302 lines
5.7 KiB
C++
302 lines
5.7 KiB
C++
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#pragma once
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#include <iostream>
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namespace Lenyiin
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{
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class Date
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{
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private:
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friend std::ostream& operator<<(std::ostream& _cout, const Date& d);
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friend std::istream& operator>>(std::istream& _cin, Date& d);
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// <20>ж<EFBFBD><D0B6>Ƿ<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>
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bool isLeapYear(int year) const
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{
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return (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
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}
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// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>·ݵ<C2B7><DDB5><EFBFBD><EFBFBD><EFBFBD>
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int GetMonthDay(int year, int month)
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{
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static int monthArray[13] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
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int day = monthArray[month];
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// <20>ж<EFBFBD><D0B6>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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if (month == 2 && isLeapYear(year))
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{
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day = 29;
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}
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return day;
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}
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// <20><>֤<EFBFBD><D6A4><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>Ч<EFBFBD><D0A7>
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bool isValidDate(int year, int month, int day)
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{
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// <20>·ݱ<C2B7><DDB1><EFBFBD><EFBFBD><EFBFBD> 1 <20><> 12 ֮<><D6AE>
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if (month < 1 || month > 12)
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{
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return false;
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}
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// <20><><EFBFBD>ڱ<EFBFBD><DAB1><EFBFBD><EFBFBD><EFBFBD> 1 <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ֮<><D6AE>
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return day >= 1 && day <= GetMonthDay(year, month);
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}
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public:
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// <20><><EFBFBD>캯<EFBFBD><ECBAAF>
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Date(int year = 2024, int month = 1, int day = 1)
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{
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if (!isValidDate(year, month, day))
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{
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std::cerr << "Invalid date!" << std::endl;
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exit(1); // <20><>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч
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}
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_year = year;
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_month = month;
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_day = day;
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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Date(const Date& d)
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: _year(d._year), _month(d._month), _day(d._day)
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{
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}
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void Print()
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{
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std::cout << _year << "-" << _month << "-" << _day << std::endl;
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}
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// <20><>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>أ<EFBFBD><D8A3><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϳ<EFBFBD><CDBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ȥʹ<C8A5><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// <20>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CDB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD>ֵʱ<D6B5><CAB1><EFBFBD>ڿ<EFBFBD><DABF>Ե<EFBFBD><D4B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD><C2A3><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD>ٿ<EFBFBD><D9BF><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD>
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// d1.operator==(d2);
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bool operator==(const Date& d) const // bool operator==(Date* this, const Date& d) const
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{
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if (this->_year == d._year && this->_month == d._month && this->_day == d._day)
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{
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return true;
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}
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return false;
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}
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// d1.operator<(&d2);
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bool operator<(const Date& d) const // bool operator<(Date* this, const Date& d) const
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{
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if (this->_year < d._year)
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{
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return true;
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}
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else if (this->_year == d._year && this->_month < d._month)
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{
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return true;
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}
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else if (this->_year == d._year && this->_month == d._month && this->_day < d._day)
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{
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return true;
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}
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return false;
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}
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// d1 <= d2
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// d1.operator<=(&d2);
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bool operator<=(const Date& d) const // bool operator<=(Date* this, const Date& d) const
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{
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return (*this < d) || (*this == d); // <20><><EFBFBD>븴<EFBFBD><EBB8B4>
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}
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// d1.operator>(d2);
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bool operator>(const Date& d) const // bool operator>(Date* this, const Date& d) const
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{
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return d < *this; // <20><><EFBFBD>븴<EFBFBD><EBB8B4>
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}
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// d1 >= d2
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// d1.operator>=(&d2);
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bool operator>=(const Date& d) const // bool operator>=(Date* this, const Date& d) const
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{
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return !(*this < d); // <20><><EFBFBD>븴<EFBFBD><EBB8B4>
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}
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// d1 != d2
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// d1.operator!=(&d2);
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bool operator!=(const Date& d) const // bool operator!=(Date* this, const Date& d) const
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{
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return !(*this == d); // <20><><EFBFBD>븴<EFBFBD><EBB8B4>
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}
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// d1.operator=(d2);
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Date& operator=(const Date& d) // Date& operator=(Date* this, const Date& d)
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{
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if (*this != d)
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{
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_year = d._year;
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_month = d._month;
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_day = d._day;
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}
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return *this;
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}
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// d1.operator+=(int);
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Date& operator+=(int day) // Date& operator+=(Date* this, int day)
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{
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if (day < 0)
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{
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return *this -= -day;
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}
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_day += day;
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while (_day > GetMonthDay(_year, _month))
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{
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><DAB2>Ϸ<EFBFBD><CFB7><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD>½<EFBFBD>λ
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_day -= GetMonthDay(_year, _month);
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_month++;
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// <20><><EFBFBD><EFBFBD><EFBFBD>²<EFBFBD><C2B2>Ϸ<EFBFBD><CFB7><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ
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if (_month > 12)
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{
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_year++;
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_month = 1;
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}
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}
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return *this;
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}
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// d1.operator+(int);
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Date operator+(int day) // Date operator+(Date* this, int day)
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{
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Date ret(*this); // Date ret(this->_year, this->_month, this->_day);
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return ret += day;
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}
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// d1.operator-=(int);
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Date& operator-=(int day) // Date& operator-=(Date* this, int day)
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{
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if (day < 0)
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{
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return *this += -day;
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}
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_day -= day;
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while (_day < 1)
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{
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><DAB2>Ϸ<EFBFBD>, <20><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ, <20>²<EFBFBD><C2B2>Ϸ<EFBFBD><CFB7><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ
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_month--;
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if (_month == 0)
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{
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_year--;
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_month = 12;
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}
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_day += GetMonthDay(_year, _month);
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}
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return *this;
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}
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// d1.operator-(int);
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Date operator-(int day) // Date operator-(Date* this, int day)
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{
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Date ret(*this);
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return ret -= day;
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}
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// d1.operator++(); // ǰ<><C7B0>++
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Date& operator++() // Date& operator++(Date* this)
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{
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*this += 1;
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return *this; // <20><><EFBFBD>ؼ<EFBFBD>֮<EFBFBD><D6AE><EFBFBD>Ľ<EFBFBD><C4BD><EFBFBD>
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}
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// d1.operator++(int); // <20><><EFBFBD><EFBFBD>++
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Date operator++(int) // Date operator++(Date* this, int)
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{
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Date ret(*this);
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*this += 1;
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return ret; // <20><><EFBFBD>ؼ<EFBFBD>֮ǰ<D6AE>Ľ<EFBFBD><C4BD><EFBFBD>
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}
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// d1.operator--(); // ǰ<><C7B0>--
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Date& operator--() // Date& operator--(Date* this)
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{
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*this -= 1;
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return *this;
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}
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// d1.operator--(int); // <20><><EFBFBD><EFBFBD>--
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Date operator--(int) // Date operator--(Date* this, int)
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{
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Date ret(*this);
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*this -= 1;
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return ret;
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}
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// d1.operator-(d2);
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int operator-(const Date& d) // int operator-(Date* this, const Date& d)
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{
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Date max = *this;
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Date min = d;
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int flag = 1;
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if (*this < d)
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{
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max = d;
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min = *this;
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flag = -1;
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}
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int count = 0;
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while (min != max)
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{
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++min;
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count++;
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}
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return count * flag;
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}
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// d1.operator[](int);
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int& operator[](int index) // int& operator[](Date* this, int index)
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{
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if (index == 0)
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{
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return _year;
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}
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else if (index == 1)
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{
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return _month;
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}
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else if (index == 2)
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{
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return _day;
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}
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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~Date()
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{
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std::cout << "~Date()" << std::endl;
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}
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private:
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int _year;
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int _month;
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int _day;
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};
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std::ostream& operator<<(std::ostream& _cout, const Date& d)
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{
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_cout << d._year << "-" << d._month << "-" << d._day;
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return _cout;
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}
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std::istream& operator>>(std::istream& _cin, Date& d)
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{
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_cin >> d._year >> d._month >> d._day;
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return _cin;
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}
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}
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