/// <summary>

/// 日期转换为中文大写

/// </summary>

public class UpperConvert

{

    public UpperConvert()

    {

        //

        // TODO: 在此处添加构造函数逻辑

        //

    }

    //把数字转换为大写

        public string numtoUpper(int num)

        {

            String str=num.ToString();

            string rstr = "";

            int n;

            for (int i = ; i < str.Length; i++)

            {

                n =Convert.ToInt16(str[i].ToString());//char转数字,转换为字符串，再转数字

                switch (n)

                {

                    case :rstr=rstr+"〇";break;

                    case :rstr=rstr+"一";break;

                    case :rstr=rstr+"二";break;

                    case :rstr=rstr+"三";break;

                    case :rstr=rstr+"四";break;

                    case :rstr=rstr+"五";break;

                    case :rstr=rstr+"六";break;

                    case :rstr=rstr+"七";break;

                    case :rstr=rstr+"八";break;

                    default:rstr=rstr+"九";break;

                }

            }

            return rstr;

        }

        //月转化为大写

        public string monthtoUpper(int month)

        {

            if (month < )

            {

                return numtoUpper(month);

            }

            else

                if (month == ) { return "十"; }

                else

                {

                    return "十" + numtoUpper(month - );

                }

        }

        //日转化为大写

        public string daytoUpper(int day)

        {

            if (day < )

            {

                return monthtoUpper(day);

            }

            else

            {

                String str = day.ToString();

                if (str[] == '')

                {

                    return numtoUpper(Convert.ToInt16(str[].ToString()))+"十" ;

                }

                else

                {

                    return numtoUpper(Convert.ToInt16(str[].ToString())) + "十"

                        + numtoUpper(Convert.ToInt16(str[].ToString()));

                }

            }

        }

        //日期转换为大写

        public string  dateToUpper(System.DateTime date)

        {

            int year = date.Year;

            int month = date.Month;

            int day = date.Day;

            return numtoUpper(year) + "年" + monthtoUpper(month) + "月" + daytoUpper(day) + "日";

        }

}