标签:des style blog io color os sp for div
////////////////////////////////////// ///类析构以后,成员变量内存空间释放, ///函数 和 变量 还是可以引用的 ////////////////////////////////////// #include <iostream> using namespace std; class CTest { public: CTest(); ~CTest(); void Print() { cout<<"....."<<m_refCount<<endl; } void AddRef(); void ReleaseRef(); int GetRef() { return m_refCount; } void destroy(); private: int m_refCount; }; CTest::CTest() { m_refCount = 1; } CTest::~CTest() { } void CTest::AddRef() { ++m_refCount; Print(); } void CTest::ReleaseRef() { --m_refCount; Print(); if(m_refCount <= 0) { delete this; //return; Print(); } } void CTest::destroy() { delete this; } int main() { CTest* ct = new CTest; //一定要声明为指针,不然delete时会报错。 /*for(int _i = 0; _i < 5; ++_i) { ct->AddRef(); } for(int _i = 0; _i < 6; ++_i) { ct->ReleaseRef(); }*/ delete ct; ct->Print(); ct->AddRef(); ct->Print(); //system("pause"); return 0; }
标签:des style blog io color os sp for div
原文地址:http://www.cnblogs.com/felove2013/p/4121147.html