（残次版，因为农历好像没法算。。。
没有什么算法，挺简单的吧，只要把输出格式对一下，还有赋值对时候注意一下下标和星期对关系
现在功能有显示日历和添加和查看指定日期对记事本
有机会或者有兴趣再把农历查看补上吧！
#include<iostream>
#include<string>
#include<vector>
#include<stdio.h>
#include<string.h>
#include<iomanip>
using namespace std;
struct Month_struct{
string name="";
int days[42];
};
struct Note_book{
int year;
int month;
int day;
string note;
Note_book(int year,int month,int day,string note):year(year),month(month),day(day),note(note){}
};
Month_struct Month_set[12];
vector<Note_book>nb;
int month_length[12]={31,0,31,30,31,30,31,31,30,31,30,31};
string month_name[12]={"January","February","March","April","May","June","July","August","September","October","November","December"};
string week_name[7]={"Su","Mo","Tu","We","Th","Fr","Sa"};
bool is_leap(int year){//check whether the year is leap year
if(year%4!=0)return false;
else{
if(year%100==0)return false;
else return true;
}
}
int calculte_first_day_of_week(int year){
int w=(year-1)+((year-1)/4)-((year-1)/100)+((year-1)/400)+1;
return w%7;
}
int main(){
// cout<<calculte_first_day_of_week(2017);
while(true){
printf("input 1 to show the calendar\n");
printf("input 2 to find the lunar data\n");
printf("input 3 to show the note or input the note\n");
printf("input : ");
int command;
cin>>command;
// create the calendar
int year;
switch (command){
case 1:{
system("clear");
printf("Please input the year： ");
//judge the Feb
if(is_leap(year))month_length[1]=29;
else month_length[1]=28;
int week_iterator=calculte_first_day_of_week(year);
cin>>year;
cout<<endl;
for(int i=0;i<11;++i){
Month_set[i].name=month_name[i];
week_iterator=week_iterator%7;
memset(Month_set[i].days,0,sizeof(Month_set[i].days));
for(int j=1;j<=month_length[i];++j){//creat
Month_set[i].days[week_iterator++]=j;
}
}
//print the calendar
for(int i=0;i<3;++i){
int current_i=i*3;
for(int j=current_i;j<current_i+3;++j)cout<<" "<<setw(6)<<month_name[j]<<" ";
cout<<endl;
for(int j=0;j<3;++j){
for(int tin_j=0;tin_j<7;++tin_j)cout<<setw(3)<<week_name[tin_j];
cout<<" ";
}
cout<<endl;
//day
for(int times=0;times<6;++times){
int day_iterator=times*7;
for(int k=current_i;k<current_i+3;++k){
for(int j=day_iterator;j<day_iterator+7;++j){
if(Month_set[k].days[j]==0)cout<<" ";
else cout<<" "<<setw(2)<<Month_set[k].days[j];
}
cout<<" ";
}
cout<<endl;
}
}
printf("click any keys to continue\n");
getchar();
getchar();
break;
}
case 2:{
system("clear");
printf("Please input the date: ");
// int year,month,day;
cout<<'\n';
getchar();
getchar();
break;
}
case 3:{
system("clear");
printf("Please input the date:");
int month,day;
cin>>year>>month>>day;
cout<<endl;
string nt="";
for(int i=0;i<nb.size();++i){
if(nb[i].year==year&&nb[i].month==month&&nb[i].day==day)nt=nb[i].note;
}
if(nt.length()){
cout<<"There is the note: \n";
cout<<nt<<endl;
printf("input 1 to change the note and 2 to exit");
int action;
cin>>action;
if(action==1){
cout<<"Input your note on this data: \n";
string text;
cin>>text;
Note_book temp(year,month,day,text);
nb.push_back(temp);
}
}
else {
cout<<"There isn't any note! Input 1 to create one note and 2 to exit: \n";
int action;
cin>>action;
if(action==1){
cout<<"Input your note on this data: \n";
string text;
cin>>text;
Note_book temp(year,month,day,text);
nb.push_back(temp);
}
else break;
}
printf("click any keys to continue\n");
getchar();
getchar();
break;
}
}
}
}
