using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace Epost.Common
{
   public class ConvertHexHelper
    {

        public static string ConvertString(string value, int fromBase, int toBase)
        {
            try
            {
                int intValue = Convert.ToInt32(value, fromBase);
                return Convert.ToString(intValue, toBase).ToUpper();
            }
            catch (Exception e)
            {
                LogHelper.WriteLogInfo("转换进制报错："+e.Message+"初始值："+value);
                //throw;
                return value;

            }

        }
        /// <summary>
        /// 验证字符串是否是数字
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static bool IsNum(string str)
        {
            Regex r = new Regex(@"^[+-]?\d*(,\d{3})*(\.\d+)?$");
            if (r.IsMatch(str))
            {
                return true;
            }
            return false;
        }
    }
}