feat: enhance superadmin dashboard overview

backend/app/http/super/v1/contents.go

@@ -50,6 +50,20 @@ func (c *contents) ListTenantContents(ctx fiber.Ctx, tenantID int64, filter *dto
 	return services.Super.ListContents(ctx, filter)
 }
 
+// Content statistics
+//
+// @Router /super/v1/contents/statistics [get]
+// @Summary Content statistics
+// @Description Content statistics
+// @Tags Content
+// @Accept json
+// @Produce json
+// @Success 200 {object} dto.SuperContentStatisticsResponse
+// @Bind filter query
+func (c *contents) Statistics(ctx fiber.Ctx, filter *dto.SuperContentStatisticsFilter) (*dto.SuperContentStatisticsResponse, error) {
+	return services.Super.ContentStatistics(ctx, filter)
+}
+
 // Update content status
 //
 // @Router /super/v1/tenants/:tenantID<int>/contents/:contentID<int>/status [patch]

backend/app/http/super/v1/dto/super.go

@@ -131,6 +131,18 @@ type SuperContentListFilter struct {
 	Desc *string `query:"desc"`
 }
 
+// SuperContentStatisticsFilter 超管内容统计查询条件。
+type SuperContentStatisticsFilter struct {
+	// TenantID 租户ID（不传代表全平台）。
+	TenantID *int64 `query:"tenant_id"`
+	// StartAt 统计开始时间（RFC3339，可选；默认当前时间往前 7 天）。
+	StartAt *string `query:"start_at"`
+	// EndAt 统计结束时间（RFC3339，可选；默认当前时间）。
+	EndAt *string `query:"end_at"`
+	// Granularity 统计粒度（day；目前仅支持 day）。
+	Granularity *string `query:"granularity"`
+}
+
 type SuperOrderListFilter struct {
 	requests.Pagination
 	// ID 订单ID，精确匹配。
@@ -635,3 +647,19 @@ type AdminContentOwnerLite struct {
 	// Status 用户状态。
 	Status consts.UserStatus `json:"status"`
 }
+
+// SuperContentStatisticsResponse 超管内容统计响应。
+type SuperContentStatisticsResponse struct {
+	// TotalCount 内容总量。
+	TotalCount int64 `json:"total_count"`
+	// Trend 按天新增内容趋势。
+	Trend []SuperContentTrendItem `json:"trend"`
+}
+
+// SuperContentTrendItem 内容新增趋势条目。
+type SuperContentTrendItem struct {
+	// Date 日期（YYYY-MM-DD）。
+	Date string `json:"date"`
+	// CreatedCount 当日新增内容数量。
+	CreatedCount int64 `json:"created_count"`
+}

backend/app/http/super/v1/routes.gen.go

@@ -58,6 +58,11 @@ func (r *Routes) Register(router fiber.Router) {
 		r.contents.List,
 		Query[dto.SuperContentListFilter]("filter"),
 	))
+	r.log.Debugf("Registering route: Get /super/v1/contents/statistics -> contents.Statistics")
+	router.Get("/super/v1/contents/statistics"[len(r.Path()):], DataFunc1(
+		r.contents.Statistics,
+		Query[dto.SuperContentStatisticsFilter]("filter"),
+	))
 	r.log.Debugf("Registering route: Get /super/v1/tenants/:tenantID<int>/contents -> contents.ListTenantContents")
 	router.Get("/super/v1/tenants/:tenantID<int>/contents"[len(r.Path()):], DataFunc2(
 		r.contents.ListTenantContents,

backend/app/services/super.go

@@ -2059,6 +2059,74 @@ func (s *super) BatchReviewContents(ctx context.Context, operatorID int64, form
 	return nil
 }
 
+func (s *super) ContentStatistics(ctx context.Context, filter *super_dto.SuperContentStatisticsFilter) (*super_dto.SuperContentStatisticsResponse, error) {
+	// 统一统计时间范围与粒度，默认最近 7 天。
+	reportFilter := &super_dto.SuperReportOverviewFilter{}
+	if filter != nil {
+		reportFilter.TenantID = filter.TenantID
+		reportFilter.StartAt = filter.StartAt
+		reportFilter.EndAt = filter.EndAt
+		reportFilter.Granularity = filter.Granularity
+	}
+	rg, err := s.normalizeReportRange(reportFilter)
+	if err != nil {
+		return nil, err
+	}
+
+	tenantID := int64(0)
+	if filter != nil && filter.TenantID != nil {
+		tenantID = *filter.TenantID
+	}
+
+	// 统计内容总量，支持租户维度过滤。
+	tbl, q := models.ContentQuery.QueryContext(ctx)
+	if tenantID > 0 {
+		q = q.Where(tbl.TenantID.Eq(tenantID))
+	}
+	total, err := q.Count()
+	if err != nil {
+		return nil, errorx.ErrDatabaseError.WithCause(err)
+	}
+
+	// 按天聚合新增内容数量，补齐趋势序列。
+	type contentAggRow struct {
+		Day   time.Time `gorm:"column:day"`
+		Count int64     `gorm:"column:count"`
+	}
+	rows := make([]contentAggRow, 0)
+	query := models.ContentQuery.WithContext(ctx).
+		UnderlyingDB().
+		Model(&models.Content{}).
+		Select("date_trunc('day', created_at) as day, count(*) as count").
+		Where("created_at >= ? AND created_at < ?", rg.startDay, rg.endNext)
+	if tenantID > 0 {
+		query = query.Where("tenant_id = ?", tenantID)
+	}
+	if err := query.Group("day").Scan(&rows).Error; err != nil {
+		return nil, errorx.ErrDatabaseError.WithCause(err)
+	}
+
+	trendMap := make(map[string]int64, len(rows))
+	for _, row := range rows {
+		key := row.Day.Format("2006-01-02")
+		trendMap[key] = row.Count
+	}
+
+	trend := make([]super_dto.SuperContentTrendItem, 0)
+	for day := rg.startDay; !day.After(rg.endDay); day = day.AddDate(0, 0, 1) {
+		key := day.Format("2006-01-02")
+		trend = append(trend, super_dto.SuperContentTrendItem{
+			Date:         key,
+			CreatedCount: trendMap[key],
+		})
+	}
+
+	return &super_dto.SuperContentStatisticsResponse{
+		TotalCount: total,
+		Trend:      trend,
+	}, nil
+}
+
 func (s *super) ListOrders(ctx context.Context, filter *super_dto.SuperOrderListFilter) (*requests.Pager, error) {
 	tbl, q := models.OrderQuery.QueryContext(ctx)
 

backend/docs/docs.go

@@ -167,6 +167,29 @@ const docTemplate = `{
                 }
             }
         },
+        "/super/v1/contents/statistics": {
+            "get": {
+                "description": "Content statistics",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Content"
+                ],
+                "summary": "Content statistics",
+                "responses": {
+                    "200": {
+                        "description": "OK",
+                        "schema": {
+                            "$ref": "#/definitions/dto.SuperContentStatisticsResponse"
+                        }
+                    }
+                }
+            }
+        },
         "/super/v1/contents/{id}/review": {
             "post": {
                 "description": "Review content",
@@ -6374,6 +6397,22 @@ const docTemplate = `{
                 }
             }
         },
+        "dto.SuperContentStatisticsResponse": {
+            "type": "object",
+            "properties": {
+                "total_count": {
+                    "description": "TotalCount 内容总量。",
+                    "type": "integer"
+                },
+                "trend": {
+                    "description": "Trend 按天新增内容趋势。",
+                    "type": "array",
+                    "items": {
+                        "$ref": "#/definitions/dto.SuperContentTrendItem"
+                    }
+                }
+            }
+        },
         "dto.SuperContentTenantLite": {
             "type": "object",
             "properties": {
@@ -6391,6 +6430,19 @@ const docTemplate = `{
                 }
             }
         },
+        "dto.SuperContentTrendItem": {
+            "type": "object",
+            "properties": {
+                "created_count": {
+                    "description": "CreatedCount 当日新增内容数量。",
+                    "type": "integer"
+                },
+                "date": {
+                    "description": "Date 日期（YYYY-MM-DD）。",
+                    "type": "string"
+                }
+            }
+        },
         "dto.SuperCouponGrantItem": {
             "type": "object",
             "properties": {

backend/docs/swagger.json

@@ -161,6 +161,29 @@
                 }
             }
         },
+        "/super/v1/contents/statistics": {
+            "get": {
+                "description": "Content statistics",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Content"
+                ],
+                "summary": "Content statistics",
+                "responses": {
+                    "200": {
+                        "description": "OK",
+                        "schema": {
+                            "$ref": "#/definitions/dto.SuperContentStatisticsResponse"
+                        }
+                    }
+                }
+            }
+        },
         "/super/v1/contents/{id}/review": {
             "post": {
                 "description": "Review content",
@@ -6368,6 +6391,22 @@
                 }
             }
         },
+        "dto.SuperContentStatisticsResponse": {
+            "type": "object",
+            "properties": {
+                "total_count": {
+                    "description": "TotalCount 内容总量。",
+                    "type": "integer"
+                },
+                "trend": {
+                    "description": "Trend 按天新增内容趋势。",
+                    "type": "array",
+                    "items": {
+                        "$ref": "#/definitions/dto.SuperContentTrendItem"
+                    }
+                }
+            }
+        },
         "dto.SuperContentTenantLite": {
             "type": "object",
             "properties": {
@@ -6385,6 +6424,19 @@
                 }
             }
         },
+        "dto.SuperContentTrendItem": {
+            "type": "object",
+            "properties": {
+                "created_count": {
+                    "description": "CreatedCount 当日新增内容数量。",
+                    "type": "integer"
+                },
+                "date": {
+                    "description": "Date 日期（YYYY-MM-DD）。",
+                    "type": "string"
+                }
+            }
+        },
         "dto.SuperCouponGrantItem": {
             "type": "object",
             "properties": {

backend/docs/swagger.yaml

@@ -1048,6 +1048,17 @@ definitions:
     required:
     - action
     type: object
+  dto.SuperContentStatisticsResponse:
+    properties:
+      total_count:
+        description: TotalCount 内容总量。
+        type: integer
+      trend:
+        description: Trend 按天新增内容趋势。
+        items:
+          $ref: '#/definitions/dto.SuperContentTrendItem'
+        type: array
+    type: object
   dto.SuperContentTenantLite:
     properties:
       code:
@@ -1060,6 +1071,15 @@ definitions:
         description: Name 租户名称。
         type: string
     type: object
+  dto.SuperContentTrendItem:
+    properties:
+      created_count:
+        description: CreatedCount 当日新增内容数量。
+        type: integer
+      date:
+        description: Date 日期（YYYY-MM-DD）。
+        type: string
+    type: object
   dto.SuperCouponGrantItem:
     properties:
       coupon_id:
@@ -2500,6 +2520,21 @@ paths:
       summary: Batch review contents
       tags:
       - Content
+  /super/v1/contents/statistics:
+    get:
+      consumes:
+      - application/json
+      description: Content statistics
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            $ref: '#/definitions/dto.SuperContentStatisticsResponse'
+      summary: Content statistics
+      tags:
+      - Content
   /super/v1/coupon-grants:
     get:
       consumes:

docs/superadmin_progress.md

@@ -4,8 +4,8 @@
 
 ## 1) 总体结论
 
-- **已落地**：登录、租户/用户/订单/内容基础管理、内容审核（含批量）、提现审核、报表概览与导出、用户钱包/通知/优惠券/实名/充值记录视图、创作者申请/成员审核/邀请、优惠券创建/编辑/发放/冻结/发放记录。
+- **已落地**：登录、租户/用户/订单/内容基础管理、内容审核（含批量）、平台概览（内容趋势/退款率/漏斗）、提现审核、报表概览与导出、用户钱包/通知/优惠券/实名/充值记录视图、创作者申请/成员审核/邀请、优惠券创建/编辑/发放/冻结/发放记录。
-- **部分落地**：平台概览（缺内容统计/趋势、退款率/漏斗）、租户详情（缺财务/报表聚合）、内容治理（缺评论/举报）、创作者治理（缺提现审核联动与结算账户审批流）、财务（缺钱包流水/异常排查）。
+- **部分落地**：租户详情（缺财务/报表聚合）、内容治理（缺评论/举报）、创作者治理（缺提现审核联动与结算账户审批流）、财务（缺钱包流水/异常排查）、报表（缺提现/内容深度指标与钻取）。
 - **未落地**：资产治理、通知中心、审计与系统配置类能力。
 
 ## 2) 按页面完成度（对照 2.x）
@@ -16,9 +16,9 @@
 - 缺口：无显著功能缺口。
 
 ### 2.2 平台概览 `/`
-- 状态：**部分完成**
+- 状态：**已完成**
-- 已有：用户统计、订单统计、租户总数（来自租户列表分页）。
+- 已有：用户统计、订单统计、租户总数、内容总量与趋势、退款率与订单漏斗。
-- 缺口：平台级内容总量、趋势图、退款率/订单漏斗等运营指标未落地。
+- 缺口：无显著功能缺口。
 
 ### 2.3 租户管理 `/superadmin/tenants`
 - 状态：**已完成**
@@ -87,7 +87,7 @@
 
 ## 4) 建议的下一步（按优先级）
 
-1. **平台概览增强**：补齐内容总量与趋势、退款率、订单漏斗等核心指标。
+1. **资产与通知中心**：补齐资产治理与通知中心接口/页面，形成治理闭环。
-2. **资产与通知中心**：补齐资产治理与通知中心接口/页面，形成治理闭环。
+2. **用户互动明细**：补齐收藏/点赞/关注等互动明细视图与聚合能力。
-3. **用户互动明细**：补齐收藏/点赞/关注等互动明细视图与聚合能力。
+3. **优惠券异常核查**：完善发放/核销异常监测与风控处理流程。
-4. **优惠券异常核查**：完善发放/核销异常监测与风控处理流程。
+4. **报表深化**：补齐提现/内容维度指标与多维钻取能力。

frontend/superadmin/src/service/ContentService.js

@@ -130,5 +130,21 @@ export const ContentService = {
                 reason
             }
         });
+    },
+    async getContentStatistics({ tenant_id, start_at, end_at, granularity } = {}) {
+        const iso = (d) => {
+            if (!d) return undefined;
+            const date = d instanceof Date ? d : new Date(d);
+            if (Number.isNaN(date.getTime())) return undefined;
+            return date.toISOString();
+        };
+
+        const query = {
+            tenant_id,
+            start_at: iso(start_at),
+            end_at: iso(end_at),
+            granularity
+        };
+        return requestJson('/super/v1/contents/statistics', { query });
     }
 };

frontend/superadmin/src/views/Dashboard.vue

@@ -1,12 +1,16 @@
 <script setup>
 import StatisticsStrip from '@/components/StatisticsStrip.vue';
+import { useLayout } from '@/layout/composables/layout';
+import { ContentService } from '@/service/ContentService';
 import { OrderService } from '@/service/OrderService';
+import { ReportService } from '@/service/ReportService';
 import { TenantService } from '@/service/TenantService';
 import { UserService } from '@/service/UserService';
 import { useToast } from 'primevue/usetoast';
-import { computed, onMounted, ref } from 'vue';
+import { computed, onMounted, ref, watch } from 'vue';
 
 const toast = useToast();
+const { getPrimary, getSurface, isDarkTheme } = useLayout();
 
 const tenantTotal = ref(null);
 const tenantLoading = ref(false);
@@ -17,12 +21,25 @@ const statisticsLoading = ref(false);
 const orderStats = ref(null);
 const orderStatsLoading = ref(false);
 
+const contentStats = ref(null);
+const contentStatsLoading = ref(false);
+const contentTrendData = ref(null);
+const contentTrendOptions = ref(null);
+
+const reportOverview = ref(null);
+const reportLoading = ref(false);
+
 function formatCny(amountInCents) {
     const amount = Number(amountInCents) / 100;
     if (!Number.isFinite(amount)) return '-';
     return new Intl.NumberFormat('zh-CN', { style: 'currency', currency: 'CNY' }).format(amount);
 }
 
+function formatPercent(rate) {
+    if (!Number.isFinite(rate)) return '-';
+    return `${(rate * 100).toFixed(2)}%`;
+}
+
 const statisticsItems = computed(() => {
     const total = (statistics.value || []).reduce((sum, row) => sum + (Number(row?.count) || 0), 0);
     const statusIcon = (status) => {
@@ -89,6 +106,103 @@ const orderItems = computed(() => {
     ];
 });
 
+const orderFunnelItems = computed(() => {
+    const byStatus = new Map((orderStats.value?.by_status || []).map((row) => [row?.status, row]));
+    const getCount = (status) => byStatus.get(status)?.count ?? 0;
+
+    return [
+        { key: 'orders-created', label: '创建：', value: orderStatsLoading.value ? '-' : getCount('created'), icon: 'pi-file' },
+        { key: 'orders-paid-funnel', label: '已支付：', value: orderStatsLoading.value ? '-' : getCount('paid'), icon: 'pi-check-circle' },
+        { key: 'orders-refunding-funnel', label: '退款中：', value: orderStatsLoading.value ? '-' : getCount('refunding'), icon: 'pi-spin pi-spinner' },
+        { key: 'orders-refunded-funnel', label: '已退款：', value: orderStatsLoading.value ? '-' : getCount('refunded'), icon: 'pi-undo' }
+    ];
+});
+
+const contentItems = computed(() => {
+    const trend = contentStats.value?.trend || [];
+    const recentCreated = trend.reduce((sum, item) => sum + (Number(item?.created_count) || 0), 0);
+    return [
+        { key: 'contents-total', label: '内容总量：', value: contentStatsLoading.value ? '-' : (contentStats.value?.total_count ?? 0), icon: 'pi-book' },
+        { key: 'contents-recent', label: '近7日新增：', value: contentStatsLoading.value ? '-' : recentCreated, icon: 'pi-chart-line' }
+    ];
+});
+
+const refundRateText = computed(() => {
+    if (reportLoading.value) return '-';
+    const summary = reportOverview.value?.summary;
+    const paidOrders = Number(summary?.paid_orders ?? 0);
+    const refundOrders = Number(summary?.refund_orders ?? 0);
+    const denominator = paidOrders + refundOrders;
+    if (!denominator) return '0%';
+    return formatPercent(refundOrders / denominator);
+});
+
+function buildContentChartData(items) {
+    const documentStyle = getComputedStyle(document.documentElement);
+    const labels = items.map((item) => item?.date ?? '-');
+    const counts = items.map((item) => Number(item?.created_count ?? 0));
+
+    return {
+        labels,
+        datasets: [
+            {
+                label: '新增内容',
+                data: counts,
+                fill: true,
+                backgroundColor: documentStyle.getPropertyValue('--p-primary-200'),
+                borderColor: documentStyle.getPropertyValue('--p-primary-500'),
+                tension: 0.35
+            }
+        ]
+    };
+}
+
+function buildChartOptions() {
+    const documentStyle = getComputedStyle(document.documentElement);
+    const textColor = documentStyle.getPropertyValue('--text-color');
+    const textMutedColor = documentStyle.getPropertyValue('--text-color-secondary');
+    const borderColor = documentStyle.getPropertyValue('--surface-border');
+
+    return {
+        maintainAspectRatio: false,
+        aspectRatio: 2.2,
+        plugins: {
+            legend: {
+                labels: {
+                    color: textColor
+                }
+            }
+        },
+        scales: {
+            x: {
+                ticks: {
+                    color: textMutedColor
+                },
+                grid: {
+                    color: 'transparent',
+                    borderColor: 'transparent'
+                }
+            },
+            y: {
+                ticks: {
+                    color: textMutedColor
+                },
+                grid: {
+                    color: borderColor,
+                    borderColor: 'transparent',
+                    drawTicks: false
+                }
+            }
+        }
+    };
+}
+
+function updateContentChart() {
+    const items = contentStats.value?.trend ?? [];
+    contentTrendData.value = buildContentChartData(items);
+    contentTrendOptions.value = buildChartOptions();
+}
+
 async function loadTenantTotal() {
     tenantLoading.value = true;
     try {
@@ -123,10 +237,39 @@ async function loadOrderStatistics() {
     }
 }
 
+async function loadContentStatistics() {
+    contentStatsLoading.value = true;
+    try {
+        contentStats.value = await ContentService.getContentStatistics({ granularity: 'day' });
+        updateContentChart();
+    } catch (error) {
+        toast.add({ severity: 'error', summary: '加载失败', detail: error?.message || '无法加载内容统计信息', life: 4000 });
+    } finally {
+        contentStatsLoading.value = false;
+    }
+}
+
+async function loadReportOverview() {
+    reportLoading.value = true;
+    try {
+        reportOverview.value = await ReportService.getOverview({ granularity: 'day' });
+    } catch (error) {
+        toast.add({ severity: 'error', summary: '加载失败', detail: error?.message || '无法加载报表指标', life: 4000 });
+    } finally {
+        reportLoading.value = false;
+    }
+}
+
 onMounted(() => {
     loadTenantTotal();
     loadStatistics();
     loadOrderStatistics();
+    loadContentStatistics();
+    loadReportOverview();
+});
+
+watch([getPrimary, getSurface, isDarkTheme], () => {
+    updateContentChart();
 });
 </script>
 
@@ -136,6 +279,32 @@ onMounted(() => {
         <StatisticsStrip :items="orderItems" containerClass="card mb-4" />
         <StatisticsStrip :items="statisticsItems" containerClass="card mb-4" />
 
+        <div class="grid">
+            <div class="col-12 xl:col-7">
+                <div class="card">
+                    <div class="flex items-center justify-between mb-4">
+                        <div>
+                            <h4 class="m-0">内容趋势</h4>
+                            <div class="text-sm text-muted-color">近7日</div>
+                        </div>
+                    </div>
+                    <StatisticsStrip :items="contentItems" containerClass="p-0 mb-4" />
+                    <Chart v-if="contentTrendData" type="line" :data="contentTrendData" :options="contentTrendOptions" class="h-72" />
+                </div>
+            </div>
+            <div class="col-12 xl:col-5">
+                <div class="card">
+                    <div class="flex items-center justify-between mb-4">
+                        <div>
+                            <h4 class="m-0">订单漏斗</h4>
+                            <div class="text-sm text-muted-color">近7日退款率：{{ refundRateText }}</div>
+                        </div>
+                    </div>
+                    <StatisticsStrip :items="orderFunnelItems" containerClass="p-0" />
+                </div>
+            </div>
+        </div>
+
         <div class="card">
             <div class="flex items-center justify-between mb-4">
                 <h4 class="m-0">快捷入口</h4>