u-input 输入框失去焦点时 只保留2位小数

 <u-input
   placeholder="请输入金额（必填）"
    border="none"
		inputAlign='right'
		v-model="money"
		type='digit'
		@blur='onBlur'
  >
		<template slot="suffix">
			<view>元</view>
		</template>
</u-input>

// 输入框失去焦点时触发 互助费只能保留2位小数
onBlur(){
	this.money=this.money.replace(/^\D*(\d*(?:\.\d{0,2})?).*$/g, '$1');
	if (this.money!= ''){
		 this.money= parseFloat(this.money).toFixed(2);
	}else {
		 this.money= parseFloat(0).toFixed(2);
	}
},