仪表盘功能完善

backend-single/src/main/java/com/emotion/controller/AdminController.java

@@ -14,6 +14,7 @@ import io.swagger.v3.oas.annotations.tags.Tag;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
+import java.util.List;
 
 /**
  * 管理员控制器
@@ -143,4 +144,26 @@ public class AdminController {
         DashboardStatsResponse.SystemStats systemStats = dashboardService.getSystemStats();
         return Result.success("获取成功", systemStats);
     }
+
+    /**
+     * 获取用户增长趋势数据
+     */
+    @Operation(summary = "获取用户增长趋势数据", description = "获取指定天数的用户增长趋势数据")
+    @GetMapping("/dashboard/user-growth-trends")
+    public Result<List<DashboardStatsResponse.UserGrowthTrend>> getUserGrowthTrends(
+            @RequestParam(defaultValue = "7") int days) {
+        List<DashboardStatsResponse.UserGrowthTrend> trends = dashboardService.getUserGrowthTrends(days);
+        return Result.success("获取成功", trends);
+    }
+
+    /**
+     * 获取最近登录用户
+     */
+    @Operation(summary = "获取最近登录用户", description = "获取最近登录的用户列表")
+    @GetMapping("/dashboard/recent-logins")
+    public Result<List<DashboardStatsResponse.RecentLogin>> getRecentLogins(
+            @RequestParam(defaultValue = "10") int limit) {
+        List<DashboardStatsResponse.RecentLogin> recentLogins = dashboardService.getRecentLogins(limit);
+        return Result.success("获取成功", recentLogins);
+    }
 }