houseworking/miniapp/app/pages/goodsDetail/index.js

const $ = global;

new $.Page({
    data: {
        amount: 1,
        unitPrice: 599
    },
    minusAmount() {
        if (this.data.amount > 1) {
            this.setData({
                amount: this.data.amount - 1
            });
        }
    },
    addAmount() {
        this.setData({
            amount: this.data.amount + 1
        });
    },
    toPay() {
        const {
            name,
            phone,
            address,
            amount
        } = this.data;
        if (!name || !phone || !address || !amount) {
            return $.wx.showToast({
                title: '请把信息填写完整'
            });
        }
        if (!this._isPhone(phone)) {
            return $.wx.showToast({
                title: '请输入正确的手机号码'
            });
        }
        $.wx.showToast({
            title: '微信支付尚未接入'
        });
    }
});