游戏-用户管理-优化表格和表单样式

app/admin/controller/game/Channel.php

@@ -32,6 +32,91 @@ class Channel extends Backend
         return null;
     }
 
+    /**
+     * 渠道-管理员树（父级=渠道，子级=管理员，仅可选择子级）
+     */
+    public function adminTree(WebmanRequest $request): Response
+    {
+        $response = $this->initializeBackend($request);
+        if ($response !== null) return $response;
+
+        $channels = Db::name('game_channel')
+            ->field(['id', 'name', 'admin_group_id'])
+            ->order('id', 'asc')
+            ->select()
+            ->toArray();
+
+        $groupChildrenCache = [];
+        $getGroupChildren = function ($groupId) use (&$getGroupChildren, &$groupChildrenCache) {
+            if ($groupId === null || $groupId === '') return [];
+            if (array_key_exists($groupId, $groupChildrenCache)) return $groupChildrenCache[$groupId];
+            $children = Db::name('admin_group')
+                ->where('pid', $groupId)
+                ->where('status', 1)
+                ->column('id');
+            $all = [];
+            foreach ($children as $cid) {
+                $all[] = $cid;
+                foreach ($getGroupChildren($cid) as $cc) {
+                    $all[] = $cc;
+                }
+            }
+            $groupChildrenCache[$groupId] = $all;
+            return $all;
+        };
+
+        $tree = [];
+        foreach ($channels as $ch) {
+            $groupId = $ch['admin_group_id'] ?? null;
+            $groupIds = [];
+            if ($groupId !== null && $groupId !== '') {
+                $groupIds[] = $groupId;
+                foreach ($getGroupChildren($groupId) as $gid) {
+                    $groupIds[] = $gid;
+                }
+            }
+
+            $adminIds = [];
+            if ($groupIds) {
+                $adminIds = Db::name('admin_group_access')
+                    ->where('group_id', 'in', array_unique($groupIds))
+                    ->column('uid');
+            }
+            $adminIds = array_values(array_unique($adminIds));
+
+            $admins = [];
+            if ($adminIds) {
+                $admins = Db::name('admin')
+                    ->field(['id', 'username'])
+                    ->where('id', 'in', $adminIds)
+                    ->order('id', 'asc')
+                    ->select()
+                    ->toArray();
+            }
+
+            $children = [];
+            foreach ($admins as $a) {
+                $children[] = [
+                    'value'      => (string) $a['id'],
+                    'label'      => $a['username'],
+                    'channel_id' => $ch['id'],
+                    'is_leaf'    => true,
+                ];
+            }
+
+            $tree[] = [
+                'value'    => 'channel_' . $ch['id'],
+                'label'    => $ch['name'],
+                'disabled' => true,
+                'children' => $children,
+            ];
+        }
+
+        return $this->success('', [
+            'list' => $tree,
+        ]);
+    }
+
     /**
      * 添加（重写：管理员只选顶级组；admin_group_id 后端自动写入）
      * @throws Throwable