$list = Db::name('information')->field('information_id,create_time,title')->order('create_time desc')->paginate($num,false, ['page' => $page]);
$quan_to_array = $list->toArray();
foreach ($quan_to_array['data'] as $key => $value) {
$quan_to_array['data'][$key]['create_time']=date('Y.m.d',$value['create_time']);
}
$data['data'] = $quan_to_array;
查出来后是对象,要先用toArray()方法转数组,另外一个变量接,然后再遍历更改里面的字段