各进制间转化：2，8,10,16

  /// <summary>
  /// 各进制间转化：2，8,10,16
  /// </summary>
  /// <param name="intValue">要转化的值</param>
  /// <param name="fromBase">原进制</param>
  /// <param name="toBase">目标进制</param>
  /// <returns></returns>
  public int ConvertString(string intValue,int fromBase,int toBase){
   int a = Convert.ToInt32(intValue,fromBase);
   string b = Convert.ToString(a,toBase);
   return Convert.ToInt32(b);
  }