DataUtil.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;

namespace IDCardNumberInterpreter
{
    public static class DataUtil
    {
        public static Dictionary<string, string> ZoneDict = new Dictionary<string, string>();

        public static string GetZone(string key)
        {
            if (ZoneDict.ContainsKey(key))
                return ZoneDict[key];
            return null;
        }

        public static DateTime GetDateTime(string birth)
        {
            return DateTime.ParseExact(birth, "yyyyMMdd", null);
        }

        public static string GetSex(string sex)
        {
            if (int.Parse(sex) % 2 == 0)
                return "女";
            else
                return "男";
        }

        public static string GetVerify(string number)
        {
            int[] values = { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 };
            int sum = 0;
            for (int index = 0; index < 17; index++)
                sum += int.Parse(number[index].ToString()) * values[index];
            switch (sum % 11)
            {
                case 0: return "1";
                case 1: return "0";
                case 2: return "X";
                case 3: return "9";
                case 4: return "8";
                case 5: return "7";
                case 6: return "6";
                case 7: return "5";
                case 8: return "4";
                case 9: return "3";
                case 10: return "2";
                default: return "ERROR";
            }
        }

        public static string ToHtml(this StringBuilder sb)
        {
            sb.Replace("\r\n", "<br />").Replace("\r", "<br />").Replace("\n", "<br />");
            return sb.ToString();
        }