鍦?C++ 涓紝鍙互閫氳繃浣跨敤鎴愬憳鍑芥暟鎸囬拡鍜岀被鐨勫弸鍏冩潵璁块棶绉佹湁鎴愬憳銆備互涓嬫槸涓€涓畝鍗曠殑绀轰緥浠ｇ爜锛?/p>

#include <iostream>

class MyClass {
private:
    int privateMember;
public:
    MyClass(int value) : privateMember(value) {}

    int getPrivateMember() {
        return privateMember;
    }

    // 澹版槑涓哄弸鍏冨嚱鏁?/span>
    friend int getPrivateMemberUsingPointer(MyClass* obj);
};

// 鍙嬪厓鍑芥暟瀹氫箟
int getPrivateMemberUsingPointer(MyClass* obj) {
    return obj->privateMember;
}

int main() {
    MyClass obj(42);

    // 浣跨敤鎴愬憳鍑芥暟鎸囬拡璁块棶绉佹湁鎴愬憳
    int (MyClass::*ptr)() = &MyClass::getPrivateMember;
    std::cout << "Private member value: " << (obj.*ptr)() << std::endl;

    // 浣跨敤鍙嬪厓鍑芥暟璁块棶绉佹湁鎴愬憳
    std::cout << "Private member value using friend function: " << getPrivateMemberUsingPointer(&obj) << std::endl;

    return 0;
}

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