### laravel 删除mongodb集合 ~~~ $res= DB::connection('mongodb')->getMongoClient()->库名->集合名->drop(); // 如 $res= DB::connection('mongodb')->getMongoClient()->shop->order->drop(); dd($res); $collection = (new MongoDB\Client)->库名->集合名; $collection->drop(); ~~~ ### 查询出所有集合 ~~~ $interator = DB::connection('mongodb')->listCollections(); $collections = []; foreach ($interator as $coll) { array_push($collections, $coll->getName()); } dd($collections); ~~~