author:mengyao
From:CSdn
据客户要求,把"2007-11-4"转换为"二〇〇七年十一月四号"

 using System;
 using System.Text;
 using System.Text.RegularExpressions;
 
 namespace AndyDateConvert
  {
      class DateConvert
      {
          private static DateConvert m_DateConvert = null;
 
         private char strChinese;
 
         private DateConvert()
         {
             strChinese = new char {
                 ''〇'',''一'',''二'',''三'',''四'',''五'',''六'',''七'',''八'',''九'',''十''
             };
         }
 
         public static DateConvert Instance
         {
             get
             {
                 if (m_DateConvert == null)
                     m_DateConvert = new DateConvert();
                 return m_DateConvert;
             }
         }
 
         public string Baodate2Chinese(string strDate)
         {
             StringBuilder result = new StringBuilder();
 
             // 依据正则表达式判断参数是否正确
             Regex theReg = new Regex(@"(d{2}|d{4})(/|-)(d{1,2})(/|-)(d{1,2})");
             if (theReg.Match(strDate).Length != 0)
             {
                 // 将数字日期的年月日存到字符数组str中
                 string str = null;
                 if (strDate.Contains("-"))
                 {