.minHeight = Number(Number(v.minHeight).toFixed(2))"
/
2. 只允许输入数字，不可以有小数
<el-input
class="self-area-input"
type="number"
v-model="selfMixtureArea.self1Times"
placeholder=""
:min="0"
@input="selfMixtureArea.self1Times = Number(selfMixtureArea.self1Times.toString().replace(/[^\d]/g, ''))"
/>
标签：el,格式化,数字,input,输入,小数 From： https://www.cnblogs.com/cai-hua/p/17859258.html