hextoten.cs

独立完成考勤管理软件加打卡系统（C＃） 是打卡加管理系统软件

using System;

namespace WindowsApplication.HexToTen
{
	/// <summary>
	/// HexToTen 的摘要说明。
	/// </summary>
	public class HexToTen
	{
		public HexToTen()
		{
			
		}
		public static string Hex2Ten(string hex)
		{
			int ten = 0;
			for (int i=0,j=hex.Length-1 ; i<hex.Length ; i++)
			{
				ten += HexChar2Value(hex.Substring(i,1)) * ((int)Math.Pow(16,j));
				j--;
			}
			return ten.ToString();
		}

		public static int HexChar2Value(string hexChar)
		{
			switch (hexChar)
			{
				case "0":
				case "1":
				case "2":
				case "3":
				case "4":
				case "5":
				case "6":
				case "7":
				case "8":
				case "9":
					return Convert.ToInt32(hexChar);
				case "a":
				case "A":
					return 10;
				case "b":
				case "B":
					return 11;
				case "c":
				case "C":
					return 12;
				case "d":
				case "D":
					return 13;
				case "e":
				case "E":
					return 14;
				case "f":
				case "F":
					return 15;
				default:
					return 0;
			}
		}
	}
}