QiFeng.ZWY.Utility/DataHelper/HexCodeHelper.cs

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

namespace QiFeng.LMSD.Utility
{
    public class HexCodeHelper
    {
        /// <summary>
        /// 从汉字转换到16进制
        /// </summary>
        /// <param name="s"></param>
        /// <param name="charset">编码,如"utf-8","gb2312"</param>
        /// <param name="fenge">是否每字符用逗号分隔</param>
        /// <returns></returns>
        public static string ToHex(string s, string charset, bool isSplit, string splitChar)
        {
            if ((s.Length%2) != 0)
            {
                s += " "; //空格
            }

            System.Text.Encoding chs = System.Text.Encoding.GetEncoding(charset);

            byte[] bytes = chs.GetBytes(s);
            string str = string.Empty;
            for (int i = 0; i < bytes.Length; i++)
            {
                str += string.Format("{0:X}", bytes[i]);
                if (isSplit && (i != bytes.Length - 1))
                {
                    str += string.Format("{0}", splitChar);
                }
            }

            return str.ToLower();
        }

        /// <summary>
        /// 从16进制转换成汉字
        /// </summary>
        /// <param name="hex"></param>
        /// <param name="charset">编码,如"utf-8","gb2312"</param>
        /// <returns></returns>
        public static string UnHex(string hex, string charset)
        {
            if (hex == null)
                throw new ArgumentNullException("hex");
            hex = hex.Replace(",", "");
            hex = hex.Replace("\n", "");
            hex = hex.Replace("\\", "");
            hex = hex.Replace(" ", "");
            if (hex.Length%2 != 0)
            {
                hex += "20"; //空格
                //throw new ArgumentException("hex is not a valid number!", "hex");
            }