/// <summary>
    /// 截屏
    /// 缺点：此方法截屏时会卡顿
    /// </summary>
    public static string CaptureScreenshot(string imageName = null)
    {
        if (string.IsNullOrEmpty(imageName))
            imageName = "screenshot";
        Application.CaptureScreenshot(imageName + ".png");
        return GetCaptureScreenshotPath(imageName);
    }

/// <summary>
/// 截屏
/// </summary>
public static IEnumerator CaptureScreenshot(string filePath, Action<string, Texture2D> callback = null)
{
	Rect rect = new Rect();
	rect.width = Screen.width;
	rect.height = Screen.height;
	//等待渲染线程结束
	yield return new WaitForEndOfFrame();
	Texture2D texture = new Texture2D((int)rect.width, (int)rect.height, TextureFormat.RGB24, false);
	//读取屏幕像素
	texture.ReadPixels(rect, 0, 0);
	//应用
	texture.Apply();
	//保存纹理
	byte[] bytes = null;
	if (filePath.EndsWith(".png"))
	{
		bytes = texture.EncodeToPNG();
	}
	else if (filePath.EndsWith(".jpg"))
	{
		bytes = texture.EncodeToJPG();
	}
	else
	{
		if (!Directory.Exists(filePath))
			Directory.CreateDirectory(filePath);
		filePath += "/screenshot_" + DateTime.Now.ToFileTime() + ".jpg";
		bytes = texture.EncodeToJPG();
	}
	File.WriteAllBytes(filePath, bytes);
	callback?.Invoke(filePath, texture);
	yield return texture;
}

    // 获取相册路径
    public static string GetAlbumPath()
    {
        string path = Application.persistentDataPath;
        path = path.Substring(0, path.IndexOf("Android/data/"));
        path += "DCIM";
        return path;
    }

    /// <summary>
    /// 获取通过Application.CaptureScreenshot("xxx.png")截屏文件路径
    /// </summary>
    /// <param name="imageName">图片名</param>
    /// <returns></returns>
    public static string GetCaptureScreenshotPath(string imageName)
    {
        string imagePath = Application.dataPath;
        if(Application.platform == RuntimePlatform.Android)
            imagePath = Application.persistentDataPath;
        else if (Application.platform == RuntimePlatform.IPhonePlayer || Application.platform == RuntimePlatform.OSXEditor || Application.platform == RuntimePlatform.OSXPlayer)
            imagePath = string.Format("file://{0}", Application.persistentDataPath);
        else if (Application.platform == RuntimePlatform.WindowsPlayer)
            imagePath = Application.dataPath;
        else if (Application.platform == RuntimePlatform.WindowsEditor)
            imagePath = imagePath.Replace("/Assets", "");
        return string.Format("{0}/{1}.png", imagePath, imageName);
    }