随机选择歌曲/ Swift

struct Song {
    var name: String
    var artist: String
    var duration: Int
}

var songList = [Song]()
songList.append(Song(name: "Song 1", artist: "Artist 1", duration: 180))
songList.append(Song(name: "Song 2", artist: "Artist 2", duration: 200))
songList.append(Song(name: "Song 3", artist: "Artist 3", duration: 220))
// 添加更多歌曲...

func randomSong() -> Song? {
    guard !songList.isEmpty else {
        return nil
    }
    
    let randomIndex = Int.random(in: 0..<songList.count)
    return songList[randomIndex]
}

if let randomSong = randomSong() {
    print("随机选择的歌曲是：\(randomSong.name) - \(randomSong.artist)")
    // 进行播放操作...
} else {
    print("歌曲列表为空，无法随机选择歌曲。")
}