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#include #include using namespace std;cla Date { private: int day, month, year;public: //声明区
Date(int t_day = 9, int t_month = 9, int t_year = 2000);Date(Date &t_date);void show();Date operator++();Date operator++(int);void setDay(int t_day, int t_month, int t_year);~Date();};//定义区
Date::Date(int t_day, int t_month, int t_year): day(t_day), month(t_month), year(t_year){} Date::Date(Date &t_date){ day = t_date.day;month = t_date.month;year = t_date.year;} void Date::show(){ cout
switch(month){
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
if(day == 32){
month++;
day = 1;
if(month == 13){
} else {
year++;
month = 1;
} } break;case 4: case 6: case 9: case 11: if(day == 31){
month++;
day = 1;} break;case 2: if(day == 30){
month++;
day = 1;} break;} switch(month){ case 1: case 3: case 5: case 7: case 8: case 10: case 12: if(day == 32){
month++;
day = 1;
if(month == 13){
year++;
month = 1;
} } break;case 4:
case 6:
case 9:
case 11:
if(day == 31){
month++;
day = 1;
}
break;
case 2:
if(day == 29){
month++;
day = 1;
}
break;
} } return *this;} Date Date::operator++(int){ Date date = *this;++(*this);return date;} void Date::setDay(int t_day, int t_month, int t_year){ day = t_day;month = t_month;year = t_year;} Date::~Date(){} int main(){ Date day1;day1.show();Date day2(31, 12, 2018);day2++;day2.show();Date day3(28, 2, 1999);(++day3).show();Date day4(28, 2, 1999);(day4++).show();day4.setDay(28, 12, 2018);day4.show();system(“pause”);return 0;} // // // // // // // // //添加更深一级理解
//估计有很多bug，代码还未优化 #include #include using namespace std;cla Date { private: int day, month, year;public: //声明区
Date(int t_day = 9, int t_month = 9, int t_year = 2000);Date(Date &t_date);void show();Date operator++();Date operator++(int);friend Date operator+(const Date& t_day1, const Date& t_day2);friend Date operator+(const Date& t_day1, const int& t_day2);~Date();};//定义区
Date::Date(int t_day, int t_month, int t_year): day(t_day), month(t_month), year(t_year){} Date::Date(Date &t_date){ day = t_date.day;month = t_date.month;year = t_date.year;} void Date::show(){ cout
} else {
switch(month){ case 1: case 3: case 5: case 7: case 8: case 10: case 12: if(day == 32){
month++;
day = 1;
if(month == 13){
year++;
month = 1;
} } break;case 4: case 6: case 9: case 11: if(day == 31){
month++;
day = 1;} break;case 2: if(day == 30){
month++;
day = 1;} break;} switch(month){ case 1: case 3: case 5: case 7: case 8:
case 10:
case 12:
if(day == 32){
month++;
day = 1;
if(month == 13){
year++;
month = 1;
}
}
break;
case 4:
case 6:
case 9:
case 11:
if(day == 31){
month++;
day = 1;
}
break;
case 2:
if(day == 29){
month++;
day = 1;
}
break;
} } return *this;} Date Date::operator++(int){ Date date = *this;++(*this);return date;} Date operator+(const Date& t_day1, const Date& t_day2){ int temp_day, temp_month, temp_year;temp_day = t_day1.day + t_day2.day;temp_month = t_day1.month + t_day2.month;temp_year = t_day1.year + t_day2.year;while(temp_month > 12){
temp_month-= 12;
temp_year++;} if((temp_year % 400 == 0)||(temp_year % 4 == 0 && temp_year % 100!= 0)){
while(temp_day > 29){
if((temp_year % 400 == 0)||(temp_year % 4 == 0 && temp_year % 100!= 0)){
temp_month, temp_year);
temp_month, temp_year);
switch(temp_month){ case 1: case 3: case 5: case 7: case 8: case 10: case 12: if(temp_day
return Date(temp_day, temp_day-= 31;temp_month++;if(temp_month > 12){
temp_month-= 12;
temp_year++;} break;case 4: case 6: case 9: case 11: if(temp_day
return Date(temp_day, temp_day-= 30;temp_month++;if(temp_month > 12){
temp_month-= 12;
temp_year++;} break;case 2: temp_day-= 29;temp_month++;if(temp_month > 12){
temp_month-= 12;
temp_year++;}
}
else {
}
break;
temp_month, temp_year);
temp_month, temp_year);
switch(temp_month){ case 1: case 3: case 5: case 7: case 8: case 10: case 12: if(temp_day
return Date(temp_day, temp_day-= 31;temp_month++;if(temp_month > 12){
temp_month-= 12;
temp_year++;} break;case 4: case 6: case 9: case 11: if(temp_day
return Date(temp_day, temp_day-= 30;temp_month++;if(temp_month > 12){
temp_month-= 12;
temp_year++;} break;case 2: temp_day-= 28;temp_month++;if(temp_month > 12){
temp_month-= 12;
temp_year++;} break;
}
}
}
return Date(temp_day, temp_month, temp_year);}
else {
while(temp_day > 28){
if((temp_year % 400 == 0)||(temp_year % 4 == 0 && temp_year % 100!= 0)){
temp_month, temp_year);
temp_month, temp_year);
switch(temp_month){ case 1: case 3: case 5: case 7: case 8: case 10: case 12: if(temp_day
return Date(temp_day, temp_day-= 31;temp_month++;if(temp_month > 12){
temp_month-= 12;
temp_year++;} break;case 4: case 6: case 9: case 11: if(temp_day
return Date(temp_day, temp_day-= 30;temp_month++;if(temp_month > 12){
temp_month-= 12;
temp_year++;} break;case 2: temp_day-= 29;
}
else {
}
temp_month++;
if(temp_month > 12){ temp_month-= 12;temp_year++;}
break;
temp_month, temp_year);
temp_month, temp_year);
switch(temp_month){ case 1: case 3: case 5: case 7: case 8: case 10: case 12: if(temp_day
return Date(temp_day, temp_day-= 31;temp_month++;if(temp_month > 12){
temp_month-= 12;
temp_year++;} break;case 4: case 6: case 9: case 11: if(temp_day
return Date(temp_day, temp_day-= 30;temp_month++;if(temp_month > 12){
temp_month-= 12;
temp_year++;} break;case 2: temp_day-= 28;temp_month++;
if(temp_month > 12){
temp_month-= 12;
temp_year++;
}
break;
}
}
}
return Date(temp_day, temp_month, temp_year);} return Date(temp_day, temp_month, temp_year);} Date operator+(const Date& t_day1, const int& t_day2){ int temp_day, temp_month, temp_year;temp_day = t_day1.day + t_day2;temp_month = t_day1.month;temp_year = t_day1.year;if((temp_year % 400 == 0)||(temp_year % 4 == 0 && temp_year % 100!= 0)){
while(temp_day > 29){
if((temp_year % 400 == 0)||(temp_year % 4 == 0 && temp_year % 100!= 0)){
switch(temp_month){
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
if(temp_day
return Date(temp_day, temp_month, temp_year);
temp_day-= 31;
temp_month++;
if(temp_month > 12){
temp_month-= 12;
temp_year++;
}
break;
case 4:
case 6:
case 9:
case 11:
temp_month, temp_year);
if(temp_day
temp_month, temp_year);
} else {
temp_day-= 30;
temp_month++;if(temp_month > 12){
temp_month-= 12;
temp_year++;} break;case 2: temp_day-= 29;temp_month++;if(temp_month > 12){
temp_month-= 12;
temp_year++;} break;}
switch(temp_month){ case 1: case 3: case 5: case 7: case 8: case 10: case 12: if(temp_day
return Date(temp_day, temp_day-= 31;temp_month++;if(temp_month > 12){
temp_month-= 12;
temp_year++;} break;case 4: case 6: case 9: case 11: if(temp_day
return Date(temp_day, temp_month, temp_year);
temp_day-= 30;
temp_month++;
if(temp_month > 12){
temp_month-= 12;
temp_year++;
}
break;
case 2:
temp_day-= 28;
temp_month++;
if(temp_month > 12){
temp_month-= 12;
temp_year++;
}
break;
}
}
} } else {
while(temp_day > 28){
if((temp_year % 400 == 0)||(temp_year % 4 == 0 && temp_year % 100!= 0)){
switch(temp_month){
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
if(temp_day
return Date(temp_day, temp_month, temp_year);
temp_day-= 31;
temp_month++;
if(temp_month > 12){
temp_month-= 12;
temp_year++;
}
break;
case 4:
temp_month, temp_year);case 6:
case 9: case 11: if(temp_day
return Date(temp_day,temp_month, temp_year);
} else {
temp_day-= 30;temp_month++;if(temp_month > 12){
temp_month-= 12;
temp_year++;} break;case 2: temp_day-= 29;temp_month++;if(temp_month > 12){
temp_month-= 12;
temp_year++;} break;}
switch(temp_month){ case 1: case 3: case 5: case 7: case 8: case 10: case 12: if(temp_day
return Date(temp_day, temp_day-= 31;temp_month++;if(temp_month > 12){
temp_month-= 12;
temp_year++;} break;case 4: case 6:
case 9:
case 11:
if(temp_day
return Date(temp_day, temp_month, temp_year);
temp_day-= 30;
temp_month++;
if(temp_month > 12){
temp_month-= 12;
temp_year++;
}
break;
case 2:
temp_day-= 28;
temp_month++;
if(temp_month > 12){
temp_month-= 12;
temp_year++;
}
break;
}
}
}
return Date(temp_day, temp_month, temp_year);} return Date(temp_day, temp_month, temp_year);}
Date::~Date(){} int main(){ Date day1;day1.show();Date day2(31, 12, 2018);day2++;day2.show();Date day3(28, 2, 1999);(++day3).show();Date day4(28, 2, 1999);(day4++).show();Date day5(23, 2, 2000);Date day6(7, 24, 2002);(day5 + day6).show();Date day7(7, 1, 2004);(day7 + 1888).show();
}
system(“pause”);return 0;
