/// <summary>
    /// 判断字符串是否为数字
    /// </summary>
    /// <param namee="value"></param>
    /// <returns></returns>
    public static bool IsInt(string value)
    {
        //命名空间using System.Text.RegularExpressions;
        return Regex.IsMatch(value, @"^[0-9]*[1-9][0-9]*$");
    }