queryblockpublishdo.java

一个bbs论坛系统

package com.lovo.servlet;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;

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.factory.BOFactory;
import com.lovo.po.BlockPO;
import com.lovo.po.PublishPO;
import com.lovo.po.UserPO;
import com.lovo.util.Page;

public class QueryBlockPublishDO extends HttpServlet {
	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(true);
		String areaIdStr = request.getParameter("areaId");
		String blockIdStr = request.getParameter("blockId");
		String currPageStr = request.getParameter("page");
		
//		int areaId = Integer.parseInt(areaIdStr);
		int blockId = 0;
		try {
			blockId = Integer.parseInt(blockIdStr);
		} catch (NumberFormatException e) {
			blockId = ((BlockPO)session.getAttribute("block")).getId();
		}
		
		int currPage = 1;
		try {
			currPage = Integer.parseInt(currPageStr);
		} catch (NumberFormatException e) {
			currPage = 1;
		}
		
		if(currPage <= 0) {
			currPage = 1;
		}
		
		int maxRows = BOFactory.getPublishBOInstance().queryPublishMaxRowsInBlock(blockId);
		
		List<UserPO> blockAdminList = BOFactory.getUserBOInstance().queryBlockAdmin(blockId);
		
		Page pubPage = new Page();
		pubPage.setCurrPage(currPage);
		pubPage.setMaxRows(maxRows);
		
		int maxPages = maxRows % pubPage.getPageRows() == 0 ? maxRows / pubPage.getPageRows() : maxRows / pubPage.getPageRows() + 1;
		
		if(currPage >= maxPages) {
			currPage = maxPages;
			pubPage.setCurrPage(currPage);
		}
		
		List<PublishPO> publishList = BOFactory.getPublishBOInstance().queryPubByBlockid(blockId, pubPage);
		
		BlockPO block = BOFactory.getBlockBOInstance().queryBlockById(blockId);
	
		Date now = new Date();
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
		String nowTime = sdf.format(now);
		session.setAttribute("publishList", publishList);
		session.setAttribute("blockAdminList", blockAdminList);
		session.setAttribute("nowTime", nowTime);
		session.setAttribute("block", block);
		session.setAttribute("pubPage", pubPage);
//System.out.println("blockID="+block.getId());
		response.sendRedirect("../web/jsp/block.jsp?maxPages="+maxPages);
		
		
		
	}
}