优化新版积分

src/api/account.js

@@ -367,7 +367,7 @@ export function findCoupon(params) {
 export function calcUsablePoints(params) {
   return request({
     method: "get",
-    url: "/account/admin/points/memberPoints/calcUsablePoints",
+    url: "/market/admin/points/userPoints",
     params,
   });
 }

src/components/payCard/payCard.vue

@@ -206,7 +206,7 @@
                 <el-form-item label="积分抵扣">
                     <div class="flex">
                         <el-input v-model="couponForm.pointsNum"
-                            :disabled="!couponFormUser.id || !pointOptions.usable || goodsStore.cartInfo.costSummary.finalPayAmount < pointOptions.minPaymentAmount"
+                            :disabled="!couponFormUser.id || !pointOptions.usable || goodsStore.cartInfo.costSummary.finalPayAmount < pointOptions.minPaymentAmount || (couponFormUser.accountPoints || 0) < (pointOptions.minPoints || 0)"
                             :placeholder="pointOptions.usable ? '请输入需要抵扣的积分' : pointOptions.unusableReason"
                             v-loading="pointOptions.loading" @input="pointInput">
                             <template #prepend>现有积分：{{ couponFormUser.accountPoints || 0 }}</template>
@@ -252,7 +252,7 @@ import CouponModal from '@/components/payCard/couponModal.vue'
 import { ElMessage } from "element-plus";
 import { staffPermission } from "@/api/user.js";
 import { cashPay, buyerPage, creditPay, vipPay } from "@/api/order.js";
-import { calcUsablePoints, calcDeductionAmount } from '@/api/account.js'
+import { calcUsablePoints } from '@/api/account.js'
 import { useGoods } from "@/store/goods.js";
 
 const emit = defineEmits(["paySuccess", 'orderExpired', 'reset']);
@@ -651,13 +651,20 @@ const couponResList1 = ref([])
 const couponResList2 = ref([])
 
 const pointOptions = ref({
-    min: 0,
-    max: 0,
-    minPaymentAmount: 0,
+    // 新接口字段
+    enableRewards: 0, // 是否开启消费赠送积分（1 开启）
+    consumeAmount: 0, // 每消费xx元赠送1积分
+    minPaymentAmount: 0, // 下单实付抵扣门槛（元）
+    maxDeductionRatio: 0, // 下单最高抵扣比例（如 0.2 表示最多抵扣 20%）
+    equivalentPoints: 0, // 1元 = ? 积分
+    enablePointsMall: 0, // 是否开启积分商城
+
+    // 派生字段（页面使用）
+    minPoints: 0, // 最少使用积分（换算后）
+    maxPoints: 0, // 最大可用积分（换算后）
     usable: true,
     unusableReason: '',
-    amount: 0,
-    equivalentPoints: '',
+    amount: 0, // 抵扣金额（元）
     loading: false
 })
 
@@ -734,9 +741,15 @@ function cancelAllDiscount() {
 
 // 同意更新商品计算
 function updateCartCalc() {
+    // 计算最大抵扣金额（按订单金额 * 最大抵扣比例）
+    const orderAmount = Number(goodsStore.cartInfo.costSummary.finalPayAmount || 0)
+    const maxDeductionAmount = (pointOptions.value.maxDeductionRatio && pointOptions.value.equivalentPoints !== undefined)
+        ? orderAmount * pointOptions.value.maxDeductionRatio
+        : 0
+
     goodsStore.calcCartInfo({
         pointsPerYuan: pointOptions.value.equivalentPoints,
-        maxDeductionAmount: pointOptions.value.max,
+        maxDeductionAmount: maxDeductionAmount,
         userPoints: couponForm.value.pointsNum,
         backendCoupons: couponResList1.value,
         fixedAmount: discountRateNumber.value
@@ -759,13 +772,26 @@ const pointInput = _.debounce(function (e) {
     couponForm.value.pointsNum = inputFilterInt(e)
     console.log('inputFilterInt===', couponForm.value.pointsNum);
 
-    // 若如果大于最大值
-    if (couponForm.value.pointsNum > pointOptions.value.max) {
-        couponForm.value.pointsNum = pointOptions.value.max
+    // 未登录用户或无可用积分时直接归0并返回
+    const userAvailablePoints = Number(couponFormUser.accountPoints || 0)
+    if (!couponFormUser.id || userAvailablePoints <= 0) {
+        couponForm.value.pointsNum = 0
+        pointOptions.value.amount = 0
+        updateCartCalc()
+        return
     }
-    // 如果小于最大值
-    if (couponForm.value.pointsNum < pointOptions.value.min) {
-        couponForm.value.pointsNum = pointOptions.value.min
+
+    // 限制不得超过用户现有积分
+    if (couponForm.value.pointsNum > userAvailablePoints) {
+        couponForm.value.pointsNum = userAvailablePoints
+    }
+
+    // 边界限制：不得超过最大/小于最小
+    if (couponForm.value.pointsNum > pointOptions.value.maxPoints) {
+        couponForm.value.pointsNum = pointOptions.value.maxPoints
+    }
+    if (couponForm.value.pointsNum < pointOptions.value.minPoints) {
+        couponForm.value.pointsNum = pointOptions.value.minPoints
     }
 
     if (!e) {
@@ -779,7 +805,7 @@ const pointInput = _.debounce(function (e) {
 
 
     // 满足条件式开始计算抵扣金额，由后端返回
-    if (couponForm.value.pointsNum >= pointOptions.value.min && couponForm.value.pointsNum <= pointOptions.value.max) {
+    if (couponForm.value.pointsNum >= pointOptions.value.minPoints && couponForm.value.pointsNum <= pointOptions.value.maxPoints) {
         pointOptions.value.loading = true
         calcPointMoney()
     }
@@ -788,16 +814,33 @@ const pointInput = _.debounce(function (e) {
 }, 500)
 
 
-// 根据积分计算可抵扣金额
+// 根据积分计算可抵扣金额（前端计算，不依赖后端）
 const calcPointMoney = async () => {
     try {
-        const res = await calcDeductionAmount({
-            shopUserId: goodsStore.vipUserInfo.id,
-            orderAmount: goodsStore.cartInfo.costSummary.finalPayAmount,
-            points: couponForm.value.pointsNum
-        })
-        pointOptions.value.amount = formatDecimal(+res)
-        couponForm.value.amount = couponForm.value.amount - res
+        const eq = Number(pointOptions.value.equivalentPoints || 0) // 积分与元的换算：1元 = eq 积分
+        const points = Number(couponForm.value.pointsNum || 0)
+        const orderAmount = Number(goodsStore.cartInfo.costSummary.finalPayAmount || 0)
+
+        if (!eq || points <= 0) {
+            pointOptions.value.amount = 0
+            // 若未初始化 couponForm.value.amount，则用订单原价
+            couponForm.value.amount = couponForm.value.amount || originOrderAmount.value || orderAmount
+            updateCartCalc()
+            return
+        }
+
+        // 积分可抵扣的金额（元）
+        let deductionFromPoints = points / eq
+
+        // 最大可抵扣金额基于订单金额和最大抵扣比例
+        const maxDeductionAmount = orderAmount * (pointOptions.value.maxDeductionRatio || 0)
+
+        // 最终抵扣为积分抵扣金额与最大比例的较小者，且不超过订单可支付金额
+        const baseAmount = Number(couponForm.value.amount || originOrderAmount.value || orderAmount)
+        let deduction = Math.min(deductionFromPoints, maxDeductionAmount, baseAmount)
+
+        pointOptions.value.amount = formatDecimal(deduction)
+        couponForm.value.amount = formatDecimal(baseAmount - deduction)
 
         updateCartCalc()
     } catch (error) {
@@ -833,6 +876,12 @@ function couponDialogOpen() {
         couponFormUserList.value = []
         couponFormUser.value = ''
     }
+
+    // 初始化优惠表单的金额基数：优先使用 originOrderAmount，其次使用购物车的最终支付金额
+    const baseAmount = Number(originOrderAmount.value || 0) || Number(goodsStore.cartInfo.costSummary.finalPayAmount || 0)
+    couponForm.value.originAmount = formatDecimal(baseAmount)
+    couponForm.value.amount = formatDecimal(baseAmount - roundAmount.value)
+    resetCouponForm.value = { ...couponForm.value }
 }
 
 // 关闭后初始化dialog
@@ -906,17 +955,37 @@ function resetCoupon() {
 // 选择完用户后开始获取积分使用配置
 async function pointOptionsAjax() {
     try {
-        const res = await calcUsablePoints({
+        const { pointsConfig, pointsUser } = await calcUsablePoints({
             shopUserId: goodsStore.vipUserInfo.id,
-            orderAmount: goodsStore.cartInfo.costSummary.finalPayAmount
+            // orderAmount: goodsStore.cartInfo.costSummary.finalPayAmount
         })
 
-        pointOptions.value.min = res.minDeductionPoints // 最少使用积分
-        pointOptions.value.max = res.maxUsablePoints // 最大使用积分
-        pointOptions.value.usable = res.usable // 是否可用
-        pointOptions.value.unusableReason = res.unusableReason // 不可用的原因
-        pointOptions.value.minPaymentAmount = res.minPaymentAmount // 最少使用的金额
-        pointOptions.value.equivalentPoints = res.equivalentPoints
+        const res = pointsConfig || {}
+        const userPoint = pointsUser
+
+        couponFormUser.value.accountPoints = userPoint.id ? userPoint.pointBalance : 0
+
+        // 映射最新接口字段
+        pointOptions.value.enableRewards = Number(res.enableRewards || 0)
+        pointOptions.value.consumeAmount = Number(res.consumeAmount || 0)
+        pointOptions.value.minPaymentAmount = Number(res.minPaymentAmount || 0)
+        pointOptions.value.maxDeductionRatio = Number(res.maxDeductionRatio || 0)
+        pointOptions.value.equivalentPoints = Number(res.equivalentPoints || 0)
+        pointOptions.value.enablePointsMall = Number(res.enablePointsMall || 0)
+
+        // 计算页面需要的最小/最大可用积分（按接口返回的金额阈值与比例换算为积分）
+        const eq = pointOptions.value.equivalentPoints || 0
+        const orderAmount = Number(goodsStore.cartInfo.costSummary.finalPayAmount || 0)
+
+        // 最少使用积分：基于最小抵扣金额换算（若无则为0）
+        pointOptions.value.minPoints = pointOptions.value.minPaymentAmount && eq ? Math.ceil(pointOptions.value.minPaymentAmount * eq) : 0
+
+        // 最大可用积分：基于订单金额与最大抵扣比例换算
+        pointOptions.value.maxPoints = (pointOptions.value.maxDeductionRatio && eq) ? Math.floor(orderAmount * pointOptions.value.maxDeductionRatio * eq) : 0
+
+        // 可用性
+        pointOptions.value.usable = pointOptions.value.enableRewards === 1 && pointOptions.value.maxPoints > 0
+        pointOptions.value.unusableReason = pointOptions.value.usable ? '' : (pointOptions.value.enableRewards !== 1 ? '商家未开启积分抵扣' : '订单不可抵扣积分')
     } catch (error) {
         console.log(error);
     }