Jsp/Servlet

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Java

BlogServlet.java.svn-base：源码内容

							package com.appspot.cindyblog.servlet;
import java.io.IOException;
import java.io.PrintWriter;
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.common.EMF;
import com.appspot.cindyblog.pojo.ArticleBean;
import com.appspot.cindyblog.pojo.DiscussBean;
import com.appspot.cindyblog.pojo.LinkBean;
import com.appspot.cindyblog.pojo.MessageBean;
import com.appspot.cindyblog.pojo.TypeBean;
public class BlogServlet extends BaseServlet {
	private static final long serialVersionUID = 5709330878821727568L;
	public void doGet(HttpServletRequest request, HttpServletResponse response)
		throws ServletException, IOException {
		String m = request.getParameter("m");
		if("getIndex".equals(m)){
			this.getIndex(request, response);
		}
	}
	
	public void getIndex(HttpServletRequest request, HttpServletResponse response)
		throws ServletException, IOException {
		response.setContentType("text/html;charset=utf-8");
		EntityManager em = null;
		try{
			bs = getBlogService();
			em = EMF.get().createEntityManager();
			String rz = bs.getObjectList(ArticleBean.class, em, "time", 0, 5);
			String ly = bs.getObjectList(MessageBean.class, em, "time", 0, 5);
			String fl = bs.getObjectList(TypeBean.class, em);
			String pl = bs.getObjectList(DiscussBean.class, em, "time", 0, 5);
			String link = bs.getObjectList(LinkBean.class, em);
			String str = "var elements = {nodes:{ly:"+ly+",fl:"+fl+",rz:"+rz+",pl:"+pl+",link:"+link+"}}";
			response.getWriter().print(str);
		}catch(Exception e){
			e.printStackTrace();
		}finally{
			closeEntityManager(em);
		}
		
	}
}

						