Jsp/Servlet

开发平台：

Java

BaseServlet.java：源码内容

							package com.appspot.cindyblog.servlet;
import java.io.IOException;
import javax.persistence.EntityManager;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.appspot.cindyblog.service.AdminService;
import com.appspot.cindyblog.service.BaseService;
import com.appspot.cindyblog.service.BlogService;
import com.appspot.cindyblog.util.Counter;
import com.appspot.cindyblog.util.Singleton;
public abstract class BaseServlet extends HttpServlet{
	BaseService cbs = null;
	BlogService bs = null;
	AdminService as = null;
	Counter counter = Counter.getCounter();
	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
		throws ServletException, IOException {
		
	}
	
	public void doPost(HttpServletRequest request, HttpServletResponse response)
		throws ServletException, IOException {
			this.doGet(request, response);
	}
	
	protected BlogService getBlogService(){
		return (BlogService) Singleton.getInstance(BlogService.class);
	}
	
	protected AdminService getAdminService(){
		return (AdminService) Singleton.getInstance(AdminService.class);
	}
	
	protected void closeEntityManager(EntityManager em){
		if(em.isOpen()){
			em.close();
		}
		em = null;
	}
}

						