C#获取YouTube视频的持续时间

using Google.Apis.Services;
using Google.Apis.YouTube.v3;

public class YouTubeVideo
{
    private YouTubeService youtubeService;

    public YouTubeVideo()
    {
        youtubeService = new YouTubeService(new BaseClientService.Initializer()
        {
            ApiKey = "YOUR_API_KEY" // 替换为你的YouTube Data API密钥
        });
    }

    public string GetVideoDuration(string videoId)
    {
        var videoRequest = youtubeService.Videos.List("contentDetails");
        videoRequest.Id = videoId;

        var videoResponse = videoRequest.Execute();
        var video = videoResponse.Items[0];

        var duration = video.ContentDetails.Duration;
        return duration;
    }
}