实现不在栈中产生对象-白红宇

实现不在栈中产生对象

阅读量：6281 次

发布时间：2019-06-22

本文共 1207 字，大约阅读时间需要 4 分钟。

1 #include "stdafx.h" 2 #include 
     
       3 #include 
      
        4 #include 
       
         5  6 class MyInt 7 { 8 private: 9     int  m_nYear;10     int  m_nMonth;11     int  m_nDay;12 public:13 14   MyInt(int nYear = 0, int nMonth = 0, int nDay = 0)15   {16     m_nYear = nYear;17     m_nMonth = nMonth;18     m_nDay = nDay;19   }20 21   MyInt(const MyInt& theObj)22   {23     m_nYear = theObj.m_nYear;24     m_nMonth = theObj.m_nMonth;25     m_nDay = theObj.m_nDay;26   }27 28   ~MyInt()29   {30     m_nDay = 0;  31   }32 33 public:34 //   operator int()35 //   {36 //     return m_nYear;37 //   }38 };39 40 41 class MyTest42 {43 private:44   MyTest()45   {46     cout << "产生对象了, 亲!" << endl;47   }48   ~MyTest()49   {50     cout << "开始析构了, 亲!" << endl;51   }52 53 public:54   void Destructor()55   {56     delete this;57   }58   static MyTest* NewMyTest()59   {60     return (new MyTest);61   }62 };63 64 65 66 int main(int argc, char* argv[])67 {68  69   // MyTest theT;  //  不能在栈中产生对象70   MyTest* lpT = MyTest::NewMyTest(); // 在堆中产生对象71 72   73   //  自己调用析构74 75   lpT->Destructor();76 77   return 0;78 }