微信小程序wxml页面toFixed保留两位小数，wxs脚本语言

<wxs module="m1">
  var numberToFix= function (value) {
    return value.toFixed(2)
  }
 module.exports.numberToFix=numberToFix;
</wxs>
<view>toFixed:{
           
    {m1.numberToFix(value*3)}}</view>

var numberToFix= function (value) { return value.toFixed(2) } module.exports.numberToFix=numberToFix; toFixed:{ {m1.numberToFix(value*3)}}

data: {
    value:1.567
 },

data: { value:1.567 },

var numberToFix= function (value) { return value.toFixed(2) } module.exports.numberToFix=numberToFix; toFixed:{ {m1.numberToFix(value*3)}} data: { value:1.567 },