网络乐库那块连接的是内网，所以没法展示，只是实现了整个播放器的一部分功能，没实现完全，不过基本功能都实现了(The piece is connected to the Network Library Intranet, so I can not show, is the realization of the function of the whole part of the player, not complete, but the basic functions are realized)