优化功能

src/bundle/coupon/coupon.vue

@@ -64,6 +64,7 @@
 
                 <!-- 团购券 -->
                 <view v-if="couponType == 2">
+                    checkedId--{{checkedId}}
                     <view class="mx-30rpx">
                         <view class="mx30rpx">
                             <text class="text-[#303133] font-bold text-30rpx leading-42rpx">可用团购券</text>
@@ -181,11 +182,16 @@
         },
 
         /**
-         * 选择优惠券
+         * 选择/取消选择优惠券
          * @param id 优惠券ID
          */
         handleCheck: (id: number) => {
-            checkedId.value = id
+            // 如果是优惠券的话则是可以取消选择
+            if (couponType.value == 1 && checkedId.value === id) {
+                checkedId.value = 0 // 再次点击已选中时取消选择
+            } else {
+                checkedId.value = id
+            }
         },
 
         /**
@@ -193,12 +199,14 @@
          */
         handleConfirmCoupon: () => {
             let coupon = null
-            if (couponType.value == CouponType.Discount) {
-                coupon = couponList.value.use.find(item => item.user_coupon_id === checkedId.value)
-            } else {
-                coupon = groupCouponList.value.find(item => item.id === checkedId.value)
+
+            if (checkedId.value > 0) {
+                if (couponType.value == CouponType.Discount) {
+                    coupon = couponList.value.use.find(item => item.user_coupon_id === checkedId.value)
+                } else {
+                    coupon = groupCouponList.value.find(item => item.id === checkedId.value)
+                }
             }
-            console.log("🚀 ~ coupon:", coupon)
 
             uni.$emit('chooseCoupon', { coupon })
             router.navigateBack()