null, 'items' => [['sku' => '测试/1', 'qty' => 2, 'drop' => null]], 'empty' => '', 'bool' => true, 'access_token' => 'token', 'app_key' => 'ak_test123456789', 'timestamp' => 1720408272, ]; self::assertSame( 'mR8XKYkL8QUYDIJmM75XAl3JGPuuDvzjsyr6LZ5nWocwCpgLHg5dzZDMNuiTX/Va', (new Signer())->sign($parameters, 'ak_test123456789') ); } }