## 示例： ```php namespace app\demo\controller; use yunj\Controller; use yunj\enum\DbRowState; class Example extends Controller{ // 列表 public function lists(){ // 配置详见表格构建器 $builder=YT('general_example') ->state(DbRowState::state()) ->filter(Callable $handle) ->toolbar(Callable $handle) ->defaultToolbar(Callable $handle) ->cols(Callable $handle) ->count(Callable $handle) ->items(Callable $handle) ->event(Callable $handle) ->import(Callable $handle) ->assign($this); $this->fetch(); } } ```