fastNetwork/pages/exchange/exchange.js

//index.js
//获取应用实例
const app = getApp()

Page({
  data: {
    form: {
      name: '顾红伟',
      phone: '17319450324',
      isNum: '100',
    },
    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)) {
      if (parseFloat(data.isNum) >= 100 && parseFloat(data.number) >= 100) {
        // 扣除6%手续费
        data.number = (data.number - data.number * 0.06).toFixed(2);
        wx.showToast({
          title: '提现成功',
          icon: 'success',
          duration: 2000
        })
      } else {
        wx.showToast({
          title: '提现积分最低为100，请输入大于100的积分',
          icon: 'none',
          duration: 2000
        })
      }
    } else {
      wx.showToast({
        title: '当前输入积分大于您目前拥有积分，请重新输入',
        icon: 'none',
        duration: 2000
      })
    }
  },
  // 兑换记录
  exchangeList: function () {
    wx.navigateTo({
      url: '/pages/exchange/exchangeList'
    })
  },
  onLoad: function () {
  },
})