生成随机文件名

/// <summary>
/// 生成随机文件名
/// </summary>
/// <returns></returns>
private string RandName()
{
    Random random = new Random(DateTime.Now.Millisecond);
    string FileName = DateTime.Now.ToString("yyyyMMddHHmmss") + DateTime.Now.Millisecond.ToString("d3") + random.Next(int.MaxValue).ToString("d10");
    return FileName;
}