34 lines
472 B
C++
34 lines
472 B
C++
#pragma once
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#ifndef _MANAGER_H_
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#define _MANAGER_H_
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//单例模板类
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template <typename T>
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class Manager
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{
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public:
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static T* instance()
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{
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if (!manager)
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manager = new T();
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return manager;
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}
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private:
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static T* manager;
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protected:
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Manager() = default;
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~Manager() = default;
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Manager(const Manager&) = delete;//删除拷贝构造函数
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Manager& operator=(const Manager&) = delete;//删除赋值操作符
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};
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template <typename T>
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T* Manager<T>::manager = nullptr;
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#endif |