channel.queueDeclare(queueName, true, true, true, null);
@param queue the name of the queue@param durable true if we are declaring a durable queue (the queue will survive a server restart) 服务器重启@param exclusive true if we are declaring an exclusive queue (restricted to this connection) 一个queue能不能有多个消费者@param autoDelete true if we are declaring an autodelete queue (server will delete it when no longer in use) 如果一个queue的全部消费者都挂了 @param arguments other properties (construction arguments) for the queue@return a declaration-confirm method to indicate the queue was successfully declared