如果你正在使用
MongoDB driver
与
MongoDB PHP library
require 'vendor/autoload.php'; // include Composer's autoloader
$client = new MongoDB\Client("mongodb://localhost:27017");
$result = $client->your_database_name->SoManySins->find(array(),array('projection' =>array('_id'=>FALSE,'FactoryCapacity' => TRUE)));
foreach ($result as $entry){
echo "<pre>";
print_r($entry);
echo "</pre>";
}
