142 lines
3.1 KiB
C++
142 lines
3.1 KiB
C++
#include <iostream>
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#include <stack>
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#include <vector>
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using namespace std;
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class Date
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{
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// 重载 << 以显示日期
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friend ostream &operator<<(ostream &out, const Date &date)
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{
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out << date.year << "年" << date.month << "月" << date.day << "日";
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return out;
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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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public:
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Date(int y, int m, int d) : year(y), month(m), day(d) {}
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public:
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bool operator<(const Date &date) const
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{
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// if (year < date.year)
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// {
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// return true;
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// }
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// else if (year == date.year)
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// {
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// if (month < date.month)
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// {
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// return true;
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// }
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// else if (month == date.month)
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// {
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// if (day < date.day)
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// {
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// return true;
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// }
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// }
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// }
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// return false;
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return year < date.year ||
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(year == date.year && month < date.month) ||
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(year == date.year && month == date.month && day < date.day);
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}
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bool operator>(const Date &date) const
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{
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return year > date.year && month > date.month && day > date.day;
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}
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};
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class Worker
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{
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friend Worker &operator=(const Worker &other);
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// {
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// if (this != &other)
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// {
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// name = other.name;
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// hire_date = other.hire_date;
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// volume = other.volume;
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// }
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// return *this;
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// }
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private:
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string name; // 姓名
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Date hire_date; // 入职日期
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double volume; // 业绩
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public:
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Worker(const string &name, const Date &hire_date, double volume)
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: name(name), hire_date(hire_date), volume(volume) {}
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Worker(const Worker &other)
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{
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name = other.name;
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hire_date = other.hire_date;
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volume = other.volume;
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}
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~Worker()
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{
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cout << "析构函数被调用" << endl;
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}
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public:
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void show()
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{
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cout << "name = " << name << ", hire_date = " << hire_date << ", volume = " << volume << endl;
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}
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};
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Worker &operator=(const Worker &other)
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{
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name = other.name;
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hire_date = other.hire_date;
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volume = other.volume;
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}
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void sortByHireDate(Worker *p, int size)
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{
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for (int i = 0; i < size - 1; i++)
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int min = i;
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for (int j = i + 1; j < size; i++)
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{
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if (p[min].hire_date > p[j].hire_date)
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{
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min = j;
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}
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}
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if (min != i)
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{
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swap(p[min], p[i]);
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// Worker tmp = p[i]; // 拷贝构造
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// p[i] = p[min]; // operator= 重载
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// p[min] = tmp;
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}
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}
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void sortByVolume(Worker *p, int size)
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{
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}
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int main()
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{
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Worker w1("disen", Date(2020, 1, 15), 1000);
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Worker w2("zhangsan", Date(2020, 1, 16), 200);
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Worker w3("lisi", Date(2020, 2, 17), 400);
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Worker w4("wangwu", Date(2020, 2, 18), 900);
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Worker w5("zhaoliu", Date(2020, 2, 18), 100);
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Worker wrks[] = {w1, w2, w3, w4, w5};
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sortByHireDate(wrks, 5); // 先排序
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// vector<Worker> vec;
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// vec.assign(wrks, wrks + 5);
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w1.show();
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} |