页面样式，svg

schoolNewsWeb/src/apis/system/overview.ts

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+/**
+ * @description 系统总览相关API
+ */
+
+import { api } from '@/apis/index';
+import type { ResultDomain } from '@/types';
+
+export interface SystemStatisticsDTO {
+  totalUsers: number;
+  totalUsersChange: string;
+  totalResources: number;
+  totalResourcesChange: string;
+  todayVisits: number;
+  todayVisitsChange: string;
+  activeUsers: number;
+  activeUsersChange: string;
+}
+
+export interface ActiveUsersChartDTO {
+  labels: string[];
+  values: number[];
+}
+
+export interface ResourceCategoryItemDTO {
+  name: string;
+  value: number;
+}
+
+export interface ResourceCategoryStatsDTO {
+  items: ResourceCategoryItemDTO[];
+}
+
+export interface TodayVisitsDTO {
+  uv: number;
+  pv: number;
+  avgVisitDuration: string;
+  bounceRate: string;
+}
+
+export const systemOverviewApi = {
+  async getStatistics(): Promise<ResultDomain<SystemStatisticsDTO>> {
+    const response = await api.get<SystemStatisticsDTO>('/system/overview/statistics');
+    return response.data;
+  },
+
+  async getActiveUsersChart(start: string, end: string): Promise<ResultDomain<ActiveUsersChartDTO>> {
+    const response = await api.get<ActiveUsersChartDTO>('/system/overview/active-users', { start, end });
+    return response.data;
+  },
+
+  async getResourceCategoryStats(): Promise<ResultDomain<ResourceCategoryStatsDTO>> {
+    const response = await api.get<ResourceCategoryStatsDTO>('/system/overview/resource-category-stats');
+    return response.data;
+  },
+
+  async getTodayVisits(): Promise<ResultDomain<TodayVisitsDTO>> {
+    const response = await api.get<TodayVisitsDTO>('/system/overview/today-visits');
+    return response.data;
+  }
+};