feat: 购买次数卡弹窗新增数量选择功能并同步更新购买接口。

api/appUser.js

@@ -354,8 +354,9 @@ export function getGamePassPackages(activity_id) {
 /**
  * 购买次数卡套餐
  * @param {number} package_id - 套餐ID
+ * @param {number} count - 购买数量
  */
-export function purchaseGamePass(package_id) {
-  return authRequest({ url: '/api/app/game-passes/purchase', method: 'POST', data: { package_id } })
+export function purchaseGamePass(package_id, count = 1) {
+  return authRequest({ url: '/api/app/game-passes/purchase', method: 'POST', data: { package_id, count } })
 }
 

components/GamePassPurchasePopup.vue

@@ -37,7 +37,17 @@
                <view class="pkg-original-price" v-if="pkg.original_price > pkg.price">
                  ¥{{ (pkg.original_price / 100).toFixed(2) }}
                </view>
-               <button class="btn-buy" :loading="purchasingId === pkg.id">购买</button>
+               
+               <view class="action-row">
+                 <view class="stepper" @tap.stop>
+                   <text class="step-btn minus" @tap="updateCount(pkg.id, -1)">-</text>
+                   <text class="step-val">{{ counts[pkg.id] || 1 }}</text>
+                   <text class="step-btn plus" @tap="updateCount(pkg.id, 1)">+</text>
+                 </view>
+                 <button class="btn-buy" :loading="purchasingId === pkg.id" @tap.stop="handlePurchase(pkg)">
+                   购买
+                 </button>
+               </view>
              </view>
           </view>
         </scroll-view>
@@ -60,6 +70,15 @@ const emit = defineEmits(['update:visible', 'success'])
 const loading = ref(false)
 const packages = ref([])
 const purchasingId = ref(null)
+const counts = ref({})
+
+function updateCount(pkgId, delta) {
+  const current = counts.value[pkgId] || 1
+  const newVal = current + delta
+  if (newVal >= 1 && newVal <= 99) {
+    counts.value[pkgId] = newVal
+  }
+}
 
 watch(() => props.visible, (val) => {
   if (val) {
@@ -78,6 +97,11 @@ async function fetchPackages() {
     else if (res && Array.isArray(res.list)) list = res.list
     else if (res && Array.isArray(res.data)) list = res.data
 
+    // 初始化counts
+    const countMap = {}
+    list.forEach(p => countMap[p.id] = 1)
+    counts.value = countMap
+    
     // 简单处理：给第一个或最优惠的打标签
     // 这里随机模拟一下 "热销" 或计算折扣力度
     packages.value = list.map(p => {
@@ -112,7 +136,8 @@ async function handlePurchase(pkg) {
     // 如果返回 pay_params，则直接支付
     
     // 假设 API 返回 { order_no, ... }
-    const res = await purchaseGamePass(pkg.id)
+    const count = counts.value[pkg.id] || 1
+    const res = await purchaseGamePass(pkg.id, count)
     const orderNo = res.order_no || res.orderNo
     if (!orderNo) throw new Error('下单失败')
     
@@ -290,10 +315,10 @@ function handleClose() {
   background: linear-gradient(90deg, #FF6B00, #FF9F43);
   color: #FFF;
   font-size: 24rpx;
-  padding: 0 24rpx;
-  height: 56rpx;
-  line-height: 56rpx;
-  border-radius: 28rpx;
+  padding: 0 20rpx;
+  height: 52rpx;
+  line-height: 52rpx;
+  border-radius: 26rpx;
   border: none;
   font-weight: 600;
   
@@ -301,4 +326,41 @@ function handleClose() {
     opacity: 0.8;
   }
 }
+
+.action-row {
+  display: flex;
+  align-items: center;
+  gap: 12rpx;
+  margin-top: 8rpx;
+}
+
+.stepper {
+  display: flex;
+  align-items: center;
+  background: #F3F4F6;
+  border-radius: 12rpx;
+  padding: 2rpx;
+  
+  .step-btn {
+    width: 44rpx;
+    height: 44rpx;
+    line-height: 40rpx;
+    text-align: center;
+    font-size: 32rpx;
+    color: #4B5563;
+    font-weight: 300;
+  }
+  
+  .minus {
+    color: #9CA3AF;
+  }
+  
+  .step-val {
+    width: 40rpx;
+    text-align: center;
+    font-size: 26rpx;
+    font-weight: bold;
+    color: #1F2937;
+  }
+}
 </style>