<FormItem prop="free" label="包期费用(元)：">
<Input-number
:min="0"
style="width: 100%"
v-model="formValidate.free"
placeholder="请输入单价(元)"
:formatter="value => `${parseFloat(Math.floor(value*100)/100)}`"
/>
</FormItem>
标签：两位,InputNumber,保留,iview2.0,100,小数 From： https://www.cnblogs.com/Byme/p/17774740.html