laravel-admin select框默认选中的方法_php实例_

 protected function form() { return Admin::form(Member::class, function (Form $form) { // $form->display('id', 'ID'); $form->text('mac', '终端mac'); $form->text('phone', '手机号'); $form->text('password', '密码'); //判断是不是edit $id = Request::route('member'); $place_id =''; $rule_id = ''; if ($id) { $model = $form->model()->find($id); $place_id = $model->place_id; $rule_id = $model->rule_id; } $form->select('place_id','所属场所')->options("/api/getPlace/$place_id"); $form->select('rule_id', '规则')->options("/api/getRule/$rule_id"); }); } //api的实现 public function getPlace(Request $request) { $name = $request->get('p'); $id = $request->id; $where = []; if ($name) { $where = ['name','like',"%$name%"]; } $places = Place::where($where)->get(); $result = []; foreach ($places as $key=>$value) { $result[$key]['id'] = $value->Id; $result[$key]['text'] = $value->name; if ($value->Id == $id) { $result[$key]['selected'] = true; } } if (!$id) { array_unshift($result,['id'=>' ','text'=>'请选择场所','selected'=>true]); }else{ array_unshift($result,['id'=>' ','text'=>'请选择场所']); } return response()->json($result); }