唔，直接丢在一个公共的静态类就可以了

QDebug：https://blog.csdn.net/qq_17813937/article/details/79801371

QFileOperation:https://blog.csdn.net/qq_17813937/article/details/81190245

    /// <summary>
    /// 截屏
    /// </summary>
    /// <param name="action"></param>
    public static void CaptureScreenshot(Action action)
    {
        QCoroutine.Start(CaptureScreenshotIEnumerator(action));
    }

    private static IEnumerator CaptureScreenshotIEnumerator(Action action)
    {
        var screenshotPath = Application.persistentDataPath + "/Screenshot.jpg";
        QFileOperation.DeleteFile(screenshotPath);

        ScreenCapture.CaptureScreenshot("Screenshot.jpg");

        yield return new WaitForSeconds(1f);

#if UNITY_ANDROID || UNITY_IPHONE
        //添加到相册
        string path = Application.persistentDataPath.Substring(0, Application.persistentDataPath.IndexOf("Android"));
        path += "DCIM/Camera";
        QFileOperation.CreateDirctory(path);
        
        var filePath = string.Format("{0}/{1}.jpg", path, QGlobalFun.GetCurTime());
        var texture = QFileOperation.ReadTexture2D(screenshotPath);
        QDebug.Log("读取图片");
        QFileOperation.WriteBytes(filePath, texture.EncodeToJPG());
        QDebug.Log("写入相册 "+filePath);
        QGlobalFun.ScanFile(new string[] { filePath });
        QDebug.Log("刷新相册");
        GameObject.Destroy(texture);
        QFileOperation.DeleteFile(screenshotPath);
#else

#endif
        action();
    }