queryblockdo.java

一个bbs论坛系统

package com.lovo.servlet;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.lovo.bo.BlockBO;
import com.lovo.factory.BOFactory;
import com.lovo.po.AreaPO;
import com.lovo.po.BlockPO;

public class QueryBlockDO extends HttpServlet{
	private static final long serialVersionUID = 636766597149302678L;

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		this.doPost(request, response);
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		request.setCharacterEncoding("utf-8");
		response.setContentType("text/html;charset=utf-8");
		response.setCharacterEncoding("utf-8");
		HttpSession session = request.getSession();
		
//		ServletContext application=this.getServletContext();
		
		String areaId=(String)session.getAttribute("areaId");
		if(areaId==null){
			areaId=request.getParameter("areaID");
		}
		session.setAttribute("areaID", areaId);
		int areaID=Integer.parseInt(areaId);
		BlockBO blockBO=BOFactory.getBlockBOInstance();
		
		List<BlockPO> blockList=blockBO.queryBlockByArea(areaID);
		if(blockList==null){
			blockList=new ArrayList<BlockPO>();
		}
		
		session.setAttribute("blockPOList", blockList);
		
		response.sendRedirect("web/jsp/AreaMag.jsp");
	}
}