accountservice.java

加拿大达内科技有限公司配需java程序员的上课时的代码

package com.tarena.bank.biz;

import com.tarena.bank.persist.AccountDAOFactory;
import com.tarena.bank.persist.IAccountDAO;

public class AccountService implements IAccountService {
    private IAccountDAO dao = AccountDAOFactory.getDAO();
	public void addAct(Account act) {
	   dao.insert(act);
	}

	public void removeAct(String actNo) {
		dao.delete(actNo);
	}

	public double getBal(String actNo) {
		double bal = 0.0;
		Account act = dao.findByActNo(actNo);
		bal = act.getBal();
		return bal;
	}

	public void deposit(String actNo, double amount) {
		Account act = dao.findByActNo(actNo);
		act.deposit(amount);
		dao.update(act);

	}

	public void withdraw(String actNo, double amount) {
		Account act = dao.findByActNo(actNo);
		act.withdraw(amount);
		dao.update(act);
	}

	public void transfer(String from, String to, double amount) {
		Account act1 = dao.findByActNo(from);
		Account act2 = dao.findByActNo(to);
		act1.withdraw(amount);
		act2.deposit(amount);
		dao.update(act1);
		dao.update(act2);
	}

}