using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;

namespace?年月日測試
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{

????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????int?year=Convert.ToInt32（textBox1.Text）;
????????????int?month=Convert.ToInt32（textBox2.Text）;
????????????int?day=Convert.ToInt32（textBox3.Text）;
????????????int?n_year=0n_month=0n_day=0;
????????????int[]?m1=new?int[]{46911};//月份小月30天
????????????int[]?m2=new?int[]{1357810};//大月31天
????????????int[]?m3?=?new?int[]?{?1?3?5?7?8?10?12?};//加12月
?????????
????????????if?（year?>=?1000?&&?year?<=?9999?&&?month?>=?1?&&?month?<=?12?&&?day?>=?1?&&?day?<=?31）
????????????{?
????????????????bool?run;
?
????????????????if（（（year?%?400）?==?0）?||?（（（year?%?4）?==?0）?&&?（（year%?100）?!=?0）））
???????????????????
????????????????{?
???????????????????run=true;
????????????????}
????????????????else??
????????????????{
???????????????????run=false;
????????????????}?//判斷閏年

????????????????/*1*/
????????????????if?（（day?>=?1?&&?day?<=?26）||
????????????????????（month!=2&&day==27）||?
????????????????????（month?!=?2?&&?day?==?28）?||
????????????????????（（month?==?1?||?month?==?3?||?month?==?5?||?month?==?7?||month?==?8||?month?==?10||month==12）?&&?day?==?29）||
????????????????????（（run?==?true）?&&?month?==?2?&&?day?==?27））
????????????????{
????????????????????n_year?=?year;
????????????????????n_month?=?month;
????????????????????n_day?=?day?+?2;
????????????????????lblShow.Text?=?n_year?+?“-“?+?n_month?+?“-“?+?n_day;
????????????????}
????????????????/*2*/???
????????????????else?if?（（（month?==4||?month?==6?||?month?==??9||?month?==?11）?&&day==29）||
????????????????????（（month?==?1?||?month?==?3?||?month?==?5?||?month?==?7?||month?==?8||?month?==?10）?&&?day?==?30）?||
????????????????????（（（run?==?false）?&&?month?==?2?&&?day?==?27）?||（（run?==?true）?&&?month?==?2?&&?day?==?28）））
????????????????{
????????????????????n_year?=?year;
????????????????????n_month?=?month?+?1;
????????????????????n_day?=1;
????????????????????lblShow.Text?=?n_year?+?“-“?+?n_month?+?“-“?+?n_day;
????????????????}
????????????????/*3*/
????????????????else?if?（（（month?==?4?||?month?==?6?||?month?==?9||month?==?11）&&day==30）||
????????????????????（（month?==?1?||?month?==?3?||?month?==?5?||?month?==?7?||?month?==?8||?month?==?10）&&day==31）||
????????????????????（（（run?==?false）?&&?month?==?2?&&?day?==?28）?||?（（run?==?true）?&&?month?==?2?&&?day?==?29）））
????????????????{
????????????????????n_year=year;
????????????????????n_month=month+1;
????????????????????n_day=2;
????????????????????lblShow.Text?=?n_year?+?“-“?+?n_

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-12-14?21:24??年月日測試\
?????目錄???????????0??2017-12-14?21:24??年月日測試\年月日測試\
?????文件????????9025??2017-11-07?19:45??年月日測試\年月日測試\Form1.Designer.cs
?????文件????????4282??2017-11-07?22:19??年月日測試\年月日測試\Form1.cs
?????文件????????5817??2017-11-07?19:45??年月日測試\年月日測試\Form1.resx
?????文件?????????496??2017-11-07?19:18??年月日測試\年月日測試\Program.cs
?????目錄???????????0??2017-12-14?21:24??年月日測試\年月日測試\Properties\
?????文件????????1362??2017-11-07?19:18??年月日測試\年月日測試\Properties\AssemblyInfo.cs
?????文件????????2882??2017-11-07?19:18??年月日測試\年月日測試\Properties\Resources.Designer.cs
?????文件????????5612??2017-11-07?19:18??年月日測試\年月日測試\Properties\Resources.resx
?????文件????????1102??2017-11-07?19:18??年月日測試\年月日測試\Properties\Settings.Designer.cs
?????文件?????????249??2017-11-07?19:18??年月日測試\年月日測試\Properties\Settings.settings
?????目錄???????????0??2017-12-14?21:24??年月日測試\年月日測試\bin\
?????目錄???????????0??2017-12-14?21:24??年月日測試\年月日測試\bin\Debug\
?????文件???????12288??2017-11-07?23:02??年月日測試\年月日測試\bin\Debug\年月日測試.exe
?????文件???????26112??2017-11-07?23:02??年月日測試\年月日測試\bin\Debug\年月日測試.pdb
?????文件???????11600??2017-11-08?19:51??年月日測試\年月日測試\bin\Debug\年月日測試.vshost.exe
?????文件?????????490??2016-07-16?19:44??年月日測試\年月日測試\bin\Debug\年月日測試.vshost.exe.manifest
?????文件???????20992??2017-11-08?19:51??年月日測試\年月日測試.suo
?????目錄???????????0??2017-12-14?21:24??年月日測試\年月日測試\obj\
?????目錄???????????0??2017-12-14?21:24??年月日測試\年月日測試\obj\x86\
?????目錄???????????0??2017-12-14?21:24??年月日測試\年月日測試\obj\x86\Debug\
?????文件????????2867??2017-11-08?19:51??年月日測試\年月日測試\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????6444??2017-11-08?19:51??年月日測試\年月日測試\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件?????????887??2017-11-07?23:02??年月日測試\年月日測試.sln
?????文件?????????180??2017-11-07?19:45??年月日測試\年月日測試\obj\x86\Debug\年月日測試.Form1.resources
?????文件?????????180??2017-11-07?19:34??年月日測試\年月日測試\obj\x86\Debug\年月日測試.Properties.Resources.resources
?????文件?????????990??2017-11-08?19:51??年月日測試\年月日測試\obj\x86\Debug\年月日測試.csproj.FileListAbsolute.txt
?????文件?????????975??2017-11-07?19:45??年月日測試\年月日測試\obj\x86\Debug\年月日測試.csproj.GenerateResource.Cache
?????文件???????12288??2017-11-07?23:02??年月日測試\年月日測試\obj\x86\Debug\年月日測試.exe
?????文件???????26112??2017-11-07?23:02??年月日測試\年月日測試\obj\x86\Debug\年月日測試.pdb
............此處省略5個文件信息