增加周榜，月榜，日榜搜索和批量下载

ui/src/services/ranking.ts

@@ -0,0 +1,35 @@
+import api from './api';
+
+export interface RankingParams {
+  mode: 'day' | 'week' | 'month';
+  type: 'art' | 'manga' | 'novel';
+  offset?: number;
+  limit?: number;
+}
+
+export interface RankingResponse {
+  artworks: any[];
+  next_url?: string;
+}
+
+class RankingService {
+  /**
+   * 获取排行榜数据
+   */
+  async getRanking(params: RankingParams) {
+    try {
+      const response = await api.get('/api/ranking', { params });
+      return {
+        success: true,
+        data: response.data
+      };
+    } catch (error: any) {
+      return {
+        success: false,
+        error: error.response?.data?.error || error.message || '获取排行榜失败'
+      };
+    }
+  }
+}
+
+export default new RankingService();