//--------------------------------------------------------------------------/***名稱：日期的簡單操作******類函數：構造函數，拷貝構造函數，析構函數，操作符重載函數****日期類操作函數：?1：計算一個日期加上多少天數后的日期???????**????????????????2：把該日期改為加上指定數目的天數后的日期**????????????????3：一個日期減上多少天數后的日期?**????????????????4：該日期加1（前置++）（后置++）**????????????????5：該日期減1（前置--）（后置--）**????????????????6：計算某日期到未來某日期間隔的天數******日期：2016/1/13*/ //---------------------------------------------------------------------------/*----------------------------------------頭文件--------------------------------------*/#?ifndef?__DATA_H__ #?define?__DATA_H__#?define?_CRT_SECURE_NO_WARNINGS?1#?include?<iostream> #?include?<stdlib.h> #?include?<assert.h>using?namespace?std;class?Date { public://打印函數void?Display(); public://構造函數Date(size_t?year,?size_t?month,?size_t?day);//拷貝構造函數Date(const?Date?&?d);//析構函數~Date();//操作符重載bool?operator==(const?Date?&?d);bool?operator>(const?Date?&?d);bool?operator<(const?Date?&?d);bool?operator>=(const?Date?&?d);bool?operator<=(const?Date?&?d);Date?operator=(const?Date?&?d);//日期類操作Date?operator+?(size_t?day);Date&?operator+=?(size_t?day);Date?operator-?(size_t?day);Date&?operator-=?(size_t?day);Date&?operator++();Date?operator++(int);Date&?operator--();Date?operator--(int);int?Date::operator-(const?Date?&?d);private:bool?_IsLeapYear(size_t?year);size_t?_GetMonthDay(size_t?year,?size_t?month);private:size_t?_year;size_t?_month;size_t?_day; };#?endif???//__DATA_H__/*------------------------------------功能函數-----------------------------------------*/#?include?"Date.h"//打印函數 void?Date::Display() {cout?<<?_year?<<?"年"?<<?_month?<<?"月"?<<?_day?<<?"日"?<<?endl; }//構造函數 Date::Date(size_t?year?=?1900,?size_t?month?=?1,?size_t?day?=?1) {if?(year?>?0?&&?month?>?0?&&?month<13?&&?day>0?&&?day?<=?_GetMonthDay(year,?month)){_year?=?year;_month?=?month;_day?=?day;}else{cout?<<?"初始化數據非法"?<<?endl;_year?=?1900;_month?=?1;_day?=?1;} }//拷貝和構造函數 Date::Date(const?Date?&?d) {_year?=?d._year;_month?=?d._month;_day?=?d._day; }//析構函數 Date::~Date() {//do_nothing }/*操作符重載*/ bool?Date::operator==(const?Date?&?d) {return?(_year?==?d._year)&&?(_month?==?d._month)&&?(_day?==?d._day); }bool?Date::operator>(const?Date?&?d) {if?(_year?>?d._year){return?true;}else?if?(_year?==?d._year?&&?_month?>?d._month){return?true;}else?if?(_year?==?d._year?&&?_month?==?d._month?&&?_day?>?d._day){return?true;}return?false; }bool?Date::operator<(const?Date?&?d) {return?!(*this?==?d)?&&?!(*this?>?d); }bool?Date::operator>=(const?Date?&?d) {return?(*this?==?d)?||?(*this?>?d); }bool?Date::operator<=(const?Date?&?d) {return?!(*this?>?d); }Date?Date::operator=(const?Date?&?d) {_year?=?d._year;_month?=?d._month;_day?=?d._day;return?*this; }/*日期類操作*/ //判斷是否為閏年 bool?Date::_IsLeapYear(size_t?year) {return?((0?==?year?%?4?&&?0?!=?year?%?100)?||?(0?==?year?%?400)); }//返回指定月的天數 size_t?Date::_GetMonthDay(size_t?year,?size_t?month) {size_t?MonthArray[13]?=?{?0,?31,?28,?31,?30,?31,?30,?31,?31,?30,?31,?30,?31?};size_t?MonthDays?=?MonthArray[month];bool?ret;if?((2?==?month)?&&?(ret?=?_IsLeapYear(year))){MonthDays?=?29;}return?MonthDays; }//一個日期加上多少天數后的日期 Date?Date::operator+?(size_t?day) {size_t?MonthArray[13]?=?{?0,?31,?28,?31,?30,?31,?30,?31,?31,?30,?31,?30,?31?};Date?tmp(*this);size_t?SumDays?=?tmp._day?+?day;while?(true){if?(SumDays?<=?_GetMonthDay(tmp._year,?tmp._month)){tmp._day?=?SumDays;return?tmp;}else{SumDays?-=?_GetMonthDay(tmp._year,?tmp._month);tmp._month++;if?(tmp._month?>?12){tmp._year++;tmp._month?%=?12;}}} }//把該日期改為加上指定數目的天數后的日期 Date&?Date::operator+=?(size_t?day) {*this?=?operator+(day);return?*this; }//一個日期減上多少天數后的日期? Date?Date::operator-?(size_t?day) {size_t?MonthArray[13]?=?{?0,?31,?28,?31,?30,?31,?30,?31,?31,?30,?31,?30,?31?};Date?tmp(*this);size_t?SumDays?=?tmp._day?+?day;while?(true){if?(day?<?tmp._day){tmp._day?-=?day;return?tmp;}else{day?-=?tmp._day;if?(1?==?tmp._month){tmp._year--;tmp._month?=?12;}else{tmp._month--;}tmp._day?=?_GetMonthDay(tmp._year,?tmp._month);}} }//把該日期改為減上指定數目的天數后的日期 Date&?Date::operator-=?(size_t?day) {*this?=?operator-(day);return?*this; }//該日期加1（前置++） Date&?Date::operator++() {++_day;if?(_day?>?_GetMonthDay(_year,?_month)){_day?%=?_GetMonthDay(_year,?_month);++_month;if?(_month?>?12){++_year;_month?%=?12;}}return?*this; }//日期加1（后置++） Date?Date::operator++(int) {Date?tmp(*this);*this?=?operator++();return?tmp; }//該日期減1（前置--） Date&?Date::operator--() {if?(_day?>?1){--_day;}else{if?(1?==?_month){--_year;_month?=?12;_day?=?_GetMonthDay(_year,_month);}else{--_month;_day?=?_GetMonthDay(_year,?_month);}}return?*this; }//該日期減1（后置--） Date?Date::operator--(int) {Date?tmp(*this);*this?=?operator--();return?tmp; }//返回指定日期減去該日期后的天數 int?Date::operator-(const?Date?&?d) {//異常：該日期比被減日期小if?(d._year?<?_year){return?-1;}else?if?(d._year?==?_year?&&?d._month?<?_month){return?-1;}else?if?(d._year?==?_year?&&?d._month?==?_month?&&?d._day?<?_day){return?-1;}//正常情況Date?tmp_d(d);Date?tmp_d_day(*this);int?ret?=?0;while?(!(tmp_d?==?tmp_d_day)){tmp_d_day.operator++();ret++;}return?ret; } /*------------------------------------部分測試用例-------------------------------------*/#?include?"Date.h"//測試operator<=() void?Test7() {//falseDate?d1(2016,?1,?12);Date?d2(2016,?1,?11);bool?ret?=?d1?<=?d2;d1.Display();d2.Display();cout?<<?ret?<<?endl;//falseDate?d3(2016,?1,?12);Date?d4(2015,?1,?12);ret?=?d3?<=?d4;d3.Display();d4.Display();cout?<<?ret?<<?endl;//trueDate?d5(2016,?1,?12);Date?d6(2016,?1,?13);ret?=?d5?<=?d6;d5.Display();d6.Display();cout?<<?ret?<<?endl;//falseDate?d7(2016,?1,?12);Date?d8(2016,?1,?12);ret?=?d7?<=?d8;d7.Display();d8.Display();cout?<<?ret?<<?endl;} //測試operator>=() void?Test6() {//trueDate?d1(2016,?1,?12);Date?d2(2016,?1,?11);bool?ret?=?d1?>=?d2;d1.Display();d2.Display();cout?<<?ret?<<?endl;//trueDate?d3(2016,?1,?12);Date?d4(2015,?1,?12);ret?=?d3?>=?d4;d3.Display();d4.Display();cout?<<?ret?<<?endl;//falseDate?d5(2016,?1,?12);Date?d6(2016,?1,?13);ret?=?d5?>=?d6;d5.Display();d6.Display();cout?<<?ret?<<?endl;//trueDate?d7(2016,?1,?12);Date?d8(2016,?1,?12);ret?=?d7?>=?d8;d7.Display();d8.Display();cout?<<?ret?<<?endl; } //測試operator<() void?Test5() {//falseDate?d1(2016,?1,?12);Date?d2(2016,?1,?11);bool?ret?=?d1?<?d2;d1.Display();d2.Display();cout?<<?ret?<<?endl;//falseDate?d3(2016,?1,?12);Date?d4(2015,?1,?12);ret?=?d3?<?d4;d3.Display();d4.Display();cout?<<?ret?<<?endl;//trueDate?d5(2016,?1,?12);Date?d6(2016,?1,?13);ret?=?d5?<?d6;d5.Display();d6.Display();cout?<<?ret?<<?endl; }//測試operator>() void?Test4() {//trueDate?d1(2016,?1,?12);Date?d2(2016,?1,?11);bool?ret?=?d1?>?d2;d1.Display();d2.Display();cout?<<?ret?<<?endl;//falseDate?d3(2016,?1,?12);Date?d4(2016,?1,?12);ret?=?d3?>?d4;d3.Display();d4.Display();cout?<<?ret?<<?endl;//falseDate?d5(2016,?1,?12);Date?d6(2016,?1,?13);ret?=?d5?>?d6;d5.Display();d6.Display();cout?<<?ret?<<?endl;}//測試operator== void?Test3() {//falseDate?d1(2016,?1,?12);Date?d2(2016,?1,?11);bool?ret?=?d1?==?d2;d1.Display();d2.Display();cout?<<?ret?<<?endl;//trueDate?d3(2016,?2,?12);Date?d4(2016,?1,?12);ret?=?d3?==?d4;d3.Display();d4.Display();cout?<<?ret?<<?endl;//falseDate?d5(2016,?1,?12);Date?d6(2016,?1,?13);ret?=?d5?==?d6;d5.Display();d6.Display();cout?<<?ret?<<?endl;}//測試Date(const?Date?&?d) void?Test2() {Date?d1(2016,?1,?12);d1.Display();Date?d2(d1);d2.Display();Date?d3?=?d1;d3.Display(); }//測試Date(size_t?year?=?0,?size_t?month?=?0,?size_t?day?=?0) void?Test1() {Date?d(2016,?1,?12);d.Display(); }//測試operator+?(size_t?day) void?Test() {Date?d1(2016,?1,?13);d1.Display();cout?<<?"+366天"?<<?endl;Date?ret?=?d1.operator+?(366);ret.Display(); }//測試operator+=?(size_t?day) void?Test8() {Date?d1(2016,?1,?13);d1.Display();cout?<<?"+10天"?<<?endl;Date?ret?=?d1.operator+=?(18);ret.Display(); }//測試operator-?(size_t?day) void?Test9() {Date?d1(2016,?1,?10);d1.Display();cout?<<?"+375天"?<<?endl;Date?ret?=?d1.operator-?(375);ret.Display(); }//測試operator++()/operator++(int) void?Test10() {Date?d1(2016,?2,?29);d1.operator++();d1.Display();Date?d2(2016,?3,?3);d2.operator--();d2.Display(); }//測試operator--(int)/operator--() void?Test11() {Date?d1(2016,?12,?31);Date?ret?=?d1.operator++(int());ret.Display();Date?d2(2016,?12,?31);ret?=?d2.operator--(int());ret.Display(); }//測試operator-(const?Date?&?d) void?Test12() {Date?d1(2016,?1,?13);Date?d2(1970,?1,?1);int?ret?=?d2.operator-(d1);cout?<<?"起始日期"?<<?endl;d2.Display();cout?<<?"截止日期"?<<?endl;d1.Display();cout<<"間隔"<<?ret?<<?"天"?<<?endl; }int?main() {//Test();//Test1();//Test2();//Test3();//Test4();//Test5();//Test6();//Test7();//Test8();//Test9();//Test10();//Test11();Test12();system("pause");return?0; }

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