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最新推荐文章于 2024-11-27 13:42:13 发布

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最新推荐文章于 2024-11-27 13:42:13 发布

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/rcher/p/6530338.html

本文介绍了一个使用C#编写的程序，该程序能够根据输入的公历日期（年、月、日），计算并返回该日期的下一天。程序考虑了不同月份天数的差异及闰年的特殊情况。

nextdate

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

namespace NextDate
{
class Program
{
static string nextdate(int year, int month, int day)
{

//闰年
if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0)
{
if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 )
{

if (day == 31)
{
day = 1;
month++;
}
else
day++;

}
else if(month==2)
{
if (day == 29)
{
day = 1;
month++;
}
else
day++;

}
else if(month==12)
{
if (day == 31)
{
day = 1;
month=1;
year++;
}
else
day++;
}
else if( month ==4|| month ==6|| month ==9|| month ==11)
{
if (day == 30)
{
day = 1;
month++;
}
else
day++;
}
}
else//平年
{
if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10)
{

if (day == 31)
{
day = 1;
month++;
}
else
day++;

}
else if (month == 2)
{
if (day == 28)
{
day = 1;
month++;
}
else
day++;

}
else if (month == 12)
{
if (day == 31)
{
day = 1;
month = 1;
year++;
}
else
day++;
}
else if (month == 4 || month == 6 || month == 9 || month == 11)
{
if (day == 30)
{
day = 1;
month++;
}
else
day++;
}
}
String Year = Convert.ToString(year);
String Month = Convert.ToString(month);
String Day = Convert.ToString(day);

return Year+"年"+Month+"月"+Day+"日";

}

static void Main(string[] args)
{

string tmp="0";
int month = 0, year = 0, day = 0;
string date = " ";
while (true)
{

Console.WriteLine("请输入日期(以1个空格区分年月日)");
string str = Console.ReadLine();
String[] st = str.Split(new char[1]{' '});
year= Convert.ToInt16(st[0]);
month=Convert.ToInt16(st[1]);
day =Convert.ToInt16(st[2]);
if (year <1912 || year > 2050)
{
Console.WriteLine("年份超过范围");
continue;
}
else if (month > 12 || month < 1)
{
Console.WriteLine("月份超过范围");
continue;
}
//日期有效判断
else if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10)
{
if (day > 31 || day < 1)
{
Console.WriteLine("日期超过范围");
continue;
}

}
else if (month == 4 || month == 6 || month == 9 || month == 11)
{
if (day > 30 || day < 1)
{
Console.WriteLine("日期超过范围");
continue;
}
}
else if (month == 2)
{
if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0)
{
if (day < 1 || day > 29)
{
Console.WriteLine("日期超过范围");
continue;
}
}
else
{
if (day < 1 || day > 28)
{
Console.WriteLine("日期超过范围");
continue;
}
}
}
date = nextdate(year, month, day);
Console.WriteLine("下一天是 ");
Console.WriteLine(date);
Console.WriteLine("是否停止 1 Or -1 -1为停止");
tmp = Console.ReadLine();

}

}
}
}