【类】数字转汉字及其他转换

 数字转换类 

using System;
using System.Collections.Generic;
using System.Text;

class FString
{
     阿拉伯数字转汉字 
    public static string Chinese(long n, bool fang)
    {
        string strn = n.ToString();
        string str = "";
        string nn = "零壹贰叁肆伍陆柒捌玖";
        string ln = "零一二三四五六七八九";

        string mm = "  拾佰仟萬拾佰仟亿拾佰仟萬兆拾佰仟萬亿";
        string lm = "  十百千万十百千亿十百千万兆十百千万亿";

        int i = 0;
        while (i < strn.Length)//>>>>>>>>>>>>>>>>出现空格
        {

            int m = int.Parse(strn.Substring(i, 1));
            if (fang)//返回繁体字
            {
                str += nn.Substring(m, 1);
                if (lm.Substring(strn.Length - i, 1) != " " )
                { str += mm.Substring(strn.Length - i, 1); }
            }
            else//返回简体字
            {
                str += ln.Substring(m, 1);
                if (lm.Substring(strn.Length - i, 1) != " ")
                {
                    str += lm.Substring(strn.Length - i, 1);
                }
            }
            i++;
        }
        if (str.Substring(str.Length - 1) == "零")
        { str = str.Substring(0, str.Length - 1); }
        if (str.Length>1 && str.Substring(0, 2) == "一十")
        { str = str.Substring(1); }
        if (str.Length > 1 && str.Substring(0, 2) == "壹拾")
        { str = str.Substring(1); }

        return str;
    }
     星期英文转中文 
    public static string WeekString(DayOfWeek d)//转为中文星期
    {
        string week = "";
        switch (d)
        {
            case DayOfWeek.Sunday: week = "星期日"; break;
            case DayOfWeek.Monday: week = "星期一"; break;
            case DayOfWeek.Tuesday: week = "星期二"; break;
            case DayOfWeek.Wednesday: week = "星期三"; break;
            case DayOfWeek.Thursday: week = "星期四"; break;
            case DayOfWeek.Friday: week = "星期五"; break;
            case DayOfWeek.Saturday: week = "星期六"; break;
        }
        return week;
    }
    
    public static int WeekInt(DayOfWeek d)
    {
        int week = 0;
        switch (d)
        {
            case DayOfWeek.Sunday: week = 0; break;
            case DayOfWeek.Monday: week = 1; break;
            case DayOfWeek.Tuesday: week = 2; break;
            case DayOfWeek.Wednesday: week = 3; break;
            case DayOfWeek.Thursday: week = 4; break;
            case DayOfWeek.Friday: week = 5; break;
            case DayOfWeek.Saturday: week = 6; break;
        }
        return week;
    }

    public static string WeekString(int d)//转为中文星期
    {
        string week = "";
        switch (d)
        {
            case 0: week = "星期日"; break;
            case 1: week = "星期一"; break;
            case 2: week = "星期二"; break;
            case 3: week = "星期三"; break;
            case 4: week = "星期四"; break;
            case 5: week = "星期五"; break;
            case 6: week = "星期六"; break;
        }
        return week;
    }

    public static string MonthString(int m, bool fang)//转为中文月份
    {
        string month = Chinese(m, fang) + "月";
        return month;
    }

    public static string dayString(int m)//初几
    {
        string str = "";
        if (m < 11)
        {
            str = "初" + Chinese(m, false);
        }
        else if (m < 30 && m > 19)
        {
            str = "廿" + Chinese(m%10, false);
        }
        else
        { str = Chinese(m, false); }
        if (str == "廿")
        { str += "十"; }
        return str;
    }
}