savingsaccount.cs

来自「OOP With Microsoft VB.NET And Csharp Ste」· CS 代码 · 共 51 行

using System;

namespace ABetterBank
{
	/// <summary>
	/// Summary description for SavingsAccount.
	/// </summary>
	public class SavingsAccount : BankAccount
	{
		private string m_owner;
		public SavingsAccount(string owner)
		{
			m_owner = owner;
		}
	
		private decimal m_interest = 0.01M;
		public decimal Interest 
		{
			get {return m_interest;}
			set {m_interest =value;}
		}

		private decimal m_totalInterest =0M;
		public decimal AddInterest()
		{
			decimal interest =m_interest *this.Balance;
			m_totalInterest +=interest;
			this.Deposit(interest);
			return this.Balance;
		}

		public override string PrintStatement()
		{
			string statement =String.Format("{0}\n" +
				"Opening balance:$0.00 \nDeposits:{1:C}\nWithdrawals:{2:C}\n" +
				"Interest:{3:C}\nEnding balance:{4:C}\n",
				new object[] {this.ID, this.TotalDeposits -m_totalInterest,
					this.TotalWithdrawals, this.m_totalInterest, this.Balance});
			return statement;
		}

		public override string ID 
		{
			get { return m_owner + "-S"; }
		}



	}
}