多人炸金花游戏： 使用面向对象的思想处理游戏，过程中使用了生产者和消费者模式来构建多线程，配合mutex锁，条件变量实现服务器的高并发。(Many people fry golden flower game: The use of object-oriented thinking to deal with the game, the process uses the producer and consumer models to build multi-threaded, with mute