account.cs

实现ATM的主要功能：开户

using System;
using System.Collections.Generic;
using System.Text;

namespace ATM
{
    class Account
    {
        protected string name;
        protected string password;
        protected decimal balance;

        public decimal Balance
        {
            get
            {
                return balance;
            }
        }
        public string Name
        {
            get
            {
                return name;
            }
        }

        public Account(string name, string password)
        {
            this.balance = 0;
            this.name = name;
            this.password = password;
        }
        public bool Deposit(decimal amount)
        {
            if (amount <= 0)
                return false;
            balance += amount;
            return true;
        }
        public bool Deposit(double amount)
        {
            return Deposit((decimal)amount);
        }
        public bool Deposit(int amount)
        {
            return Deposit((decimal)amount);
        }
        public bool Deposit(decimal amount, out decimal balance)
        {
            bool succeed = Deposit(amount);
            balance = this.balance;
            return succeed;
        }
        public bool Withdraw(decimal amount)
        {
            if (amount > balance || amount <= 0)
                return false;
            balance -= amount;
            return true;
        }
        public bool Withdraw(double amount)
        {
            return Withdraw((decimal)amount);
        }
        public bool Withdraw(int amount)
        {
            return Withdraw((decimal)amount);
        }
        public bool Withdraw(decimal amount, out decimal balance)
        {
            bool succeed = Withdraw(amount);
            balance = this.balance;
            return succeed;
        }
        public bool ChangePassword(string oldPassword, string newPassword)
        {
            if (oldPassword != password)
                return false;
            password = newPassword;
            return true;
        }
        public bool Login(string name, string password)
        {
            return (this.name == name && this.password == password);
        }
    }
}