c# 字符串日期转换成中文日期

//项目中总是遇到一些把字符串日期转换成中文日期，每次都自己去写个方法，虽然没啥技术含量，但是工作很是繁琐，所以在这里把代码贴出供大家参考

//=====================================================================
// 苏州塔西亚软件有限公司
// 创建人: Aple QQ群：71436018
// 日 期: 2010-07-04
// 描 述: 字符串日期转换成中文日期
// 修改人:
// 日 期:
// 版 本: 1.0.0.0
//=====================================================================
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;

namespace TestFunTion
{
    class Program
    {
        static void Main(string[] args)
        {

            string a = "2010-12-12";
            Console.WriteLine( DateConvert(a));
            Console.ReadKey();

        }
       /// <summary>
       /// 把字符串日期转换成相应的 中文日期
       /// </summary>
       /// <param name="date">字符串日期</param>
       /// <returns>中文日期</returns>
        public static string DateConvert(string date)
        {
            StringBuilder result = new StringBuilder();
            Regex theReg = new Regex("(//d{2}|//d{4})(/|-)(//d{1,2})(/|-)(//d{1,2})");
            if (theReg.IsMatch(date))
            {
                string[] str = null;
                if (date.Contains("-"))
                {
                    str = date.Split('-');
                }
                else if (date.Contains("/"))
                {
                    str = date.Split('/');
                }
                // str[0]中为年，将其各个字符转换为相应的汉字
                for (int i = 0; i < str[0].Length; i++)
                {
                    result.Append(strChinese(int.Parse(str[0][i].ToString())));
                }
                result.Append("年");
                // str[1]中为月，将其各个字符转换成相应的汉字
                int month = int.Parse(str[1]);
                int MN1 = month / 10;
                int MN2 = month % 10;
                if (MN1 == 1)
                {
                    result.Append("十");
                }
                if (MN1 == 0)
                {
                    result.Append(strChinese(10));
                }
                if (MN2 != 0)
                {
                    result.Append(strChinese(MN2));
                }
                result.Append("月");
                //str[2]中为日，将其各个字符转换成相应的汉字
                int day = int.Parse(str[2]);
                int DN1 = day / 10;
                int DN2 = day % 10;
                if (DN1 > 1)
                {
                    result.Append(strChinese(DN1) + "十");
                }
                if (DN1 == 1)
                {
                    result.Append("十");
                }
                if (DN2 != 0)
                {
                    result.Append(strChinese(DN2));
                }
                result.Append("日");
                return result.ToString();

            }
            else
            {
                return "日期格式错误！";
            }

        }

       /// <summary>
        /// 把阿拉伯数字转换成中文数字
        /// </summary>
        /// <param name="nub">阿拉伯数字</param>
        /// <returns>中文数字</returns>
       public static string strChinese(int nub)
        {
            string[] arr = new string[] { "〇", "一", "二", "三", "四", "五", "六", "七", "八", "九" };
            string str = "";
            switch (nub)
            {
                case 0:
                    str = arr[0];
                    break;
                case 1:
                    str = arr[1];
                    break;
                case 2:
                    str = arr[2];
                    break;
                case 3:
                    str = arr[3];
                    break;
                case 4:
                    str = arr[4];
                    break;
                case 5:
                    str = arr[5];
                    break;
                case 6:
                    str = arr[6];
                    break;
                case 7:
                    str = arr[7];
                    break;
                case 8:
                    str = arr[8];
                    break;
                case 9:
                    str = arr[9];
                    break;
            }
            return str;
        }

       
    }
}