图片效果
2.html部分
<input placeholder="0.00" value="{{docMoney}}" type="digit" bindinput="priceEvent" />
3.js部分
// 价格限制小数点后两位priceEvent(e) {console.log(e)var money;if (/^(\d?)+(\.\d{0,2})?$/.test(e.detail.value)) { //正则验证,提现金额小数点后不能大于两位数字money = e.detail.value;} else {money = e.detail.value.substring(0, e.detail.value.length - 1);}this.setData({docMoney: money,})},