产品

@@ -10,12 +10,27 @@ class CoaController extends AdminBaseController{
   //说明文献显示
   public function index(){
 
-
+    $data = Db::name('portal_category') -> select();
+    $shuju = $this -> wuxian($data);
+    dump($shuju);die;
     return $this -> fetch();
 
 
   }
 
+  public function wuxian($data,$pid=12){
+
+    static $arr = [];
+    foreach ($data as $key => $value) {
+      if($value['parent_id'] == $pid){
+        $arr[] = $value;
+        $this -> wuxian($data,$value['id']);
+      }
+    }
+    return $arr;
+
+  }
+