prefinddetailservlet.java

oa办公系统

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

import java.io.IOException;
import java.io.PrintWriter;

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.services.DeptService;
import cn.jx.ecjtu.oa.services.Node;
import cn.jx.ecjtu.oa.services.ServiceFactory;

public class PreFindDetailServlet extends HttpServlet {

	/**
	 * 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 {
		Node node=deptservice.getRootNode();
		int pageNum=1;
		try {
			String page=(String)request.getAttribute("pageNum");
			pageNum=Integer.parseInt(page);

		} catch (Exception e) {
			
		}
		if(pageNum==0){
			pageNum=1;
		}
		request.setAttribute("page", pageNum);
		request.setAttribute("depts", node);
		request.getRequestDispatcher("tongxun_yuangong.jsp").forward(
				request, response);
		
	}

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

}