queryareado.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.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.lovo.bo.AreaBO;
import com.lovo.bo.AreaBOImpl;
import com.lovo.bo.BlockBO;
import com.lovo.dao.BlockDAO;
import com.lovo.factory.BOFactory;
import com.lovo.factory.DAOFactory;
import com.lovo.po.AreaPO;
import com.lovo.po.BlockPO;

public class QueryAreaDO extends HttpServlet{
	private static final long serialVersionUID = -3500006551710081553L;

	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();
		/**区域显示*/
		AreaBO areaBO=BOFactory.getAreaBOInstance();
		List<AreaPO> areaPOlist=areaBO.queryArea();
		if(areaPOlist==null){
			areaPOlist=new ArrayList<AreaPO>();
		}
		
		BlockBO bo = BOFactory.getBlockBOInstance();
		List<BlockPO> bolockList = null;
		for(AreaPO area : areaPOlist) {
			bolockList = new ArrayList<BlockPO>();
			bolockList = bo.queryBlockByArea(area.getId());
			area.setBlockList(bolockList);
		}
		
		session.setAttribute("areaPOlist", areaPOlist);
		response.sendRedirect("../web/admin/AreaMag.jsp");
	}
	
}