getdefaultinfo.java

jsp + servlete + jdbc开的管理系统

package hbu.david.cmc.servlet;
/**
 * 获取个人信息，最新评论和个人拥有的相册
 */
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import sun.rmi.server.Dispatcher;

import hbu.david.cmc.bean.*;
import hbu.david.cmc.work.*;
import hbu.david.cmc.util.*;


/**
 * Servlet implementation class for Servlet: GetDefaultInfo
 *
 */
 public class GetDefaultInfo extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {
   static final long serialVersionUID = 1L;
   
    /* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#HttpServlet()
	 */
	public GetDefaultInfo() {
		super();
	}

	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(req, resp);
	}

	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		// TODO Auto-generated method stub
		//int userId=((UserInfo)req.getSession().getAttribute("userInfo")).getId();
		int userId=ParseRequest.parseInt(req, "userId",0);
		
		UserInfo userInfo=UserBean.getUserInfoById(userId);
		req.setAttribute("userInfo", userInfo);
		
		List<Category> categoryList=CategoryBean.getCategory(userId);
		req.setAttribute("categoryList", categoryList);
		List<Comment> commentList=new ArrayList<Comment>();
		if(userId<=0){
			//用户登录转到的
			commentList=CommentBean.getComments(0, 10, 0, ((UserInfo)req.getSession().getAttribute("userInfo")).getId());
		}else{
			commentList=CommentBean.getComments(0, 10, 0, userId);
		}
		req.setAttribute("commentList", commentList);
		
		RequestDispatcher requestDispatcher=req.getRequestDispatcher("default.jsp");
		requestDispatcher.forward(req, resp);
	}  	 	  	  	    
}