标签:http 一个 protect TE str div cte inf 技术分享
1 //使派生类C只有公共基类A的一个成员变量a 2 #include<iostream.h> 3 4 class A{ 5 protected: 6 int a; 7 public: 8 A(int aa){ 9 a=aa; 10 } 11 ~A(){} 12 }; 13 14 class B1:virtual public A{ 15 protected: 16 int b1; 17 public: 18 B1(int aa,int bb1):A(aa){ 19 b1=bb1; 20 } 21 ~B1(){} 22 }; 23 24 class B2:virtual public A{ 25 protected: 26 int b2; 27 public: 28 B2(int aa,int bb2):A(aa){ 29 b2=bb2; 30 } 31 ~B2(){} 32 }; 33 34 35 class C:public B1,public B2{ 36 protected: 37 int c; 38 public: 39 // C(int aa1,int aa2,int aa3,int bb1,int bb2,int cc):A(aa1),B1(aa2,bb1),B2(aa3,bb2){ 40 // c=cc; 41 // } 42 43 C(int aa,int bb1,int bb2,int cc):A(aa),B1(aa,bb1),B2(aa,bb2){ 44 c=cc; 45 } 46 ~C(){} 47 void printA()const{ 48 cout<<"a="<<a<<endl; 49 } 50 }; 51 int main(){ 52 C myC(1,2,3,4); 53 myC.printA(); 54 return 0; 55 }
标签:http 一个 protect TE str div cte inf 技术分享
原文地址:https://www.cnblogs.com/Tobi/p/9250549.html