commit 8218957b021792c4c516a22fff2b7c19cb1649d4
Author: Lenyiin <569963146@qq.com>
Date:   Wed Sep 4 20:08:52 2024 +0800

    博客 https://blog.lenyiin.com/cpp-date-class/ 的代码仓库

diff --git a/Linux/Date.cc b/Linux/Date.cc
new file mode 100644
index 0000000..2f660e6
--- /dev/null
+++ b/Linux/Date.cc
@@ -0,0 +1,179 @@
+#include "Date.hpp"
+using namespace Lenyiin;
+
+// 测试构造析构函数
+void TestDate_1()
+{
+    // 默认无参构造
+    Date d1;
+    // 默认有参构造
+    Date d2(2024, 9, 1);
+    // 拷贝构造
+    Date d3(d2);
+
+    // 测试输出功能
+    std::cout << "d1 为 " << d1 << std::endl;
+    std::cout << "d2 为 " << d2 << std::endl;
+    std::cout << "d3 为 " << d3 << std::endl;
+
+    // 赋值拷贝
+    d1 = d3;
+    std::cout << "d1 为" << d1 << std::endl;
+
+    // 测试闰年闰月
+    Date d4(2008, 2, 29);
+    std::cout << "d4 为" << d4 << std::endl;
+
+    // 测试日期有效性
+    Date d5(2007, 2, 29);
+    std::cout << "d5 为" << d5 << std::endl;
+}
+
+// 测试日期比较
+void TestDate_2()
+{
+    Date d1(2018, 3, 5);
+    Date d2(2019, 6, 20);
+    Date d3(d1);
+
+    // 测试 <
+    if (d1 < d2)
+    {
+        std::cout << d1 << " < " << d2 << std::endl;
+    }
+    if (d2 < d1)
+    {
+        std::cout << d2 << " < " << d1 << std::endl;
+    }
+
+    // 测试 ==    !=
+    if (d1 == d3)
+    {
+        std::cout << d1 << " == " << d3 << std::endl;
+    }
+    else
+    {
+        std::cout << d1 << " != " << d3 << std::endl;
+    }
+    if (d1 == d2)
+    {
+        std::cout << d1 << " == " << d2 << std::endl;
+    }
+    else
+    {
+        std::cout << d1 << " != " << d2 << std::endl;
+    }
+
+    // 测试 <=
+    if (d1 <= d2)
+    {
+        std::cout << d1 << " <= " << d2 << std::endl;
+    }
+    if (d2 <= d1)
+    {
+        std::cout << d2 << " <= " << d1 << std::endl;
+    }
+
+    // 测试 >
+    if (d1 > d2)
+    {
+        std::cout << d1 << " > " << d2 << std::endl;
+    }
+    if (d2 > d1)
+    {
+        std::cout << d2 << " > " << d1 << std::endl;
+    }
+
+    // 测试 >=
+    if (d1 >= d2)
+    {
+        std::cout << d1 << " >= " << d2 << std::endl;
+    }
+    if (d2 >= d1)
+    {
+        std::cout << d2 << " >= " << d1 << std::endl;
+    }
+}
+
+// 测试日期增减
+void TestDate_3()
+{
+    Date d1(2024, 9, 2);
+
+    // 测试打印函数
+    d1.Print();
+
+    // +
+    Date d2 = d1 + 100;
+    // +=
+    d1 += 100;
+    d1.Print();
+    d2.Print();
+
+    // -
+    d2 = d1 - 100;
+    // -=
+    d1 -= 100;
+    d1.Print();
+    d2.Print();
+
+    // += 负数
+    d2 = d1 + (-100);
+    d1 += -100;
+    d1.Print();
+    d2.Print();
+
+    // -= 负数
+    d2 = d1 - (-100);
+    d1 -= -100;
+    d1.Print();
+    d2.Print();
+}
+
+// 计算日期差
+void TestDate_4()
+{
+    Date d1(2024, 9, 2);
+
+    // 前置 ++    后置 ++
+    Date d2 = ++d1;
+    Date d3 = d1++;
+    d1.Print();
+    d2.Print();
+    d3.Print();
+
+    // 前置 --    后置 --
+    d2 = --d1;
+    d3 = d1--;
+    d1.Print();
+    d2.Print();
+    d3.Print();
+
+    // 日期差值
+    Date d4 = d1 + 100;
+    std::cout << d4 << " - " << d1 << " = " << d4 - d1 << std::endl;
+
+    // 日期修改
+    Date d5(2024, 9, 2);
+    std::cout << "修改前的 d5 为" << d5 << std::endl;
+    d5[0] = 2066, d5[1] = 6, d5[2] = 6;
+    std::cout << "修改后的 d5 为" << d5 << std::endl;
+
+    // 测试输入
+    Date d6;
+    std::cin >> d6;
+    std::cout << "d6 为" << d6 << std::endl;
+}
+
+int main()
+{
+    // TestDate_1();
+
+    // TestDate_2();
+
+    // TestDate_3();
+
+    TestDate_4();
+
+    return 0;
+}
\ No newline at end of file
diff --git a/Linux/Date.hpp b/Linux/Date.hpp
new file mode 100644
index 0000000..2e2777e
--- /dev/null
+++ b/Linux/Date.hpp
@@ -0,0 +1,301 @@
+#pragma once
+
+#include <iostream>
+
+namespace Lenyiin
+{
+    class Date
+    {
+    private:
+        friend std::ostream &operator<<(std::ostream &_cout, const Date &d);
+        friend std::istream &operator>>(std::istream &_cin, Date &d);
+
+        // 判断是否为闰年
+        bool isLeapYear(int year) const
+        {
+            return (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
+        }
+
+        // 获取任意月份的天数
+        int GetMonthDay(int year, int month)
+        {
+            static int monthArray[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
+            int day = monthArray[month];
+
+            // 判断是否是闰年闰月
+            if (month == 2 && isLeapYear(year))
+            {
+                day = 29;
+            }
+
+            return day;
+        }
+
+        // 验证日期的有效性
+        bool isValidDate(int year, int month, int day)
+        {
+            // 月份必须在 1 到 12 之间
+            if (month < 1 || month > 12)
+            {
+                return false;
+            }
+
+            // 日期必须在 1 到 当月最大天数 之间
+            return day >= 1 && day <= GetMonthDay(year, month);
+        }
+
+    public:
+        // 构造函数
+        Date(int year = 2024, int month = 1, int day = 1)
+        {
+            if (!isValidDate(year, month, day))
+            {
+                std::cerr << "Invalid date!" << std::endl;
+                exit(1); // 终止程序, 日期无效
+            }
+
+            _year = year;
+            _month = month;
+            _day = day;
+        }
+
+        // 拷贝构造
+        Date(const Date &d)
+            : _year(d._year), _month(d._month), _day(d._day)
+        {
+        }
+
+        void Print()
+        {
+            std::cout << _year << "-" << _month << "-" << _day << std::endl;
+        }
+
+        // 赋值运算符重载
+        // 运算符重载，是为了让自定义类型可以像内置类型一样去使用运算符
+        // 自定义类型传参数和返回值时，在可以的情况下，尽量使用引用，减少拷贝的开销
+        // d1.operator==(d2);
+        bool operator==(const Date &d) const // bool operator==(Date* this, const Date& d) const
+        {
+            if (this->_year == d._year && this->_month == d._month && this->_day == d._day)
+            {
+                return true;
+            }
+            return false;
+        }
+
+        // d1.operator<(&d2);
+        bool operator<(const Date &d) const // bool operator<(Date* this, const Date& d) const
+        {
+            if (this->_year < d._year)
+            {
+                return true;
+            }
+            else if (this->_year == d._year && this->_month < d._month)
+            {
+                return true;
+            }
+            else if (this->_year == d._year && this->_month == d._month && this->_day < d._day)
+            {
+                return true;
+            }
+            return false;
+        }
+
+        // d1 <= d2
+        // d1.operator<=(&d2);
+        bool operator<=(const Date &d) const // bool operator<=(Date* this, const Date& d) const
+        {
+            return (*this < d) || (*this == d); // 代码复用
+        }
+
+        // d1.operator>(d2);
+        bool operator>(const Date &d) const // bool operator>(Date* this, const Date& d) const
+        {
+            return d < *this; // 代码复用
+        }
+
+        // d1 >= d2
+        // d1.operator>=(&d2);
+        bool operator>=(const Date &d) const // bool operator>=(Date* this, const Date& d) const
+        {
+            return !(*this < d); // 代码复用
+        }
+
+        // d1 != d2
+        // d1.operator!=(&d2);
+        bool operator!=(const Date &d) const // bool operator!=(Date* this, const Date& d) const
+        {
+            return !(*this == d); // 代码复用
+        }
+
+        // d1.operator=(d2);
+        Date &operator=(const Date &d) // Date& operator=(Date* this, const Date& d)
+        {
+            if (*this != d)
+            {
+                _year = d._year;
+                _month = d._month;
+                _day = d._day;
+            }
+            return *this;
+        }
+
+        // d1.operator+=(int);
+        Date &operator+=(int day) // Date& operator+=(Date* this, int day)
+        {
+            if (day < 0)
+            {
+                return *this -= -day;
+            }
+
+            _day += day;
+            while (_day > GetMonthDay(_year, _month))
+            {
+                // 如果日期不合法，就要往月进位
+                _day -= GetMonthDay(_year, _month);
+                _month++;
+
+                // 如果月不合法，就要往年进位
+                if (_month > 12)
+                {
+                    _year++;
+                    _month = 1;
+                }
+            }
+
+            return *this;
+        }
+
+        // d1.operator+(int);
+        Date operator+(int day) // Date operator+(Date* this, int day)
+        {
+            Date ret(*this); // Date ret(this->_year, this->_month, this->_day);
+            return ret += day;
+        }
+
+        // d1.operator-=(int);
+        Date &operator-=(int day) // Date& operator-=(Date* this, int day)
+        {
+            if (day < 0)
+            {
+                return *this += -day;
+            }
+
+            _day -= day;
+            while (_day < 1)
+            {
+                // 如果日期不合法, 就要往月退位, 月不合法就要往年退位
+                _month--;
+                if (_month == 0)
+                {
+                    _year--;
+                    _month = 12;
+                }
+                _day += GetMonthDay(_year, _month);
+            }
+
+            return *this;
+        }
+
+        // d1.operator-(int);
+        Date operator-(int day) // Date operator-(Date* this, int day)
+        {
+            Date ret(*this);
+            return ret -= day;
+        }
+
+        // d1.operator++();	// 前置++
+        Date &operator++() // Date& operator++(Date* this)
+        {
+            *this += 1;
+            return *this; // 返回加之后的结果
+        }
+
+        // d1.operator++(int);	// 后置++
+        Date operator++(int) // Date operator++(Date* this, int)
+        {
+            Date ret(*this);
+            *this += 1;
+            return ret; // 返回加之前的结果
+        }
+
+        // d1.operator--();	// 前置--
+        Date &operator--() // Date& operator--(Date* this)
+        {
+            *this -= 1;
+            return *this;
+        }
+
+        // d1.operator--(int);	// 后置--
+        Date operator--(int) // Date operator--(Date* this, int)
+        {
+            Date ret(*this);
+            *this -= 1;
+            return ret;
+        }
+
+        // d1.operator-(d2);
+        int operator-(const Date &d) // int operator-(Date* this, const Date& d)
+        {
+            Date max = *this;
+            Date min = d;
+            int flag = 1;
+
+            if (*this < d)
+            {
+                max = d;
+                min = *this;
+                flag = -1;
+            }
+
+            int count = 0;
+            while (min != max)
+            {
+                ++min;
+                count++;
+            }
+
+            return count * flag;
+        }
+
+        // d1.operator[](int);
+        int &operator[](int index) // int& operator[](Date* this, int index)
+        {
+            if (index == 0)
+            {
+                return _year;
+            }
+            else if (index == 1)
+            {
+                return _month;
+            }
+            else if (index == 2)
+            {
+                return _day;
+            }
+        }
+
+        // 析构函数
+        ~Date()
+        {
+            std::cout << "~Date()" << std::endl;
+        }
+
+    private:
+        int _year;
+        int _month;
+        int _day;
+    };
+
+    std::ostream &operator<<(std::ostream &_cout, const Date &d)
+    {
+        _cout << d._year << "-" << d._month << "-" << d._day;
+        return _cout;
+    }
+
+    std::istream &operator>>(std::istream &_cin, Date &d)
+    {
+        _cin >> d._year >> d._month >> d._day;
+        return _cin;
+    }
+}
\ No newline at end of file
diff --git a/Linux/Makefile b/Linux/Makefile
new file mode 100644
index 0000000..74fcd5e
--- /dev/null
+++ b/Linux/Makefile
@@ -0,0 +1,5 @@
+date:Date.cc
+	g++ -o $@ $^
+.PHONY:clean
+clean:
+	rm -f date
\ No newline at end of file
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diff --git a/Windows_Date/.vs/Windows_Date/v17/ipch/AutoPCH/3de5b954c8b72439/DATE.ipch b/Windows_Date/.vs/Windows_Date/v17/ipch/AutoPCH/3de5b954c8b72439/DATE.ipch
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diff --git a/Windows_Date/Date.cpp b/Windows_Date/Date.cpp
new file mode 100644
index 0000000..b39f235
--- /dev/null
+++ b/Windows_Date/Date.cpp
@@ -0,0 +1,179 @@
+#include "Date.hpp"
+using namespace Lenyiin;
+
+// ���Թ�����������
+void TestDate_1()
+{
+    // Ĭ���޲ι���
+    Date d1;
+    // Ĭ���вι���
+    Date d2(2024, 9, 1);
+    // ��������
+    Date d3(d2);
+
+    // �����������
+    std::cout << "d1 Ϊ " << d1 << std::endl;
+    std::cout << "d2 Ϊ " << d2 << std::endl;
+    std::cout << "d3 Ϊ " << d3 << std::endl;
+
+    // ��ֵ����
+    d1 = d3;
+    std::cout << "d1 Ϊ" << d1 << std::endl;
+
+    // ������������
+    Date d4(2008, 2, 29);
+    std::cout << "d4 Ϊ" << d4 << std::endl;
+
+    // ������������
+    Date d5(2007, 2, 29);
+    std::cout << "d5 Ϊ" << d5 << std::endl;
+}
+
+// �������ڱȽ�
+void TestDate_2()
+{
+    Date d1(2018, 3, 5);
+    Date d2(2019, 6, 20);
+    Date d3(d1);
+
+    // ���� < 
+    if (d1 < d2)
+    {
+        std::cout << d1 << " < " << d2 << std::endl;
+    }
+    if (d2 < d1)
+    {
+        std::cout << d2 << " < " << d1 << std::endl;
+    }
+
+    // ���� ==    !=
+    if (d1 == d3)
+    {
+        std::cout << d1 << " == " << d3 << std::endl;
+    }
+    else
+    {
+        std::cout << d1 << " != " << d3 << std::endl;
+    }
+    if (d1 == d2)
+    {
+        std::cout << d1 << " == " << d2 << std::endl;
+    }
+    else
+    {
+        std::cout << d1 << " != " << d2 << std::endl;
+    }
+
+    // ���� <= 
+    if (d1 <= d2)
+    {
+        std::cout << d1 << " <= " << d2 << std::endl;
+    }
+    if (d2 <= d1)
+    {
+        std::cout << d2 << " <= " << d1 << std::endl;
+    }
+
+    // ���� >
+    if (d1 > d2)
+    {
+        std::cout << d1 << " > " << d2 << std::endl;
+    }
+    if (d2 > d1)
+    {
+        std::cout << d2 << " > " << d1 << std::endl;
+    }
+
+    //���� >=
+    if (d1 >= d2)
+    {
+        std::cout << d1 << " >= " << d2 << std::endl;
+    }
+    if (d2 >= d1)
+    {
+        std::cout << d2 << " >= " << d1 << std::endl;
+    }
+}
+
+// ������������
+void TestDate_3()
+{
+    Date d1(2024, 9, 2);
+
+    // ���Դ�ӡ����
+    d1.Print();
+
+    // +
+    Date d2 = d1 + 100;
+    // +=
+    d1 += 100;
+    d1.Print();
+    d2.Print();
+
+    // -
+    d2 = d1 - 100;
+    // -=
+    d1 -= 100;
+    d1.Print();
+    d2.Print();
+
+    // += ����
+    d2 = d1 + (-100);
+    d1 += -100;
+    d1.Print();
+    d2.Print();
+
+    // -= ����
+    d2 = d1 - (-100);
+    d1 -= -100;
+    d1.Print();
+    d2.Print();
+}
+
+// �������ڲ�
+void TestDate_4()
+{
+    Date d1(2024, 9, 2);
+
+    // ǰ�� ++    ���� ++
+    Date d2 = ++d1;
+    Date d3 = d1++;
+    d1.Print();
+    d2.Print();
+    d3.Print();
+
+    // ǰ�� --    ���� --
+    d2 = --d1;
+    d3 = d1--;
+    d1.Print();
+    d2.Print();
+    d3.Print();
+
+    // ���ڲ�ֵ
+    Date d4 = d1 + 100;
+    std::cout << d4 << " - " << d1 << " = " << d4 - d1 << std::endl;
+
+    // �����޸�
+    Date d5(2024, 9, 2);
+    std::cout << "�޸�ǰ�� d5 Ϊ" << d5 << std::endl;
+    d5[0] = 2066, d5[1] = 6, d5[2] = 6;
+    std::cout << "�޸ĺ�� d5 Ϊ" << d5 << std::endl;
+
+    // ��������
+    Date d6;
+    std::cin >> d6;
+    std::cout << "d6 Ϊ" << d6 << std::endl;
+}
+
+int main()
+{
+    //TestDate_1();
+
+    //TestDate_2();
+
+    //TestDate_3();
+
+    TestDate_4();
+
+    return 0;
+}
\ No newline at end of file
diff --git a/Windows_Date/Date.hpp b/Windows_Date/Date.hpp
new file mode 100644
index 0000000..e500c4e
--- /dev/null
+++ b/Windows_Date/Date.hpp
@@ -0,0 +1,302 @@
+#pragma once
+
+#include <iostream>
+
+namespace Lenyiin
+{
+	class Date
+	{
+	private:
+		friend std::ostream& operator<<(std::ostream& _cout, const Date& d);
+		friend std::istream& operator>>(std::istream& _cin, Date& d);
+
+		// �ж��Ƿ�Ϊ����
+		bool isLeapYear(int year) const
+		{
+			return (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
+		}
+
+		// ��ȡ�����·ݵ�����
+		int GetMonthDay(int year, int month)
+		{
+			static int monthArray[13] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
+			int day = monthArray[month];
+
+			// �ж��Ƿ�����������
+			if (month == 2 && isLeapYear(year))
+			{
+				day = 29;
+			}
+
+			return day;
+		}
+
+		// ��֤���ڵ���Ч��
+		bool isValidDate(int year, int month, int day)
+		{
+			// �·ݱ����� 1 �� 12 ֮��
+			if (month < 1 || month > 12)
+			{
+				return false;
+			}
+
+			// ���ڱ����� 1 �� ����������� ֮��
+			return day >= 1 && day <= GetMonthDay(year, month);
+		}
+
+	public:
+		// ���캯��
+		Date(int year = 2024, int month = 1, int day = 1)
+		{
+			if (!isValidDate(year, month, day))
+			{
+				std::cerr << "Invalid date!" << std::endl;
+				exit(1);	// ��ֹ����, ������Ч
+			}
+
+			_year = year;
+			_month = month;
+			_day = day;
+		}
+
+		// ��������
+		Date(const Date& d)
+			: _year(d._year), _month(d._month), _day(d._day)
+		{
+
+		}
+
+		void Print()
+		{
+			std::cout << _year << "-" << _month << "-" << _day << std::endl;
+		}
+
+		// ��ֵ���������
+		// ��������أ���Ϊ�����Զ������Ϳ�������������һ��ȥʹ�������
+		// �Զ������ʹ������ͷ���ֵʱ���ڿ��Ե�����£�����ʹ�����ã����ٿ����Ŀ���
+		// d1.operator==(d2);
+		bool operator==(const Date& d) const	// bool operator==(Date* this, const Date& d) const
+		{
+			if (this->_year == d._year && this->_month == d._month && this->_day == d._day)
+			{
+				return true;
+			}
+			return false;
+		}
+
+		// d1.operator<(&d2);
+		bool operator<(const Date& d) const	// bool operator<(Date* this, const Date& d) const
+		{
+			if (this->_year < d._year)
+			{
+				return true;
+			}
+			else if (this->_year == d._year && this->_month < d._month)
+			{
+				return true;
+			}
+			else if (this->_year == d._year && this->_month == d._month && this->_day < d._day)
+			{
+				return true;
+			}
+			return false;
+		}
+
+		// d1 <= d2
+		// d1.operator<=(&d2);
+		bool operator<=(const Date& d) const // bool operator<=(Date* this, const Date& d) const
+		{
+			return (*this < d) || (*this == d); // ���븴��
+		}
+
+		// d1.operator>(d2);
+		bool operator>(const Date& d) const	// bool operator>(Date* this, const Date& d) const
+		{
+			return d < *this;	// ���븴��
+		}
+
+		// d1 >= d2
+		// d1.operator>=(&d2);
+		bool operator>=(const Date& d) const // bool operator>=(Date* this, const Date& d) const
+		{
+			return !(*this < d); // ���븴��
+		}
+
+		// d1 != d2
+		// d1.operator!=(&d2);
+		bool operator!=(const Date& d) const // bool operator!=(Date* this, const Date& d) const
+		{
+			return !(*this == d); // ���븴��
+		}
+
+		// d1.operator=(d2);
+		Date& operator=(const Date& d) // Date& operator=(Date* this, const Date& d)
+		{
+			if (*this != d)
+			{
+				_year = d._year;
+				_month = d._month;
+				_day = d._day;
+			}
+			return *this;
+		}
+
+		// d1.operator+=(int);
+		Date& operator+=(int day)	// Date& operator+=(Date* this, int day)
+		{
+			if (day < 0)
+			{
+				return *this -= -day;
+			}
+
+			_day += day;
+			while (_day > GetMonthDay(_year, _month))
+			{
+				// ������ڲ��Ϸ�����Ҫ���½�λ
+				_day -= GetMonthDay(_year, _month);
+				_month++;
+
+				// ����²��Ϸ�����Ҫ�����λ
+				if (_month > 12)
+				{
+					_year++;
+					_month = 1;
+				}
+			}
+
+			return *this;
+		}
+
+		// d1.operator+(int);
+		Date operator+(int day)	// Date operator+(Date* this, int day)
+		{
+			Date ret(*this);	// Date ret(this->_year, this->_month, this->_day);
+			return ret += day;
+		}
+
+		// d1.operator-=(int);
+		Date& operator-=(int day) // Date& operator-=(Date* this, int day)
+		{
+			if (day < 0)
+			{
+				return *this += -day;
+			}
+
+			_day -= day;
+			while (_day < 1)
+			{
+				// ������ڲ��Ϸ�, ��Ҫ������λ, �²��Ϸ���Ҫ������λ
+				_month--;
+				if (_month == 0)
+				{
+					_year--;
+					_month = 12;
+				}
+				_day += GetMonthDay(_year, _month);
+			}
+
+			return *this;
+		}
+
+		// d1.operator-(int);
+		Date operator-(int day) // Date operator-(Date* this, int day)
+		{
+			Date ret(*this);
+			return ret -= day;
+		}
+
+		// d1.operator++();	// ǰ��++
+		Date& operator++()	// Date& operator++(Date* this)
+		{
+			*this += 1;
+			return *this;	// ���ؼ�֮��Ľ��
+		}
+
+		// d1.operator++(int);	// ����++
+		Date operator++(int) 	// Date operator++(Date* this, int)
+		{
+			Date ret(*this);
+			*this += 1;
+			return ret;			// ���ؼ�֮ǰ�Ľ��
+		}
+
+		// d1.operator--();	// ǰ��--
+		Date& operator--() 	// Date& operator--(Date* this)
+		{
+			*this -= 1;
+			return *this;
+		}
+
+		// d1.operator--(int);	// ����--
+		Date operator--(int) 	// Date operator--(Date* this, int)
+		{
+			Date ret(*this);
+			*this -= 1;
+			return ret;
+		}
+
+		// d1.operator-(d2);
+		int operator-(const Date& d)	// int operator-(Date* this, const Date& d)
+		{
+			Date max = *this;
+			Date min = d;
+			int flag = 1;
+
+			if (*this < d)
+			{
+				max = d;
+				min = *this;
+				flag = -1;
+			}
+
+			int count = 0;
+			while (min != max)
+			{
+				++min;
+				count++;
+			}
+
+			return count * flag;
+		}
+
+		// d1.operator[](int);
+		int& operator[](int index) // int& operator[](Date* this, int index)
+		{
+			if (index == 0)
+			{
+				return _year;
+			}
+			else if (index == 1)
+			{
+				return _month;
+			}
+			else if (index == 2)
+			{
+				return _day;
+			}
+		}
+
+		// ��������
+		~Date()
+		{
+			std::cout << "~Date()" << std::endl;
+		}
+
+	private:
+		int _year;
+		int _month;
+		int _day;
+	};
+
+	std::ostream& operator<<(std::ostream& _cout, const Date& d)
+	{
+		_cout << d._year << "-" << d._month << "-" << d._day;
+		return _cout;
+	}
+
+	std::istream& operator>>(std::istream& _cin, Date& d)
+	{
+		_cin >> d._year >> d._month >> d._day;
+		return _cin;
+	}
+}
\ No newline at end of file
diff --git a/Windows_Date/Windows_Date.sln b/Windows_Date/Windows_Date.sln
new file mode 100644
index 0000000..d340c9d
--- /dev/null
+++ b/Windows_Date/Windows_Date.sln
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.7.34221.43
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Windows_Date", "Windows_Date.vcxproj", "{E23EDFCA-3BC8-4847-9E19-7321D4E46286}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{E23EDFCA-3BC8-4847-9E19-7321D4E46286}.Debug|x64.ActiveCfg = Debug|x64
+		{E23EDFCA-3BC8-4847-9E19-7321D4E46286}.Debug|x64.Build.0 = Debug|x64
+		{E23EDFCA-3BC8-4847-9E19-7321D4E46286}.Debug|x86.ActiveCfg = Debug|Win32
+		{E23EDFCA-3BC8-4847-9E19-7321D4E46286}.Debug|x86.Build.0 = Debug|Win32
+		{E23EDFCA-3BC8-4847-9E19-7321D4E46286}.Release|x64.ActiveCfg = Release|x64
+		{E23EDFCA-3BC8-4847-9E19-7321D4E46286}.Release|x64.Build.0 = Release|x64
+		{E23EDFCA-3BC8-4847-9E19-7321D4E46286}.Release|x86.ActiveCfg = Release|Win32
+		{E23EDFCA-3BC8-4847-9E19-7321D4E46286}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {CB230911-DB6C-4E35-ABA2-5F9A64C579A4}
+	EndGlobalSection
+EndGlobal
diff --git a/Windows_Date/Windows_Date.vcxproj b/Windows_Date/Windows_Date.vcxproj
new file mode 100644
index 0000000..a2257b7
--- /dev/null
+++ b/Windows_Date/Windows_Date.vcxproj
@@ -0,0 +1,138 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>17.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{e23edfca-3bc8-4847-9e19-7321d4e46286}</ProjectGuid>
+    <RootNamespace>WindowsDate</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClInclude Include="Date.hpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="Date.cpp" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
diff --git a/Windows_Date/Windows_Date.vcxproj.filters b/Windows_Date/Windows_Date.vcxproj.filters
new file mode 100644
index 0000000..a942e54
--- /dev/null
+++ b/Windows_Date/Windows_Date.vcxproj.filters
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="源文件">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="头文件">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="资源文件">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="Date.hpp">
+      <Filter>头文件</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="Date.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/Windows_Date/Windows_Date.vcxproj.user b/Windows_Date/Windows_Date.vcxproj.user
new file mode 100644
index 0000000..88a5509
--- /dev/null
+++ b/Windows_Date/Windows_Date.vcxproj.user
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup />
+</Project>
\ No newline at end of file
diff --git a/Windows_Date/x64/Debug/Date.obj b/Windows_Date/x64/Debug/Date.obj
new file mode 100644
index 0000000..b0f21f6
Binary files /dev/null and b/Windows_Date/x64/Debug/Date.obj differ
diff --git a/Windows_Date/x64/Debug/Windows_Date.exe b/Windows_Date/x64/Debug/Windows_Date.exe
new file mode 100644
index 0000000..84222a0
Binary files /dev/null and b/Windows_Date/x64/Debug/Windows_Date.exe differ
diff --git a/Windows_Date/x64/Debug/Windows_Date.exe.recipe b/Windows_Date/x64/Debug/Windows_Date.exe.recipe
new file mode 100644
index 0000000..07fca62
--- /dev/null
+++ b/Windows_Date/x64/Debug/Windows_Date.exe.recipe
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project>
+  <ProjectOutputs>
+    <ProjectOutput>
+      <FullPath>E:\Git 仓库\公开仓库\1_Date\Windows_Date\x64\Debug\Windows_Date.exe</FullPath>
+    </ProjectOutput>
+  </ProjectOutputs>
+  <ContentFiles />
+  <SatelliteDlls />
+  <NonRecipeFileRefs />
+</Project>
\ No newline at end of file
diff --git a/Windows_Date/x64/Debug/Windows_Date.ilk b/Windows_Date/x64/Debug/Windows_Date.ilk
new file mode 100644
index 0000000..ced636e
Binary files /dev/null and b/Windows_Date/x64/Debug/Windows_Date.ilk differ
diff --git a/Windows_Date/x64/Debug/Windows_Date.log b/Windows_Date/x64/Debug/Windows_Date.log
new file mode 100644
index 0000000..58fffbd
--- /dev/null
+++ b/Windows_Date/x64/Debug/Windows_Date.log
@@ -0,0 +1,3 @@
+  Date.cpp
+E:\Git 仓库\公开仓库\1_Date\Windows_Date\Date.hpp(277): warning C4715: “Lenyiin::Date::operator[]”: 不是所有的控件路径都返回值
+  Windows_Date.vcxproj -> E:\Git 仓库\公开仓库\1_Date\Windows_Date\x64\Debug\Windows_Date.exe
diff --git a/Windows_Date/x64/Debug/Windows_Date.pdb b/Windows_Date/x64/Debug/Windows_Date.pdb
new file mode 100644
index 0000000..7a215d6
Binary files /dev/null and b/Windows_Date/x64/Debug/Windows_Date.pdb differ
diff --git a/Windows_Date/x64/Debug/Windows_Date.tlog/CL.command.1.tlog b/Windows_Date/x64/Debug/Windows_Date.tlog/CL.command.1.tlog
new file mode 100644
index 0000000..f9b18ba
Binary files /dev/null and b/Windows_Date/x64/Debug/Windows_Date.tlog/CL.command.1.tlog differ
diff --git a/Windows_Date/x64/Debug/Windows_Date.tlog/CL.read.1.tlog b/Windows_Date/x64/Debug/Windows_Date.tlog/CL.read.1.tlog
new file mode 100644
index 0000000..1782230
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diff --git a/Windows_Date/x64/Debug/Windows_Date.tlog/CL.write.1.tlog b/Windows_Date/x64/Debug/Windows_Date.tlog/CL.write.1.tlog
new file mode 100644
index 0000000..5bf9972
Binary files /dev/null and b/Windows_Date/x64/Debug/Windows_Date.tlog/CL.write.1.tlog differ
diff --git a/Windows_Date/x64/Debug/Windows_Date.tlog/Cl.items.tlog b/Windows_Date/x64/Debug/Windows_Date.tlog/Cl.items.tlog
new file mode 100644
index 0000000..34b39e5
--- /dev/null
+++ b/Windows_Date/x64/Debug/Windows_Date.tlog/Cl.items.tlog
@@ -0,0 +1 @@
+E:\Git 仓库\公开仓库\1_Date\Windows_Date\Date.cpp;E:\Git 仓库\公开仓库\1_Date\Windows_Date\x64\Debug\Date.obj
diff --git a/Windows_Date/x64/Debug/Windows_Date.tlog/Windows_Date.lastbuildstate b/Windows_Date/x64/Debug/Windows_Date.tlog/Windows_Date.lastbuildstate
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+++ b/Windows_Date/x64/Debug/Windows_Date.tlog/Windows_Date.lastbuildstate
@@ -0,0 +1,2 @@
+PlatformToolSet=v143:VCToolArchitecture=Native64Bit:VCToolsVersion=14.37.32822:TargetPlatformVersion=10.0.22000.0:
+Debug|x64|E:\Git 仓库\公开仓库\1_Date\Windows_Date\|
diff --git a/Windows_Date/x64/Debug/Windows_Date.tlog/link.command.1.tlog b/Windows_Date/x64/Debug/Windows_Date.tlog/link.command.1.tlog
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diff --git a/Windows_Date/x64/Debug/Windows_Date.vcxproj.FileListAbsolute.txt b/Windows_Date/x64/Debug/Windows_Date.vcxproj.FileListAbsolute.txt
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+++ b/Windows_Date/x64/Debug/Windows_Date.vcxproj.FileListAbsolute.txt
@@ -0,0 +1 @@
+E:\Git 仓库\公开仓库\1_Date\Windows_Date\x64\Debug\Windows_Date.exe
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