我想在我的网站上进行自定义搜索。这是MySQL搜索:SELECT*FROMMyDB.MyTableWHERE(idLIKE'%MySearch%'ORfirstnameLIKE'%MySearch%'ORlastnameLIKE'%MySearch%'ORemailLIKE'%MySearch%'ORaddressLIKE'%MySearch%');我怎样才能在我的LaravelController中进行搜索?$users=DB::table('MyTable')->where('firstname','MySearch')->get();MyLaravelController提前致谢