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

const WxParse = require('../../wxParse/wxParse.js');
const $ = global;

new $.Page({
    data: {
        amount: 1
    },
    onLoad(options) {
        const id = options.id;
        if (id) {
            $.wx.showToast({
                title: '加载中'
            }, 'loading');
            $.request(`product/${id}`, 'GET', {}).then((res) => {
                if (res.data) {
                    $.wx.hideToast('loading');
                    const article = res.data.info;
                    this.setData({
                        detail: res.data,
                        unitPrice: res.data.price
                    });
                    WxParse.wxParse('article', 'html', article, this, 5)
                }
            });
        }
    },
    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', {
            address,
            contact: name,
            phone,
            products: [{
                id: this.data.detail.id,
                amount
            }]
        }).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) => {
            if (res.msg) {
                const {
                    timestamp,
                    paySign,
                    nonceStr
                } = res.msg;
                const pck = res.msg.package;
                wx.requestPayment({
                    timeStamp: timestamp + '',
                    nonceStr,
                    package: pck,
                    signType: 'MD5',
                    paySign,
                    success(res) {
                        console.log('支付成功', res);
                        $.wx.showToast({
                            title: '支付成功'
                        });
                    },
                    fail() {
                        $.wx.showToast({
                            title: '支付失败'
                        });
                    },
                    complete() {
                        setTimeout(function () {
                            $.router.goto({
                                path: '/pages/order/index',
                                type: $.ROUTER_TYPE.SWITCH_TAB
                            });
                        }, 2000);
                    }
                });
            }
        });
    },
    toCart() {
        $.request('shopcar/add', 'POST', {
            product_id: this.data.detail.id,
            product_amount: this.data.amount || 1
        }).then((res) => {
            $.wx.showToast({
                title: '添加成功'
            });
            setTimeout(function () {
                $.router.goto({
                    path: '/pages/cart/index',
                    type: $.ROUTER_TYPE.SWITCH_TAB
                });
            }, 2000);
        });
    }
});