基于element-ui封装表单金额输入框的方法示例

  },
  rules: {
   type: Object,
   default: () => { },
  },
 },
 data () {
  return {
   showFormatPrice: false, // 是否显示遮罩
  }
 },
 computed: {
  formaterPrice () {
   if (
    this.form.deceivedAmount !== '' &&
    this.form.deceivedAmount !== null
   ) {
    // 去掉前面的0
    const integer = this.form.deceivedAmount.split('.')[0]
    const decimal = this.form.deceivedAmount.split('.')[1]
     "less" scoped>
.price-mask {
 position: absolute;
 z-index: 2;
 top: 1px;
 left: 125px;
 background: white;
 width: 110px;
 overflow: auto;
 font-size: 13px;
}
</style>

// 使用方法：
<template lang="pug">
el-form(:model="form" ref="form" label="180px" :label-suffix="'：'" :rules="rules")
  priceInput(:form.sync = "form" :width = "150" label = "金额" prop = "deceivedAmount" :rules = "rules")
</template>

<script>
import priceInput from '@self/components/priceInput'
data() {
 return {
  form: {
   deceivedAmount: null,
  },
  rules: {
   deceivedAmount: [
    {
     pattern: /^1000000000$|^1000000000.0$|^1000000000.00$|^[+]{0,1}(\d{0,9})$|^[+]{0,1}(\d{0,9}\.\d{1,2})$/,
     message: ' 请输入 0-10亿 的正数，可保留两位小数',
     trigger: 'blur',
    },
   ],
  },
 }
}
components: {
 priceInput,
}
</script>