element-ui的rules全局验证

rules.js

var QQV = (rule, value, callback) => {
  debugger
  if (value === '') {
    callback(new Error('输入QQ号'))
  } else if (/^[1-9][0-9]{4,10}$/.test(value)) {
    callback()
  } else {
    callback(new Error('输入正确的QQ号'))
  }
}

// 类似金钱,首位不为0,最多2位小数
export function checkNumPot2(rule, value, callback) {
  const reg = /(^[1-9]([0-9]+)?(\.[0-9]{1,2})?$)|(^(0){1}$)|(^[0-9]\.[0-9]([0-9])?$)/
  if (!value) {
    return callback(new Error('请填写数字'))
  } else if (!reg.test(value)) {
    return callback(new Error('请填写数字,最多2位小数'))
  } else {
    callback()
  }
}

// 身份证
export function checkIdNum(rule, value, callback) {
  const reg = /(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/
  if (!value) {
    return callback(new Error('证件号码不能为空'))
  } else if (!reg.test(value)) {
    return callback(new Error('证件号码不正确'))
  } else {
    callback()
  }
}

// 整数
export function checkInterNum(rule, value, callback) {
  const reg = /^[0-9]*[1-9][0-9]*$/
  if (!value) {
    return callback(new Error('请填写整数'))
  } else if (!reg.test(value)) {
    return callback(new Error('请输入整数'))
  } else {
    callback()
  }
}

export default {
  QQ: [{ required: true, validator: QQV, trigger: 'blur' }],
  phone: [{ required: true, pattern: /^1[34578]\d{9}$/, message: '目前只支持中国大陆的手机号码', trigger: 'blur' }],
  numPot2: [{ required: true, validator: checkNumPot2, trigger: 'blur' }],
  InterNum: [{ required: true, validator: checkInterNum, trigger: 'blur' }]
}

rule.vue

<template>
  <el-form :model="query" ref="form" label-position="right" v-loading="loading">
      <el-form-item prop="rate" :rules="rules.numPot2" >
         <el-input-number v-model="query.rate" size="medium"></el-input-number>
      </el-form-item>
  </el-form>
</template>
import rules from '@/utils/rules'
data() {
      rules
    }
  },