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#include "classmode.h"#include "stdio.h"#include "malloc.h"struct ClassParent{Vtbl* vptr;int mi;int mj;};struct ClassChild{ClassParent p;int mk;};//虚函数表数据结构 struct Vtbl{int (*padd)(Parent* pthis,int value);};//类对象虚函数表 static VtblParentVtbl={ParentAdd}; static VtblChildVtbl={ChildAdd}; int add(Parent* pthis,int value) //虚函数 {ClassParent* obj=(ClassParent*)pthis;return obj->vptr->padd(pthis,value);//调用具体对象的函数 };int ParentAdd(Parent* pthis,int value){ClassParent* obj = (ClassParent*)pthis;return obj->mi+ obj->mj+value;} int ChildAdd(Child* pthis,int value){ClassChild* obj = (ClassChild*)pthis;return obj->p.mi+obj->p.mj+obj->mk+value;} Parent* CreatClassParent(int i,int j){ClassParent* ret;ret=(ClassParent*)malloc(sizeof(ClassParent));if(ret!=NULL){ret->vptr=&ParentVtbl;ret->mi=i;ret->mj=j;}return ret;}void FreeClassParent(Parent* pthis){free(pthis);}int getI(Parent* pthis){ClassParent*obj = (ClassParent*)pthis;//解隐藏信息 return obj->mi;}int getJ(Parent* pthis){ClassParent*obj = (ClassParent*)pthis;//解隐藏信息 return obj->mj;}void setI(Parent* pthis,int i){ClassParent*obj = (ClassParent*)pthis;//解隐藏信息 obj->mi=i;}void setJ(Parent* pthis,int j){ClassParent*obj = (ClassParent*)pthis;//解隐藏信息 obj->mj=j;}void Pprintf(Parent* pthis){ClassParent*obj = (ClassParent*)pthis;//解隐藏信息 printf("mi=%d,mj=%d\n",obj->mi,obj->mj);}//子类 Child* CreatClassChild(int i,int j,int k){ClassChild* ret;ret=(ClassChild*)malloc(sizeof(ClassChild));if(ret!=NULL){ret->p.vptr=&ChildVtbl;ret->p.mi=i;ret->p.mj=j;ret->mk=k;}return ret;} void FreeClassChild(Child* pthis){free(pthis);}void Cprintf(Child* pthis){ClassChild*obj = (ClassChild*)pthis;//解隐藏信息 printf("mi=%d,mj=%d,mk=%d\n",obj->p.mi,obj->p.mj,obj->mk);}