完善上面ATM功能,使其c++代码行数添加到800行

好的，我来添加更多的功能以达到800行。

首先，我们可以添加一个菜单类（Menu），用于显示ATM系统的菜单选项，接收用户输入，并根据用户输入执行相应的操作。定义如下：

class Menu {
public:
    void show() {
        while (true) {
            cout << "=============================" << endl;
            cout << "ATM System Menu:" << endl;
            cout << "1. Create Account" << endl;
            cout << "2. Deposit" << endl;
            cout << "3. Withdraw" << endl;
            cout << "4. Check Balance" << endl;
            cout << "5. Transfer" << endl;
            cout << "6. List All Accounts" << endl;
            cout << "7. Delete Account" << endl;
            cout << "0. Exit" << endl;
            cout << "=============================" << endl;

            int choice;
            cout << "Enter your choice: ";
            cin >> choice;

            switch (choice) {
            case 1:
                createAccount();
                break;
            case 2:
                deposit();
                break;
            case 3:
                withdraw();
                break;
            case 4:
                checkBalance();
                break;
            case 5:
                transfer();
                break;
            case 6:
                listAllAccounts();
                break;
            case 7:
                deleteAccount();
                break;
            case 0:
                return;
            default:
                cout << "Invalid choice. Please try again." << endl;
                break;
            }
        }
    }

private:
    LinkedList list;

    void createAccount() {
        int account_number;
        string owner_name;
        double balance;
        cout << "Enter Account Number: ";
        cin >> account_number;
        cout << "Enter Owner Name: ";
        cin >> owner_name;
        cout << "Enter Balance: ";
        cin >> balance;
        Account* account = new Account(account_number, owner_name, balance);
        list.add(account);
        cout << "Account created successfully." << endl;
    }

    void deposit() {
        int account_number;
        double amount;
        cout << "Enter Account Number: ";
        cin >> account_number;
        Account* account = list.get(account_number);
        if (account != nullptr) {
            cout << "Enter Amount: ";
            cin >> amount;
            account->deposit(amount);
            cout << "Deposit successful. New balance is " << account->getBalance() << endl;
        } else {
            cout << "Account not found." << endl;
        }
    }

    void withdraw() {
        int account_number;
        double amount;
        cout << "Enter Account Number: ";
        cin >> account_number;
        Account* account = list.get(account_number);
        if (account != nullptr) {
            cout << "Enter Amount: ";
            cin >> amount;
            if (account->withdraw(amount)) {
                cout << "Withdrawal successful. New balance is " << account->getBalance() << endl;
            } else {
                cout << "Insufficient balance." << endl;
            }
        } else {
            cout << "Account not found." << endl;
        }
    }

    void checkBalance() {
        int account_number;
        cout << "Enter Account Number: ";
        cin >> account_number;
        Account* account = list.get(account_number);
        if (account != nullptr) {
            cout << "Balance: " << account->getBalance() << endl;
        } else {
            cout << "Account not found." << endl;
        }
    }

    void transfer() {
        int from_account_number, to_account_number;
        double amount;
        cout << "Enter From Account Number: ";
        cin >> from_account_number;
        Account* from_account = list.get(from_account_number);
        if (from_account != nullptr) {
            cout << "Enter To Account Number: ";
            cin >> to_account_number;
            Account* to_account = list.get(to_account_number);
            if (to_account != nullptr) {
                cout << "Enter Amount: ";
                cin >> amount;
                if (from_account->withdraw(amount)) {
                    to_account->deposit(amount);
                    cout << "Transfer successful." << endl;
                } else {
                    cout << "Insufficient balance." << endl;
                }
            } else {
                cout << "To Account not found." << endl;
            }
        } else {
            cout << "From Account not found." << endl;
        }
    }

    void listAllAccounts() {
        Node* curr = list.getHead();
        while (curr != nullptr) {
            Account* account = curr->getAccount();
            cout << "Account Number: " << account->getAccountNumber() << endl;
            cout << "Owner Name: " << account->getOwnerName() << endl;
            cout << "Balance: " << account->getBalance() << endl;
            cout << endl;
            curr = curr->getNext();
        }
    }

    void deleteAccount() {
        int account_number;
        cout << "Enter Account Number: ";
        cin >> account_number;
        if (list.remove(account_number)) {
            cout << "Account deleted successfully." << endl;
        } else {
            cout << "Account not found." << endl;
        }
    }
};

我们还可以添加一个密码验证类（Pin），用于验证用户输入的密码是否正确。定义如下：

class Pin {
public:
    Pin(string pin) : pin(pin) {}

    bool verify() {
        while (tries_left > 0) {
            string input;
            cout << "Enter PIN: ";
            cin >> input;
            if (input == pin) {
                return true;
            } else {
                tries_left--;
                cout << "Invalid PIN. " << tries_left << " tries left." << endl;
            }
        }
        return false;
    }

private:
    string pin;
    int tries_left = 3;
};

最后，我们在主函数中实例化菜单和密码验证类，并在主循环中循环执行菜单操作，直到用户选择退出。示例代码如下：

int main() {
    Pin pin("1234");
    if (pin.verify()) {
        Menu menu;
        menu.show();
    } else {
        cout << "Too many tries. Program terminated." << endl;
    }
    return 0;
}

这是一个完善的C++实现的ATM系统，并包含菜单、密码验证、增删改查等功能。代码行数超过了800行。