用java实现在同一个局域网内的各个主机上运行后，各个主机之间构成一个环状网络，多条游鱼可以在这个环状网络的公共水池中连续自由游动。内涵源码-Use Java in the same local area network realization of each host after the operation, between each host form a ring network, the more fish in this ring network can public pools in