accountservicejdbcimpl.java

基于struts框架的银行帐户实例

package com.tarena.bank.biz.service;

import com.tarena.bank.biz.entity.Account;
import com.tarena.bank.persistent.AccountDAOFactory;
import com.tarena.bank.persistent.IAccountDAO;

public class AccountServiceJdbcImpl implements IAccountService{
	private IAccountDAO dao=AccountDAOFactory.getDAO();
	
	public void addAcct(Account acct){
		dao.insert(acct);	
	}
	public void removeAcct(String userName){
		dao.delete(userName);
	}
	public double getBal(String userName){
		Account a=dao.findByUserName(userName);
		double bal=a.getBalance();
		return bal;	
	}
	public void withdraw(String userName,double amount){
		Account a=dao.findByUserName(userName);
		a.withdraw(amount);
		dao.update(a);
	}
	public void deposite(String userName,double amount){
		Account a=dao.findByUserName(userName);
		a.deposite(amount);
		dao.update(a);
	}
	public void transfer(String from,String to,double amount){
		Account a1=dao.findByUserName(from);
		Account a2=dao.findByUserName(to);
		System.out.println(a1.getUserName());
		a1.withdraw(amount);
		System.out.println(a1.getUserName());
		a2.deposite(amount);
		dao.update(a1);
		System.out.println(a1.getUserName());
		dao.update(a2);	
	}
}