c++日历改进版

#include<iostream>
# include<fstream>
#include<time.h>
#include<string>
#include<iomanip>
using namespace std;
void bangzhu();
void xianzaishijian();
void chakanrili();
int runnian(int);
int tianshu(int,int);
void shuru();
int shurupanduan(int ,int,int);
void shuchu();
void shuxiang(int);
void shuchushuxiang();
void dijitian();
void nianli();
int main()  //主函数
{
int a;
bangzhu();
while(cin>>a)
{if(a==0)
break;
system("cls");

switch(a)
{//case 0: break;break;
case 1: xianzaishijian(),bangzhu();break;
case 2: chakanrili();break;
case 3: shuchushuxiang();break;
case 4: dijitian();break;
case 5: nianli();break;

case 9: bangzhu();break;}

}
return 0;}

void xianzaishijian()    //输出现在时间以及当前月份日历
{
time_t t = time(NULL);
struct tm   *local = localtime(&t);
int year = local -> tm_year + 1900;
int month = local -> tm_mon + 1;
int day = local -> tm_mday;
int hour = local -> tm_hour;
int minute = local -> tm_min;
int second = local -> tm_sec;

int d,y,m,l;
y=year;
m=month;
d=day;
int z=1;
l=shurupanduan(y, m,z);
while(l==0)
{cin>>y>>m;
l=shurupanduan(y,m,z);
}
int q,s,i,sum=0;
for(i=1905;i<y;i++)
{sum+=365;
s=runnian(i);
if(s==1)
sum++;}
for(i=1;i<m;i++)
{s=runnian(y);
switch(i)
{case 1:q=31;break;
case 2:q=28;break;
case 3:q=31;break;
case 5:q=31;break;
case 7:q=31;break;
case 8:q=31;break;
case 10:q=31;break;
case 12:q=31;break;
case 4:q=30;break;
case 6:q=30;break;
case 9:q=30;break;
case 11:q=30;break;}
sum+=q;
}
if(s==1&&m>2)
sum++;
switch(m)
{case 1:q=31;break;
case 2:q=28;break;
case 3:q=31;break;
case 5:q=31;break;
case 7:q=31;break;
case 8:q=31;break;
case 10:q=31;break;
case 12:q=31;break;
case 4:q=30;break;
case 6:q=30;break;
case 9:q=30;break;
case 11:q=30;break;}
s=runnian(y);
if(s==1&&m==2)
q++;
int u,w;
u=sum%7;
w=3*u;
sum=sum+d;
d--;
d=sum%7;

cout <<"当前时间: "<<endl<<year<<"年"<<month<<"月"<<day<<"日"<<' '<<"星期";

switch(d)
{case 0:cout<<"日";break;
case 1:cout<<"一";break;
case 2:cout<<"二";break;
case 3:cout<<"三";break;
case 4:cout<<"四";break;
case 5:cout<<"五";break;
case 6:cout<<"六";break;
}
cout<<"  ";
shuxiang(year);
cout <<endl<<"     "<<hour<<":"<<minute<<":"<<second<<endl<<endl;
cout<<" 日 一 二 三 四 五 六"<<endl;
for(i=1;i<=w;i++)
cout<<' ';
for(i=1;i<=q;i++)
{if(u==6)
{cout<<fixed<<setw(2)<<i<<"              "<<endl;;
u=-1;}
else cout<<fixed<<setw(2)<<i<<' ';

u++;}

}
void bangzhu()                         //操作指令提示
{  cout<<"请输入以下指令"<<endl<<endl;

cout<<"    1.输出当前时间          " <<endl;
cout<<"============================"<<endl;
cout<<"    2.查看指定月份日历         "<<endl;
cout<<"============================"<<endl;
cout<<"    3.查看属相         "<<endl;
cout<<"============================"<<endl;
cout<<"    4,计算指定日期是一年中的第几天"<<endl;
cout<<"============================"<<endl;
cout<<"    5,显示输出任何一年的年历,并写入一文本"<<endl;
cout<<"============================"<<endl;
cout<<"    9.输出指令集"<<endl;
cout<<"============================"<<endl;
cout<<"    0.结束本程序          "<<endl ;
cout<<"============================"<<endl;
}

int shurupanduan(int a,int b,int c=1)   //判断输入年月是否正确
{int l=1,q;
if(a<=0||b<=0||b>12||c<0)
{l=0;
cout<<"您的输入有误请重新输入"<<endl;}
switch(b)
{case 1:q=31;break;
case 2:q=28;break;
case 3:q=31;break;
case 5:q=31;break;
case 7:q=31;break;
case 8:q=31;break;
case 10:q=31;break;
case 12:q=31;break;
case 4:q=30;break;
case 6:q=30;break;
case 9:q=30;break;
case 11:q=30;break;}
if(c>q)
{l=0;
cout<<"您的输入有误请重新输入"<<endl;}

return l;}

int runnian(int a) //判断是是否为闰年
{int l=0;
if((a%4==0&&a%100!=0)||(a%400==0))
l=1;
return l;
}

void chakanrili()   //查看指定月份日历
{cout<<"请输入年月中间用空格隔开如2013 1"<<endl;
int y,m,l;
cin>>y>>m;
int z=1;
l=shurupanduan(y,m,z);
while(l==0)
{cin>>y>>m;
l=shurupanduan(y,m,z);
}
int q,s,i,sum=0;
for(i=1905;i<y;i++)
{sum+=365;
s=runnian(i);
if(s==1)
sum++;}
for(i=1;i<m;i++)
{s=runnian(y);
switch(i)
{case 1:q=31;break;
case 2:q=28;break;
case 3:q=31;break;
case 5:q=31;break;
case 7:q=31;break;
case 8:q=31;break;
case 10:q=31;break;
case 12:q=31;break;
case 4:q=30;break;
case 6:q=30;break;
case 9:q=30;break;
case 11:q=30;break;}
sum+=q;
}
if(s==1&&m>2)
sum++;
switch(m)
{case 1:q=31;break;
case 2:q=28;break;
case 3:q=31;break;
case 5:q=31;break;
case 7:q=31;break;
case 8:q=31;break;
case 10:q=31;break;
case 12:q=31;break;
case 4:q=30;break;
case 6:q=30;break;
case 9:q=30;break;
case 11:q=30;break;}
s=runnian(y);
if(s==1&&m==2)
q++;
int u,w;
u=sum%7;
w=3*u;
cout<<" 日 一 二 三 四 五 六"<<endl;
for(i=1;i<=w;i++)
cout<<' ';
for(i=1;i<=q;i++)
{if(u==6)
{cout<<fixed<<setw(2)<<i<<"              "<<endl;;
u=-1;}
else cout<<fixed<<setw(2)<<i<<' ';

u++;}
cout<<endl;}

void shuxiang(int y)//判断属相
{int p;
p=y%12;
switch(p)
{case 1:cout<<"鸡年";break;
case 2:cout<<"狗年";break;
case 3:cout<<"猪年";break;
case 4:cout<<"鼠年";break;
case 5:cout<<"牛年";break;
case 6:cout<<"虎年";break;
case 7:cout<<"兔年";break;
case 8:cout<<"龙年";break;
case 9:cout<<"蛇年";break;
case 10:cout<<"马年";break;
case 11:cout<<"羊年";break;
case 12:cout<<"猴年";break;}
}
void shuchushuxiang() //输出属相
{
cout<<"请输入年份"<<endl;
int y;
cin>>y;
shuxiang(y);
cout<<endl;
}
void dijitian()
{int y,m,d,sum=0,i,l,s,q;
cout<<"请输入年月日"<<endl;
cin>>y>>m>>d;
l=shurupanduan(y,m,d);
while(l==0)
{cin>>y>>m;
l=shurupanduan(y,m,d);
}
for(i=1;i<m;i++)
{s=runnian(y);
switch(i)
{case 1:q=31;break;
case 2:q=28;break;
case 3:q=31;break;
case 5:q=31;break;
case 7:q=31;break;
case 8:q=31;break;
case 10:q=31;break;
case 12:q=31;break;
case 4:q=30;break;
case 6:q=30;break;
case 9:q=30;break;
case 11:q=30;break;}
sum+=q;
}
if(s==1&&m>2)
sum++;
sum=sum+d;
cout<<y<<"年"<<m<<"月"<<d<<"日是这一年中第"<<sum<<"天"<<endl;

}
void nianli()
{cout<<"请输入文本名称:";
char s[20];
cin>>s;
ofstream outfile(s,ios::out);
cout<<"请输入年份"<<endl;
int y,m,l;
cin>>y;
for(m=1;m<=12;m++)
{
int z=1;
l=shurupanduan(y,m,z);
while(l==0)
{cin>>y>>m;
l=shurupanduan(y,m,z);
}
int q,s,i,sum=0;
for(i=1905;i<y;i++)
{sum+=365;
s=runnian(i);
if(s==1)
sum++;}
for(i=1;i<m;i++)
{s=runnian(y);
switch(i)
{case 1:q=31;break;
case 2:q=28;break;
case 3:q=31;break;
case 5:q=31;break;
case 7:q=31;break;
case 8:q=31;break;
case 10:q=31;break;
case 12:q=31;break;
case 4:q=30;break;
case 6:q=30;break;
case 9:q=30;break;
case 11:q=30;break;}
sum+=q;
}
if(s==1&&m>2)
sum++;
switch(m)
{case 1:q=31;break;
case 2:q=28;break;
case 3:q=31;break;
case 5:q=31;break;
case 7:q=31;break;
case 8:q=31;break;
case 10:q=31;break;
case 12:q=31;break;
case 4:q=30;break;
case 6:q=30;break;
case 9:q=30;break;
case 11:q=30;break;}
s=runnian(y);
if(s==1&&m==2)
q++;
int u,w;
u=sum%7;
w=3*u;
outfile<<"   "<<y<<"年"<<m<<"月"<<endl;
outfile<<" 日 一 二 三 四 五 六"<<endl;
for(i=1;i<=w;i++)
outfile<<' ';
for(i=1;i<=q;i++)
{if(u==6)
{outfile<<fixed<<setw(2)<<i<<"              "<<endl;;
u=-1;}
else outfile<<fixed<<setw(2)<<i<<' ';

u++;}
outfile<<endl;
}
for(m=1;m<=12;m++)
{
int z=1;
l=shurupanduan(y,m,z);
while(l==0)
{cin>>y>>m;
l=shurupanduan(y,m,z);
}
int q,s,i,sum=0;
for(i=1905;i<y;i++)
{sum+=365;
s=runnian(i);
if(s==1)
sum++;}
for(i=1;i<m;i++)
{s=runnian(y);
switch(i)
{case 1:q=31;break;
case 2:q=28;break;
case 3:q=31;break;
case 5:q=31;break;
case 7:q=31;break;
case 8:q=31;break;
case 10:q=31;break;
case 12:q=31;break;
case 4:q=30;break;
case 6:q=30;break;
case 9:q=30;break;
case 11:q=30;break;}
sum+=q;
}
if(s==1&&m>2)
sum++;
switch(m)
{case 1:q=31;break;
case 2:q=28;break;
case 3:q=31;break;
case 5:q=31;break;
case 7:q=31;break;
case 8:q=31;break;
case 10:q=31;break;
case 12:q=31;break;
case 4:q=30;break;
case 6:q=30;break;
case 9:q=30;break;
case 11:q=30;break;}
s=runnian(y);
if(s==1&&m==2)
q++;
int u,w;
u=sum%7;
w=3*u;
cout<<"   "<<y<<"年"<<m<<"月"<<endl;
cout<<" 日 一 二 三 四 五 六"<<endl;
for(i=1;i<=w;i++)
cout<<' ';
for(i=1;i<=q;i++)
{if(u==6)
{cout<<fixed<<setw(2)<<i<<"              "<<endl;;
u=-1;}
else cout<<fixed<<setw(2)<<i<<' ';

u++;}
cout<<endl;
}
}