caimei-applets-caimei/utils/mixins/wechatPay.js

import authorize from '@/common/authorize.js'

// 调用微信支付
function wxRequestPayment(payData) {
    return new Promise((resolve, reject) => {
        uni.requestPayment({
            timeStamp: payData.timeStamp,
            nonceStr: payData.nonceStr,
            package: payData.package,
            signType: payData.signType,
            paySign: payData.paySign,
            success: () => {
                resolve(true)
            },
            fail: () => {
                reject({ msg: 'error' })
            }
        })
    })
}

// 微信支付
const wechatCouponPay = {
    data() {
        
    },
    methods: {
        // 获取微信支付payment
        async weChatMiniWxPay(data) {
            try {
                // 获取微信code
                const wechatCode = await authorize.getCode('weixin')
                // 微信支付请求 返回支付信息
                const response = await this.PayService.WeChatCouponMiniWxPay({
                    userId: this.listQuery.userId,
                    couponId: coupon.couponId,
                    payWay: 'WEIXIN',
                    code: wechatcode
                })
                // 处理支付信息 调用微信支付
                const payment = JSON.parse(response.data.data.payInfo)
                const payFlag = await wxRequestPayment(payment)
                // debugger
                // console.log(this.hanldOrder)
                // 支付成功重定向
                uni.setStorageSync('orderInfo', this.hanldOrder.order)
                if (payFlag) {
                    // 微信支付成功回调 在页面onload中通过this.$on监听orderPaySuccess事件回调
                    uni.reLaunch({url: '/pages/tabBar/user/user'})
                } else {
                    uni.reLaunch({ url: '/pages/order/error' })
                }
            } catch (error) {
                // 微信支付失败
                this.$util.msg(error.msg, 2000)
            } 
        }
    }
}

export default {
    wechatCouponPay
}