listcompanycardservlet.java

oa办公系统

package cn.jx.ecjtu.oa.servlets.contract;

import java.io.IOException;
import java.io.PrintWriter;
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 cn.jx.ecjtu.oa.common.Constant;
import cn.jx.ecjtu.oa.ps.pojo.CompanyCard;
import cn.jx.ecjtu.oa.services.ServiceFactory;
import cn.jx.ecjtu.oa.services.CompanyCardService;
import cn.jx.ecjtu.oa.services.UserInSession;

public class ListCompanyCardServlet extends HttpServlet {

	/**
	 * todo:列出公司名片信息的Servlet
	 * @author 曹新星，谢睿文
	 * @version $Revision: 1.5 $
	 * @since 1.0
	 */

	public ListCompanyCardServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		 doPost(request,response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		HttpSession session=request.getSession();
		UserInSession user=(UserInSession)session.getAttribute(Constant.USER_IN_SESSION);
		List<CompanyCard> companycards=service.listCompanyCard(user.getId());	   
	    
	    int pageShowUser=6;
		int page=1;
		int allPage=1;
		try{
			String sPage=request.getParameter("page");
			if(sPage !=null) page=Integer.parseInt(sPage);
		}catch(Exception e){
			page=1;
		}
		if(companycards.size()==0) allPage=1;
    	else if(companycards.size()%pageShowUser==0) allPage=companycards.size()/pageShowUser;
    	else allPage=companycards.size()/pageShowUser+1;
    	if(page>allPage) page=1;
    	request.setAttribute("ALLPAGE", allPage);	
        request.setAttribute("pageNum", page);
	    
    	request.setAttribute("COMPANYCARD", companycards);
		request.getRequestDispatcher("tongxun_gongsi.jsp").forward(request, response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occure
	 */
	
	private CompanyCardService service;
	public void init() throws ServletException {
		this.service=(CompanyCardService)ServiceFactory.getService(CompanyCardService.class);
	}

}