拷贝构造函数的应用场景 //Test.h class Test { public: Test() { cout << "Test()" << endl; m_x = 0; m_y = 0; } Test(int x, int y) { cout << "Test(int x, int y)" << endl; m_x = x; m_y = y; } Test(const Test& another) { cout << "Test(const Test& another)" <...