update

application/index/model/questionbankmodel.php

@@ -14,4 +14,9 @@ class questionbankmodel extends Model {
         $list = $this->where([])->order("sort asc")->select();
         return $list;
     }
+    public function getinfobyid($id) {
+        $where_arr['id'] = $id;
+        $rec = $this->where($where_arr)->find();
+        return $rec;
+    }
 }