reader/components/donutBuy/index.js

import {
    createAndroidOrder,
    payQrCode,
    pollingOrder
} from '~/api/global'
let polling
Component({
    properties: {

    },
    data: {
        qrCode: '',
        product: {}
    },
    lifetimes: {
        attached() {
            /*    this.selectComponent("#popUp").showModal()
               this.getTabBar().setData({
                   show: false
               }) */
        },
    },
    methods: {
        async open(product) {
            let orderId = await createAndroidOrder({
                productId: product.id
            })
            let qrCode = await payQrCode({
                orderId,
                productId: product.id,
                channel: wx.getStorageSync('channelCode')
            })
            this.getTabBar().setData({
                show: false
            })
            this.setData({
                product,
                qrCode
            })
            this.selectComponent("#popUp").showModal()
            polling = setInterval(async () => {
                let res = await pollingOrder(orderId)
                if (res.payStatus == 'SUCCESS') {
                    this.triggerEvent('paySuccess')
                    this.close()
                }
            }, 2000);
        },
        closeEvent() {
            this.getTabBar().setData({
                show: true
            })
            clearInterval(polling)
        },
        close() {
            this.selectComponent("#popUp").hideModal()
            this.getTabBar().setData({
                show: true
            })
        }
    }
})