Create reference.md

Author: Dylan-Chang

reference.md

@@ -0,0 +1,36 @@
+因为要用到递归，所以变量加了&
+            
+               public function index(){
+            $arr = array();
+            $item = Department::where('id','=',1)->first();
+            /*
+            $arr['id'] = $item->id;
+            $arr['uuid'] = $item->uuid;
+            $arr['title'] = $item->title;
+            $arr['description'] = $item->description;
+            $data = $this->children($arr);
+            */
+            return view('department.index', ['department' => $item]);
+        }
+
+/*
+        public function children(&$data){
+            $childrenData = Department::where('parent','=',$data['uuid'])->get();
+
+            if($childrenData){
+                $i = 0;
+                foreach ($childrenData as $v){
+                    //递归加入子项
+                    $data['children'][$i]['id'] = $v->id;
+                    $data['children'][$i]['uuid'] = $v->uuid;
+                    $data['children'][$i]['title'] = $v->title;
+                    $data['children'][$i]['description'] = $v->description;
+
+                    $this->children($data['children'][$i]);
+                    $i++;
+                }
+
+            }
+            return $data;
+        }*/
+