运行不成功，，求高人指点，日立制作， 要求出年历以及可以输入两天可以知道相差天数
#include <iostream> #include <vector>
#include <iomanip>
using namespace std;
class Date
{
private:
int year; //年份
int month; //月份
int day; //几号
int days; //该月共有几天
int lDays; //当前日期后面的天数，lDays=days-day;
vector<int> myYear; //存放万年历日期排列的容器
void Set(); //输入了日期后初始化days lDays myYear
public:
Date(int y=1900,int m=1,int d=0):year(y),month(m),day(d){myYear.resize(40);Set();}
void Show()const;
void showSign()const;
void showAll()const;
void Reset(int y,int m,int d=0);
void clear();
bool isR(int n);
int operator-(const Date&);
};
void Date::Show()const
{
cout<<" "<<year<<"年"<<month<<"月"<<"(";
showSign();
cout<<")"<<endl<<endl;
cout<<setw(5)<<"日"<<setw(5)<<"一"<<setw(5)<<"二"<<setw(5)<<"三"<<setw(5)<<"四"
<<setw(5)<<"五"<<setw(5)<<"六"<<endl;
for(vector<int>::size_type i=0;i<myYear.size();i++)
{
if(myYear[i]==0)
cout<<setw(5)<<" ";
else
cout<<setw(5)<<myYear[i];
if((i+1)%7==0)
cout<<endl;
}
cout<<endl;
}
void Date::Set()
{
short beginDay=1;
for(int i=1901;i<=year;i++) //年份产生的初始位置的改变
{
if(!isR(i-1))
beginDay++;
else
beginDay+=2;
if(beginDay>6)
beginDay%=7;
}
for( i=2;i<=month;i++) //月份产生的初始位置的改变
{
switch(i-1)
{
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
{
beginDay+=3;
if(beginDay>6)
beginDay%=7;
break;
}
case 2:
{
if(isR(year))
beginDay++;
if(beginDay>6)
beginDay%=7;
break;
}
default:
{
beginDay+=2;
if(beginDay>6)
beginDay%=7;
break;
}
}
}
for( i=0;i<31;i++) //将容器全部设置为31天
myYear[beginDay+i]=i+1;
switch(month) //重设尾部几天
{
case 4:
case 6:
case 9:
case 11:
{
myYear[beginDay+30]=0;
days=30;
break;
}
case 2:
{
myYear[beginDay+30]=0;
myYear[beginDay+29]=0;
days=29;
if(!isR(year))
{
myYear[beginDay+28]=0;
days=28;
}
break;
}
default:
{
days=31;
break;
}
}
lDays=days-day;
}
void Date::Reset(int y,int m,int d)
{
this->clear();
year=y;month=m;day=d;
Set();
}
bool Date::isR(int n)
{
if(n%100!=0&&n%4==0)
return 1;
else if(n%100==0&&n%400==0)
return 1;
else
return 0;
}
void Date::showSign()const
{
switch((year%1900)%12)
{
case 0:
cout<<"鼠";break;
case 1:
cout<<"牛";break;
case 2:
cout<<"虎";break;
case 3:
cout<<"兔";break;
case 4:
cout<<"龙";break;
case 5:
cout<<"蛇";break;
case 6:
cout<<"马";break;
case 7:
cout<<"羊";break;
case 8:
cout<<"猴";break;
case 9:
cout<<"鸡";break;
case 10:
cout<<"狗";break;
case 11:
cout<<"猪";break;
}
}
void Date::showAll()const
{
Date da;
for(int i=0;i<12;i++)
{
da.Reset(this->year,i+1);
da.Show();
cout<<endl<<endl<<endl;
da.clear();
}
}
void Date::clear()
{
myYear.clear();
myYear.resize(40);
}
int Date::operator-(const Date& da)
{
int sum=0;
Date temp;
if(this->year<da.year) //几个无法计算的提示
{
cout<<"必须以较早的日期减去较迟的日期！/n";
return -1;
}
else if(this->year==da.year&&this->month<da.month)
{
cout<<"必须以较早的日期减去较迟的日期！/n";
return -2;
}
else if(this->year==da.year&&this->month==da.month&&this->day<da.day)
{
cout<<"必须以较早的日期减去较迟的日期！/n";
return -3;
}
else
{
if(year==da.year&&month==da.month&&day!=da.day) //同年同月不同日
{
return day-da.day;
}
if(year==da.year&&month>da.month) //同年不同月
{
for(int i=da.month+1;i<month;i++)
{
temp.Reset(year,i);
sum+=temp.lDays;
}
return sum+da.lDays+day;
}
else
{
for( int i=da.year+1;i<year;i++)
{
if(isR(i))
sum+=366;
else
sum+=365;
}
for( i=da.month+1;i<13;i++)
{
temp.Reset(da.year,i);
sum+=temp.lDays;
}
sum+=da.lDays;
for(i=1;i<month;i++)
{
temp.Reset(year,i);
sum+=temp.lDays;
}
sum+=day;
return sum;
}
}
}
