#region 日期格式转换 /// <summary> /// 将数字表示的日期转换诚中文日期 /// </summary> /// <param name="date"></param> /// <returns></returns> private static string ConvertStringToChinese(string date) { string [] str = date.Split('年', '月', '日');
StringBuilder sb = new StringBuilder(); sb.Append(ConvertYear(str[0])); sb.Append("年"); sb.Append(ConvertMonthorDay(str[1])); sb.Append("月"); sb.Append(ConvertMonthorDay(str[2])); sb.Append("日"); return sb.ToString(); } /// <summary> /// 转换日期的月或日的部分 /// </summary> /// <param name="date"></param> /// <returns></returns> private static string ConvertMonthorDay(string date) { int num = int.Parse(date); if (num<10) { return NumToChinese(num); }
else if (num == 10) { return "十"; } else if (num > 10 && num < 20) { return "十" + NumToChinese(num % 10); } else if (num == 20) { return "二十"; }
else if (num > 20 && num < 30) { return "二十" + NumToChinese(num % 10); } else if (num == 30) { return "三十"; } else { return "三十一"; } } /// <summary> /// 讲数字转换成对应的汉字 /// </summary> /// <param name="num"></param> /// <returns></returns> private static string NumToChinese(int num) { string ch = string.Empty; switch (num) { case 0: ch = "零"; break; case 1: ch = "一"; break; case 2: ch = "二"; break; case 3: ch = "三"; break; case 4: ch = "四"; break; case 5: ch = "五"; break; case 6: ch = "六"; break; case 7: ch = "七"; break; case 8: ch = "八"; break; case 9: ch = "九"; break; } return ch;
} /// <summary> /// 转换日期的年部分 /// </summary> /// <param name="date"></param> /// <returns></returns> private static string ConvertYear(string date) { char[] chYear = date.ToCharArray(); for (int i = 0; i < chYear.Length; i++) { switch (chYear[i]) { case '0': chYear[i] = '零'; break; case '1': chYear[i] = '一'; break; case '2': chYear[i] = '二'; break; case '3': chYear[i] = '三'; break; case '4': chYear[i] = '四'; break; case '5': chYear[i] = '五'; break; case '6': chYear[i] = '六'; break; case '7': chYear[i] = '七'; break; case '8': chYear[i] = '八'; break; case '9': chYear[i] = '九'; break;
default: break; } }
return new string(chYear); } #endregion
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#region 日期转换 string date = "2012年12月31日"; date = ConvertStringToChinese(date); Console.WriteLine(date); Console.ReadKey(); #endregion
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