public function extractData()
{
$gifts = Gift::all();
//礼品
$topics = Topic::all();
// 话题
$gift_posters = GiftPoster::all();
//礼品海报
$gift_photo_intros = GiftPhotoIntro::all();
//图文介绍
// fwrite(fopen(app_path().'\storage\mysq.txt', 'w'), 'man');
file_put_contents(app_path() . '/storage/gifts.txt', json_encode($gifts));
file_put_contents(app_path() . '/storage/topics.txt', json_encode($topics));
file_put_contents(app_path() . '/storage/gift_posters.txt', json_encode($gift_posters));
file_put_contents(app_path() . '/storage/gift_photo_intros.txt', json_encode($gift_photo_intros));
return 0;
}
