#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;
