#include
using namespace std;
class Goods
{
public:
Goods(int i);
void goodsOut();
int getWeight();
static int TotalWeight()
{return totalWeight;}
private:
int weight;
static int totalWeight;
};
int Goods::totalWeight=0;//此处先初始化啊，是初始化，就是声明一个变量是要先给个值，你//构//造函数里那不是初始化，是赋值，
Goods::Goods(int i){totalWeight=0;static totalWeight=i totalWeight;}
void Goods::goodsOut(){static totalWeight=totalWeight-weight;}
void main()
{
int w;
cin>>w;
Goods g1(w);
cout<}。
全部
