feat: 银行弹窗UI重构并增加存款排行榜功能

app/Http/Controllers/BankController.php

@@ -40,6 +40,39 @@ class BankController extends Controller
         ]);
     }
 
+    /**
+     * 查询银行存款排行榜 (分页显示)
+     */
+    public function ranking(Request $request): JsonResponse
+    {
+        $direction = strtolower($request->query('sort', 'desc')) === 'asc' ? 'asc' : 'desc';
+
+        $users = \App\Models\User::where('bank_jjb', '>', 0)
+            ->orderBy('bank_jjb', $direction)
+            ->paginate(20, ['id', 'username', 'bank_jjb', 'sex', 'usersf', 'user_level']);
+
+        return response()->json([
+            'status' => 'success',
+            'ranking' => $users->map(function ($u) {
+                // 提供必要的前端展示字段
+                return [
+                    'id' => $u->id,
+                    'username' => $u->username,
+                    'bank_jjb' => $u->bank_jjb,
+                    'sex' => $u->sex,
+                    'usersf' => $u->usersf,
+                    'user_level' => $u->user_level,
+                    'headfaceUrl' => $u->headfaceUrl,
+                ];
+            }),
+            'pagination' => [
+                'current_page' => $users->currentPage(),
+                'last_page' => $users->lastPage(),
+                'total' => $users->total(),
+            ],
+        ]);
+    }
+
     /**
      * 存款：从流通金币（jjb）转入银行（bank_jjb）
      *