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            Error

            C++博客 首頁 新隨筆 聯(lián)系 聚合 管理
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            class CBase
            {
            public:
            int i[255];
            };
            class CSubA : public CBase
            {
            public:
            int m_iA[255];
            };
            class CSubC : public CBase
            {
            public:
            int m_iC[255];
            };
            class CSubSub : public CSubA, public CSubC
            {
            public:
            int m_iss[255];
            };
            int _tmain(int argc, _TCHAR* argv[])
            {
            //CFieldManager fieldManager;
            //fieldManager.RegisterType("", "", 1, 1);
            //unsigned short i = 0x123;
            //unsigned short usMax = USHRT_MAX;
            //std::cout << std::setfill ('0') << std::setw(4) <<  std::hex << i << std::endl;
            //std::cout << std::dec << 9 << std::endl;
            //std::hash_map<std::string, std::string> testMap;
            //std::string strTem;
            //testMap["123"] = "123";
            //testMap.find(strTem);
            //double dResult = 2.f / 3.f;
            //TestCounting();
            //TestList();
            //while (true)
            {
            CSubA * pSubA = new CSubA;
            CBase * pBaseA = pSubA;
            CSubC * pSubC = new CSubC;
            CBase * pBaseC = pSubC;
            std::cout << reinterpret_cast<unsigned int>(pBaseA) << std::endl;
            std::cout << reinterpret_cast<unsigned int>(pSubA) << std::endl;
            std::cout << reinterpret_cast<unsigned int>(pBaseA) << std::endl;
            std::cout << reinterpret_cast<unsigned int>(pSubC) << std::endl;
            delete pBaseA;
            delete pBaseC;
            CSubSub * pSubSub = new CSubSub;
            CSubA * pSubATest =  pSubSub;
            delete pSubATest;
            pSubSub = new CSubSub;
            CSubC* pSubCTest = pSubSub;
            delete pSubCTest;
            int i = 0;
            }
            return 0;
            }
            posted on 2013-03-19 17:58 Enic 閱讀(731) 評論(2)  編輯 收藏 引用

            評論

            # re: C++多重繼承時,用基類指針delete有坑 2013-03-20 09:47 劍孤寒
            敢把基類加上虛析構(gòu)函數(shù)么  回復  更多評論
              

            # re: C++多重繼承時,用基類指針delete有坑[未登錄] 2013-03-22 13:46 enic
            class CBase
            {
            public:
            int i[255];

            virtual ~CBase()
            {
            }
            };

            多謝大俠指點,加上以后能正常delete@劍孤寒
              回復  更多評論
              

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