/// <summary>
/// 返回一个当前日期加1000以内的随机数的字符串
/// [主要用于引用文件的强制不进行缓存]
/// </summary>
/// <returns>结果</returns>
public string GetStringDatePlusRandom()
{
DateTime now = DateTime.Now;
return(ConvertTool.CombinationContent(now.Year, now.Second, RandomData.GetInt(now.Millisecond)));
}