feat(statistics): 优化统计数据响应式与新增今日统计数据

- 将核心统计数据和待处理事项改为computed，确保响应式更新
- 使用ref管理待发货订单数、退款申请数和优惠券使用数
- 异步请求接口获取待处理事项的实际数据并更新状态
- 在统计模块中新增今日销售额、订单数和新增用户的安全获取逻辑
- 将今日统计数据纳入本地状态合并，提高数据完整性
- 修正今日统计显示逻辑，替换模拟数据为真实数据来源

src/views/shop/dashboard/index.vue

@@ -205,7 +205,7 @@
 </template>
 
 <script lang="ts" setup>
-import { reactive, computed, onMounted, onUnmounted } from 'vue';
+import { reactive, ref, computed, onMounted, onUnmounted } from 'vue';
 import { useRouter } from 'vue-router';
 import {
   ReloadOutlined,
@@ -220,6 +220,7 @@ import {
 import { message } from 'ant-design-vue/es';
 import { useSiteStore } from '@/store/modules/site';
 import { useStatisticsStore } from '@/store/modules/statistics';
+import { pageShopOrder } from '@/api/shop/shopOrder';
 import { storeToRefs } from 'pinia';
 import { removeSiteInfoCache } from '@/api/cms/cmsWebsite';
 
@@ -246,32 +247,40 @@ const runDays = computed(() => siteStore.runDays);
 const userCount = computed(() => statisticsStore.userCount);
 const orderCount = computed(() => statisticsStore.orderCount);
 const totalSales = computed(() => statisticsStore.totalSales);
+const todaySales = computed(() => statisticsStore.todaySales);
+const todayOrders = computed(() => statisticsStore.todayOrders);
+const todayUsers = computed(() => statisticsStore.todayUsers);
 
 // 加载状态
 const loading = computed(() => siteLoading.value || statisticsLoading.value);
 
-// 核心统计数据
-const coreStats = reactive([
-  { icon: '🏸', label: '用户总数', value: 0, desc: '注册用户', color: 'blue', to: '/system/user' },
-  { icon: '📦', label: '订单总数', value: 0, desc: '全部订单', color: 'orange', to: '/shop/shopOrder' },
-  { icon: '💰', label: '总营业额', value: '0.00', desc: '元', color: 'purple', to: '/shop/shopOrder' },
-  { icon: '⏱️', label: '运行天数', value: 0, desc: '系统运行', color: 'green', to: '' },
+// 核心统计数据（使用computed确保响应式更新）
+const coreStats = computed(() => [
+  { icon: '🏸', label: '用户总数', value: userCount.value || 0, desc: '注册用户', color: 'blue', to: '/system/user' },
+  { icon: '📦', label: '订单总数', value: orderCount.value || 0, desc: '全部订单', color: 'orange', to: '/shop/shopOrder' },
+  { icon: '💰', label: '总营业额', value: totalSales.value || 0, desc: '元', color: 'purple', to: '/shop/shopOrder' },
+  { icon: '⏱️', label: '运行天数', value: runDays.value || 0, desc: '系统运行', color: 'green', to: '' },
 ]);
 
-// 待处理事项
-const todoItems = reactive([
-  { label: '待发货订单', value: 0, to: '/shop/shopOrder', tagColor: 'blue', dotColor: 'dot-blue', urgent: false },
-  { label: '退款申请', value: 0, to: '/shop/shopOrder', tagColor: 'orange', dotColor: 'dot-orange', urgent: false },
-  { label: '优惠券使用', value: 0, to: '/market/coupon', tagColor: 'cyan', dotColor: 'dot-cyan', urgent: false },
+// 待处理事项数据
+const pendingShipmentCount = ref(0);
+const pendingRefundCount = ref(0);
+const couponUsedCount = ref(0);
+
+// 待处理事项（使用computed确保响应式更新）
+const todoItems = computed(() => [
+  { label: '待发货订单', value: pendingShipmentCount.value, to: '/shop/shopOrder', tagColor: 'blue', dotColor: 'dot-blue', urgent: pendingShipmentCount.value > 0 },
+  { label: '退款申请', value: pendingRefundCount.value, to: '/shop/shopOrder', tagColor: 'orange', dotColor: 'dot-orange', urgent: pendingRefundCount.value > 0 },
+  { label: '优惠券使用', value: couponUsedCount.value, to: '/market/coupon', tagColor: 'cyan', dotColor: 'dot-cyan', urgent: false },
 ]);
 
-// 今日统计
-const todayStats = reactive({
-  salesAmount: 0.00,
-  orderCount: 0,
-  newUsers: 0,
-  couponUsed: 0,
-});
+// 今日统计（使用computed确保响应式更新）
+const todayStats = computed(() => ({
+  salesAmount: todaySales.value || 0,
+  orderCount: todayOrders.value || 0,
+  newUsers: todayUsers.value || 0,
+  couponUsed: couponUsedCount.value || 0,
+}));
 
 // 快速入口
 const quickLinks = [
@@ -320,21 +329,49 @@ const loadData = async () => {
       statisticsStore.fetchStatistics()
     ]);
 
-    // 更新核心统计数据
-    coreStats[0].value = userCount.value || 0;
-    coreStats[1].value = orderCount.value || 0;
-    coreStats[2].value = totalSales.value || 0;
-    coreStats[3].value = runDays.value || 0;
+    // 获取待处理事项数据
+    try {
+      // 获取待发货订单数（deliveryStatus=10未发货，orderStatus=1已完成/已付款）
+      const shipmentResult = await pageShopOrder({
+        deliveryStatus: 10,
+        orderStatus: 1,
+        page: 1,
+        limit: 1
+      });
+      pendingShipmentCount.value = shipmentResult?.count || 0;
+    } catch (e) {
+      console.warn('获取待发货订单数失败:', e);
+      pendingShipmentCount.value = 0;
+    }
 
-    // 模拟今日数据（实际应从后端统计接口获取）
-    todayStats.salesAmount = totalSales.value;
-    todayStats.orderCount = orderCount.value || 0;
-    todayStats.newUsers = Math.floor((userCount.value || 0) * 0.1);
-    todayStats.couponUsed = 0;
+    try {
+      // 获取退款申请数（orderStatus=4退款申请中，orderStatus=7客户端申请退款）
+      const refundResult = await pageShopOrder({
+        orderStatus: 4,
+        page: 1,
+        limit: 1
+      });
+      pendingRefundCount.value = refundResult?.count || 0;
+    } catch (e) {
+      console.warn('获取退款申请数失败:', e);
+      pendingRefundCount.value = 0;
+    }
 
-    // 待处理事项（可以从 store 中获取真实数据）
-    // todoItems[0].value = ... // 待发货订单数
-    // todoItems[1].value = ... // 退款申请数
+    try {
+      // 获取今日使用优惠券的订单数
+      const today = new Date().toISOString().split('T')[0];
+      const couponResult = await pageShopOrder({
+        couponType: 1, // 抵扣优惠券
+        createTimeStart: today,
+        createTimeEnd: today,
+        page: 1,
+        limit: 1
+      });
+      couponUsedCount.value = couponResult?.count || 0;
+    } catch (e) {
+      console.warn('获取优惠券使用数失败:', e);
+      couponUsedCount.value = 0;
+    }
 
   } catch (error) {
     console.error('加载数据失败:', error);