feat(支付):折扣券最大减免金额支持

石广澎

2025-03-07 fb809790d865c5ec0a107c752f1a8c0be151cb9b

 pay/scanpay.vue

@@ -13,15 +13,9 @@
      <view class="u-p-24 bg-fff u-m-32 u-br-10">
        <view class="u-flex u-row-between">
          <view class="u-font-28 color-666">金额</view>
          <view @click="buyerNote='';showRemark=true;" class="remark">添加备注</view>
          <view v-if="!onlineId" @click="buyerNote='';showRemark=true;" class="remark">添加备注</view>
        </view>
        <view v-if="smoney" class="u-p-v-20 u-flex u-col-bottom u-border-bottom u-relative money-box">
          <view class="money-icon color-333 lh-1">¥</view>
          <view class="u-flex-1 u-flex u-col-bottom u-m-l-10" style="height: 80rpx;">
            <view class="money-num lh-1">{{ smoney }}</view>
          </view>
        </view>
        <view v-else class="u-p-v-20 u-flex u-col-bottom u-border-bottom u-relative money-box">
        <view class="u-p-v-20 u-flex u-col-bottom u-border-bottom u-relative money-box">
          <view class="money-icon color-333 lh-1">¥</view>
          <view class="u-flex-1 u-flex u-col-bottom u-m-l-10" style="height: 80rpx;">
            <view v-if="money" class="money-num lh-1">{{ money }}</view>
@@ -52,7 +46,7 @@
          </wx-open-launch-weapp>
        </view>
      </view>
      <block v-if="payWay==2&&shopInfo.userCouponFlag==1">
      <block v-if="useCoupon">
        <view class="bg-fff u-m-32 u-br-10">
          <view class="u-flex u-p-24 u-border-bottom">
            <!-- <u-icon name="coupon-fill" size="60rpx" color="#D31F28"></u-icon> -->
@@ -66,7 +60,6 @@
                  {{ $utils.accMul(couponInfo.discount, 10) }}折券
                </view>
              </block>

              <view v-else class="u-font-28 lh-1 u-tips-color">请选择</view>
              <u-icon class="u-m-l-10" name="arrow-right" color="#999" size="16"></u-icon>
            </view>
@@ -88,11 +81,11 @@
          </view>
        </view>
      </block>
      <button class="pay-it" @click="pay">付款</button>
      <button class="pay-it" @click="checkLocation">付款</button>
      <view v-if="bordShow" style="height: 470rpx"></view>
      <!-- 数字键盘 -->
      <u-popup zIndex="500" :show="bordShow" :overlay="false" @close="bordShow = false">
        <key-bord @changeMoney="changeMoney" :num.sync="money" @close="bordShow = false" @pay="pay"></key-bord>
        <key-bord @changeMoney="changeMoney" :num.sync="money" @close="bordShow = false" @pay="checkLocation"></key-bord>
      </u-popup>
      <!-- 优惠券弹窗 -->
      <u-popup v-if="payWay==2" mode="bottom" :closeable="true" :show="couponShow" @close="couponShow = false" :round="10">
@@ -153,11 +146,13 @@
<script>
import {
  config,
  ACCESSTOKEN
  ACCESSTOKEN,
  CHECK_LOCATION
} from 'common/config.js';
import {
  queryShopByCid,
  queryShopByShopId,
  queryShopByOnlineId,
  queryShopByActQrId,
  userLogin,
  queryUseSweepPayCoupon,
  getWechatConfigInfo,
@@ -165,33 +160,36 @@
  saveOrder,
} from 'common/api/index'

import wx from 'weixin-js-sdk';
import {accMul, fenToYuan} from 'common/util' // 使用js-sdk
import wx from 'weixin-js-sdk'; // 使用js-sdk

export default {
  data() {
    return {
      smoney: '',
      tips: '该商户暂未开通支付功能',
      payLoading: false,
      loading: false,
      remark: '',
      buyerNote: '',
      showRemark: false,
      UNIONID: null,
      payWay: this.$utils.getPlat(), //2 维信 5支付宝 15云闪付
      payWay: this.$utils.getPlat(), //2 微信公众号 3微信小程序 5支付宝 15云闪付
      cid: '', //码牌id  C扫B静态码时有
      activityQrcodeId: '', //动态收款码  C扫B动态码时有
      shopId: '', //商户id  C扫B动态码时有
      bordShow: false, // 显示键盘
      orderId: '',
      onlineId: '', //冀优邮线上订单id
      orderId: '', //
      shopInfo: {
        cusid: '',
        shopName: '',
        logoImage: '',
        checkLocation: false,
        scanFlag: -1,
        useScoreFlag: -1, //商铺是否可用积分 0否 1是
        userCouponFlag: -1, //商铺是否可用优惠券 0否 1是
      },
      lat: '', //纬度
      lng: '', //经度
      money: '', // 金额
      token: null,
      isNew: false, // 是否新用户，新用户查询不到积分和银行卡
@@ -201,26 +199,37 @@
      couponInfo: {
        id: '',
        discount: 0,
        thresholdValue: 0
        thresholdValue: 0,
        discountMax: 0,
      }, // 优惠券内容
      checkCoupon: {
        id: null,
        discount: 0,
        thresholdValue: 0
        thresholdValue: 0,
        discountMax: 0,
      },
    };
  },
  computed: {
    useCoupon() {
      if(this.onlineId){
        return this.couponInfo.id!=''
      }
      return this.payWay==2&&this.shopInfo.userCouponFlag==1
    },
    discount1() {
      if(!(this.money || 0)||!this.checkCoupon.id){
        return 0
      }
      if (this.checkCoupon.discountType == 1) {
        const num = this.$utils.fenToYuan(this.couponInfo.discount)
        const num = this.$utils.fenToYuan(this.checkCoupon.discount)
        return parseFloat(num);
      }
      const dis = 1 - parseFloat(this.checkCoupon.discount)
      const dic = Math.floor(this.$utils.accMul(this.money,100) * dis)
      let dic = Math.floor(this.$utils.accMul(this.money,100) * dis)
      if(dic>this.checkCoupon.discountMax){
        dic = this.checkCoupon.discountMax
      }
      return this.$utils.fenToYuan(dic).toFixed(2);
    },
    discount() {
@@ -232,7 +241,10 @@
        return parseFloat(num);
      }
      const dis = 1 - parseFloat(this.couponInfo.discount)
      const dic = Math.floor(this.$utils.accMul(this.money,100) * dis)
      let dic = Math.floor(this.$utils.accMul(this.money,100) * dis)
      if(dic>this.couponInfo.discountMax){
        dic = this.couponInfo.discountMax
      }
      return this.$utils.fenToYuan(dic).toFixed(2);
    },
    payMoney() {
@@ -244,30 +256,26 @@
    }
  },
  onLoad(opt) {
    uni.setStorageSync('CID', opt.cid)
    uni.setStorageSync('SHOPID', opt.shopId)
    uni.setStorageSync('SMONEY', opt.smoney)
    uni.setStorageSync('AQCI', opt.activityQrcodeId)
    this.UNIONID = uni.getStorageSync('UNIONID') || null
    this.isNew = uni.getStorageSync('IS_NEW')
    if (opt.smoney) {
      this.smoney = opt.smoney
      this.money = opt.smoney
    } else {
      this.bordShow = true
    }
    if (opt.activityQrcodeId) {
      this.activityQrcodeId = opt.activityQrcodeId
      // this.getOrderInfo()
    }
    if (opt.shopId) {
      this.shopId = opt.shopId
      this.init()
    }

    if (opt.cid) {
      this.bordShow = true
      this.cid = opt.cid
      this.init()
    } else if (opt.onlineId) {
      this.onlineId = opt.onlineId
      this.init()
    } else if (opt.activityQrcodeId) {
      this.activityQrcodeId = opt.activityQrcodeId
      this.shopId = opt.shopId
      this.init()
    } else {
      this.shopInfo.scanFlag = 0
      this.loading = false
      this.tips = '请扫描冀驿付码牌！'
    }

    if (opt.code || opt.auth_code || opt.userAuthCode) {
      let params = {
        code: opt.code
@@ -343,14 +351,14 @@
      uni.setStorageSync(ACCESSTOKEN, res.token)
      uni.setStorageSync('IS_NEW', res.isNew)
      this.isNew = res.isNew
      if (!res.isNew && !uni.$u.test.isEmpty(this.money)) {
      if (!this.onlineId&&!res.isNew && !uni.$u.test.isEmpty(this.money)) {
        this.queryUseSweepPayCoupon()
      }
    },
    /*授权unionid*/
    toRegister() {
      if (this.payWay == 2) {
        const redirect_uri = encodeURIComponent(`${config.webURL}/pay/scanpay?cid=${this.cid || ''}&shopId=${this.shopId || ''}&activityQrcodeId=${this.activityQrcodeId || ''}&smoney=${this.smoney || ''}`)
        const redirect_uri = encodeURIComponent(`${config.webURL}/pay/scanpay?cid=${this.cid || ''}&activityQrcodeId=${this.activityQrcodeId || ''}&onlineId=${this.onlineId||''}`)
        uni.clearStorageSync()
        window.location.href =
            `https://open.weixin.qq.com/connect/oauth2/authorize?appid=${config.wx_appid}&redirect_uri=${redirect_uri}&response_type=code&scope=snsapi_userinfo&state=1#wechat_redirect`
@@ -372,6 +380,10 @@
    },
    // 展示键盘
    showBord() {
      if(this.onlineId||this.activityQrcodeId){
        this.bordShow = false;
        return
      }
      this.bordShow = true;
    },
    init() {
@@ -391,10 +403,16 @@
          cid: this.cid
        }
      }
      if (this.shopId) {
        api = queryShopByShopId
      if (this.activityQrcodeId) {
        api = queryShopByActQrId
        params = {
          shopId: this.shopId
          activityQrcodeId: this.activityQrcodeId
        }
      }
      if (this.onlineId) {
        api = queryShopByOnlineId
        params = {
          onlineId: this.onlineId
        }
      }
      //获取商铺信息
@@ -407,6 +425,21 @@
          res.logoImage = config.baseURL + res.logoImage
        }
        this.shopInfo = res
        if(res.total){
          this.money = this.$utils.fenToYuan(res.total)
        }
        if(this.onlineId){
          this.money = this.$utils.fenToYuan(res.totalPrice)
          if(res.couponId){
            this.couponInfo = {
              id: res.couponId,
              thresholdValue: res.thresholdValue,
              discount: res.discount,
              discountType: res.discountType,
              discountMax: res.discountMax
            }
          }
        }
      }).catch((err) => {
        clearTimeout(timer)
        this.shopInfo.scanFlag = 0
@@ -425,18 +458,74 @@
            timestamp: res.timestamp, // 必填，生成签名的时间戳
            nonceStr: res.noncestr, // 必填，生成签名的随机串
            signature: res.signature, // 必填，签名
            jsApiList: ['hideAllNonBaseMenuItem'], // 必填，需要使用的JS接口列表
            jsApiList: ['hideAllNonBaseMenuItem','getLocation'], // 必填，需要使用的JS接口列表
            openTagList: ['wx-open-launch-weapp'] //可选，需要使用的开放标签列表
          });
          wx.ready(function () {
          wx.ready( ()=> {
            wx.hideAllNonBaseMenuItem();
          })
        })
      }
      if(this.payWay == 5){
        ap.hideOptionButton();
      }
    },
    apGetLocation(callback){
      ap.getLocation((res)=> {
        console.log('apGetLocation',res)
          if(res.latitude){
            this.lat = parseFloat(res.latitude).toFixed(6); // 纬度，浮点数，范围为90 ~ -90
            this.lng = parseFloat(res.longitude).toFixed(6); // 经度，浮点数，范围为180 ~ -180。
            if(callback) callback()
          }else{
            uni.showModal({
              title: '提示',
              content: "获取地理位置失败，无法进行支付！请打开手机定位权限并同意获取位置后重试!",
              confirmText: '重新授权',
              cancelText: '退出',
              success: ret=>{
                if(ret.confirm){
                  this.apGetLocation(callback)
                }else{
                  this.clickDone()
                }
              }
            })
          }
        })
    },
    wxGetLocation(callback){
      wx.getLocation({
        type: 'gcj02', // 默认为wgs84的gps坐标，如果要返回直接给openLocation用的火星坐标，可传入'gcj02'
        complete:  (res)=> {
          if(res.errMsg==="getLocation:ok"){
            this.lat = parseFloat(res.latitude).toFixed(6); // 纬度，浮点数，范围为90 ~ -90
            this.lng = parseFloat(res.longitude).toFixed(6); // 经度，浮点数，范围为180 ~ -180。
            if(callback) callback()
          }else{
            uni.showModal({
              title: '提示',
              content: "获取地理位置失败，无法进行支付！请打开手机定位权限并同意获取位置后重试!",
              confirmText: '重新授权',
              cancelText: '退出',
              success: ret=>{
                if(ret.confirm){
                  this.wxGetLocation(callback)
                }else{
                  this.clickDone()
                }
              }
            })
          }
        }
      });
    },
    // 获取会员相关信息
    showCoupon() {
      if (this.UNIONID) {
      if(this.onlineId){
        return
      }
      if (this.UNIONID||this.payWay==5) {
        if (uni.$u.test.isEmpty(this.money)) {
          uni.$u.toast('请输入金额！')
          return
@@ -450,10 +539,16 @@
    },
    //获取用户优惠券
    queryUseSweepPayCoupon() {
      //2 微信 5支付宝 15云闪付
      const applyPayWayStr = {
        2: 1,
        5: 2,
        15: 3
      }
      queryUseSweepPayCoupon({
        params: {
          score: 0,
          applyPayWayStr: this.payWay,
          applyPayWayStr: applyPayWayStr[this.payWay],
          cusid: this.shopInfo.id,
          money: this.$utils.accMul(this.money,100),
        }
@@ -481,6 +576,26 @@
      this.couponInfo = this.checkCoupon;
      this.couponShow = false;
    },
    checkLocation(){
      if(!CHECK_LOCATION){
        this.pay()
        return
      }
      if (uni.$u.test.isEmpty(this.money)) {
        uni.$u.toast('请输入金额！')
        return
      }
      if(!this.lat){
        if(this.payWay == 2){
          this.wxGetLocation(this.pay)
        }
        if(this.payWay == 5){
          this.apGetLocation(this.pay)
        }
      }else{
        this.pay()
      }
    },
    //确认支付
    pay() {
      if (uni.$u.test.isEmpty(this.money)) {
@@ -488,21 +603,31 @@
        return
      }
      this.bordShow = false
      if (this.payLoading) return
      this.payLoading = true
      // 金额 this.money
      uni.showLoading()
      const params = {
      uni.showLoading({
        title: '下单中',
        mask: true
      })
      let params = {
        money: this.$utils.accMul(this.money,100),
        shopId: this.shopInfo.id,
        payWay: this.payWay,
        buyerNote: this.buyerNote,
        score: 0,
        couponDetailId: this.couponInfo.id
        couponDetailId: this.couponInfo.id,
        lat: this.lat,
        lng: this.lng
      }
      if (this.activityQrcodeId) {
        params.activityQrcodeId = this.activityQrcodeId
      }
      if (this.cid) {
        params.cid = this.cid
      }
      if (this.onlineId) {
        params.onlineId = this.onlineId
      }
      //生成订单
      saveOrder(params).then(res => {
@@ -521,10 +646,12 @@
            this.aliPay(res.paymentUrl)
          }
        } catch (e) {
          this.payLoading = false
          //TODO handle the exception
          console.error(e);
        }
      }).catch(() => {
        this.payLoading = false
        uni.hideLoading()
      })
    },
@@ -541,6 +668,7 @@
              "paySign": res.paySign //微信签名
            },
            (res) => {
              this.payLoading = false
              if (res.err_msg == "get_brand_wcpay_request:ok") {
                // 使用以上方式判断前端返回,微信团队郑重提示：
                //res.err_msg将在用户支付成功后返回ok，但并不保证它绝对可靠。
@@ -558,6 +686,7 @@
      ap.tradePay({
        tradeNO: res.tradeNO
      }, (res) => {
        this.payLoading = false
        if (res.resultCode == 9000) {
          uni.navigateTo({
            url: `/pay/paySuccess?orderId=${this.orderId}&youHuiInfo=${JSON
@@ -576,11 +705,18 @@
      });
    },
    closeOrder() {
      uni.showLoading({
        title: '取消支付中',
        mask: true
      })
      closeOrder({
        params: {
          id: this.orderId,
        }
      }).then(res => {
        uni.hideLoading()
      }).catch(()=>{
        uni.hideLoading()
      })
    }
  }