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: '购买中'
        }, 'loading');
        $.request('product_order/store', 'POST', {
            amount,
            address,
            contact: name,
            phone,
            product_id: 1
        }).then((res) => {
            if (res.data) {
                this.callWXPay(res.data.id, res.data.order_type || 'product_order');
            }
        });
    },
    callWXPay(order_id, order_type) {
        $.request('payments/pay', 'POST', {
            order_id,
            order_type
        }).then((res) => {
            $.wx.hideToast('loading');

        });
    }
});