微信小程序input type=“number/digit“不能输入小数

balanceInput(e) {// 获取用户输入的提现金额// let amount = parseInt(e.detail.value);let amount = e.detail.value.replace(/^(\-)*(\d+)\.(\d\d).*$/,'$1$2.$3');// 获取可提现的金额let balance = this.data.balance;const that =

HerayChen

3918人浏览 · 2020-08-12 17:49:31

HerayChen · 2020-08-12 17:49:31 发布

在这里插入图片描述

  balanceInput(e) {
    // 获取用户输入的提现金额
    // let amount = parseInt(e.detail.value);
    let amount = e.detail.value.replace(/^(\-)*(\d+)\.(\d\d).*$/,'$1$2.$3');
    // 获取可提现的金额
    let balance = this.data.balance;
    const that = this;
    let transfinite = '';
    if (amount > balance) {
      transfinite = '提现金额超限';
      amount = balance;
    } else if (amount < 10) {
      transfinite = '提现金额不少于10元';
    }
    // 转出金额超限 提示
    that.setData({
      balanceInput: amount,
      transfinite
    });
  },