单例模式全局仅一个实例,用于获取公共的内容
头文件mglobalinfomgr.h
class MGlobalInfoMgr
{MGlobalInfoMgr();~MGlobalInfoMgr();
public:static MGlobalInfoMgr* GetInstance();
private:static MGlobalInfoMgr* _instance;
};
源文件mglobalinfomgr.cpp
MGlobalInfoMgr* MGlobalInfoMgr::_instance = NULL;
MGlobalInfoMgr::MGlobalInfoMgr()
{cout<<"new mgr";
}
MGlobalInfoMgr::~MGlobalInfoMgr()
{//
}
MGlobalInfoMgr* MGlobalInfoMgr::GetInstance()
{if(!_instance){_instance = new MGlobalInfoMgr();}return _instance;
}