loansavingaccount.java

实现银行系统的一系列功能,比如存款取款透支查询余额等

package tarena.bank.server;

import java.io.Serializable;

public class LoanSavingAccount extends SavingAccount implements
		AccountInterface ,Serializable{
	public static final int ACCOUNT_TYPE=2;
	private double loan;

	public LoanSavingAccount(long id, String passwd, String name,
			String personId, String email,double balance,int type) {
		super(id, passwd, name, personId, email,balance,type);
		// this.loan=this.getLoan();
	}

	public double getAllLoan() {
		return this.getLoan();
	}

	public void payLoan(double money) {
		if (this.getBalance() > 0) {
			if (money > this.getBalance()) {
				money = this.getBalance();
				if (this.getLoan() > 0 && money < this.getLoan()) {
					this.setLoan(this.getLoan() - money);
					this.setBalance(this.getBalance() - money);
					System.out.println("payLoan-operation success!");
				}
			}
			else{
				if (this.getLoan() > 0 && money <= this.getLoan()) {
					this.setLoan(this.getLoan() - money);
					this.setBalance(this.getBalance() - money);
					System.out.println("payLoan-operation success!");
				}
			}
		}
		else{
			System.out.println("payLoan-operation failed!");
		}
	}

	public void requestLoan(double money) {
		if (money > 0) {
			this.setLoan(money+this.getLoan());
		} else {
			System.out.println("LoanMoney Less than Zero,Operation canceled!");
		}
	}

	public double getLoan() {
		return loan;
	}

	public void setLoan(double loan) {
		this.loan =loan;
	}

}