#鸿蒙通关秘籍#如何在鸿蒙视频播放器中实现手动切换视频的功能？

import media from '@ohos.multimedia.media'

export class VideoAVPlayerClass {
  static player: media.AVPlayer | null = null
  static duration: number = 0
  static time: number = 0
  static isPlay: boolean = false
  static playList: videoItemType[] = []
  static playIndex: number = 0
  static surfaceId: string = ''

  static singlePlay(video?: videoItemType) {
    if (video) {
      let index = VideoAVPlayerClass.playList.findIndex((item: videoItemType) => item.id === video.id)
      if (index > -1) {
        VideoAVPlayerClass.playIndex = index
      } else {
        VideoAVPlayerClass.playList.push(video)
        VideoAVPlayerClass.playIndex = VideoAVPlayerClass.playList.length - 1
      }
    }
    VideoAVPlayerClass.changePlay()
  }

  static async changePlay() {
    await VideoAVPlayerClass.avPlayer.reset()
    VideoAVPlayerClass.time = 0
    VideoAVPlayerClass.duration = 0
    VideoAVPlayerClass.avPlayer.url = VideoAVPlayerClass.playList[VideoAVPlayerClass.playIndex].url
    VideoAVPlayerClass.updateState()
  }
}
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