第十章对象和类编程题

#include <iostream>
#include <string>
using namespace std;

class account
{
private:
    string name;
    string id;
    double deposit;
public:
    account();
    account(string n, string i, double d);
    void show() const;
    void account_in();
    void acocunt_out();
};
int main()
{
    account account1("zhengyuxin", "041933011", 100);
    account1.show();
    account1.account_in();
    account1.show();
    account1.acocunt_out();
    account1.show();


    return 0;
}

account::account()
{
    name = "none";
    id = "none";
    deposit = 0;
}

account::account(string n, string i, double d)
{
    name = n;
    id = i;
    deposit = d;
}

void account::show() const
{
    cout << "name: " << name << endl;
    cout << "id: " << id << endl;
    cout << "deposit: " << deposit << endl;
}

void account::account_in()
{
    cout << "请输入存钱数：" << endl;
    double x;
    cin >> x;
    deposit += x;
}

void account::acocunt_out()
{
    cout << "请输入取钱数： "  << endl;
    double x;
    cin >> x;
    if (x > deposit)
        cout << "错误" << endl;
    else
        deposit -=x;
}

来源：CSDN

作者：zl吉姆餐厅

链接：https://blog.csdn.net/qq_32631105/article/details/104479545