impllistener.java

网上购物系统的简易代码

package com.tarena.develop.listen;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

import com.tarena.develop.common.BusinessFactory;
import com.tarena.develop.service.impl.ProductService;
import com.tarena.develop.service.impl.ProductServiceImpl;

public class ImplListener implements ServletContextListener {


	public void contextDestroyed(ServletContextEvent arg0) {
		// TODO Auto-generated method stub

	}

	
	public void contextInitialized(ServletContextEvent arg0) {
		//创建业务对象
		System.out.print("创建对象了");
		ProductService ps = (ProductService) BusinessFactory.getBusiness(ProductService.class.getName());
	}

}