model()->orderByDesc('id'); $helper->columnId(); $grid->column('level1', '来源类型')->label('primary'); $grid->column('message', '日志消息')->limit(80); $grid->column('data1', '数据')->display(function ($value) { if (empty($value)) { return '-'; } // 尝试解析JSON数据 $decoded = json_decode($value, true); if (json_last_error() === JSON_ERROR_NONE && is_array($decoded)) { return json_encode($decoded, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT); } return $value; })->limit(50); $helper->columnCreatedAt(); // 禁用创建按钮 $grid->disableCreateButton(); // 禁用编辑和删除按钮 $grid->actions(function (Grid\Displayers\Actions $actions) { $actions->disableEdit(); $actions->disableDelete(); }); // 筛选器 $grid->filter(function (Grid\Filter $filter) { $helper = new FilterHelper($filter, $this); $helper->equalId(); $filter->equal('level1', '来源类型'); $filter->like('message', '日志消息'); $helper->betweenDatetime('created_at', '创建时间'); }); }); } /** * 详情页面 * * @param mixed $id * @return Show */ protected function detail($id) { return Show::make($id, new SystemLog(), function (Show $show) { $show->field('id', 'ID'); $show->field('level1', '来源类型'); $show->field('message', '日志消息'); $show->field('data1', '数据')->as(function ($value) { if (empty($value)) { return '-'; } // 尝试解析JSON数据并格式化显示 $decoded = json_decode($value, true); if (json_last_error() === JSON_ERROR_NONE && is_array($decoded)) { return '

' . json_encode($decoded, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT) . '

'; } return $value; }); $show->field('created_at', '创建时间'); }); } }