//index.js //获取应用实例 const app = getApp() Page({ data: { form: { type: '支付宝', name: '顾红伟', phone: '17319450324', isNum: '100.00', }, number: '' }, //提交 formSubmit: function (e) { let data = this.data.form; data.number = e.detail.value.number; // 判断提现金额是否大于已拥有的金额 if (parseFloat(data.number) <= parseFloat(data.isNum)) { // 扣除6%手续费 data.number = (data.number - data.number * 0.06).toFixed(2); console.log(data); } else { wx.showToast({ title: '输入错误,请重新输入', icon: 'none', duration: 2000 }) } }, // 兑换记录 exchangeList: function () { wx.navigateTo({ url: '/pages/exchange/exchangeList' }) }, onLoad: function () { }, })