ump_player在线直播播放器封装,可以支持加载在线直播流
https://github.com/Mrxdh/EveryExercise/blob/master/ump_player%E5%9C%A8%E7%BA%BF%E7%9B%B4%E6%92%AD%E6%92%AD%E6%94%BE%E5%99%A8.js