/// <summary>
/// 操作订单（接单，退款等），即改变订单的状态
/// </summary>
/// <param name="sellerAccount"></param>
/// <param name="orderId"></param>
/// <param name="state"></param>
/// <returns></returns>
public bool changeOrderOperator(string sellerAccount, int orderId, string state)
{
return(db.orderOperator(sellerAccount, orderId, state));
}