44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
#include <iostream>
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#include <vector>
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#include <string>
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// 基类 CTimer
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class CTimer {
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protected:
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unsigned long timerID;
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public:
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CTimer(unsigned long id) : timerID(id) {}
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virtual ~CTimer() {}
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// 纯虚函数，子类必须重载
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virtual std::string GetTimeZone() const = 0;
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unsigned long GetTimerID() const {
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return timerID;
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}
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};
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// 子类 CBeijingTimer
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class CBeijingTimer : public CTimer {
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public:
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CBeijingTimer(unsigned long id) : CTimer(id) {}
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virtual ~CBeijingTimer() {}
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// 重载基类的虚函数
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virtual std::string GetTimeZone() const {
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return "Beijing Time";
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}
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};
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int main() {
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std::vector<CTimer*> timerList;
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// 创建一个北京时间的定时器并添加到列表中
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CTimer* beijingTimer = new CBeijingTimer(1);
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timerList.push_back(beijingTimer);
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// 查询当前所有创建的Timer并打印信息
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std::cout << "Timer List:" << std::endl;
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for (std::vector<CTimer*>::iterator it = timerList.begin(); it != timerList.end(); ++it) {
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std::cout << "Timer ID: " << (*it)->GetTimerID() << ", Time Zone: " << (*it)->GetTimeZone() << std::endl;
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}
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// 清理内存
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for (std::vector<CTimer*>::iterator it = timerList.begin(); it != timerList.end(); ++it) {
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delete *it;
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}
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timerList.clear();
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return 0;
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} |