filedetailservlet.java

用jsp,servlet实现人力资源管理系统

package com.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import java.lang.Integer;

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

import com.dao.EmpRecordDAO;
import com.dao.impl.EmpRecordDAOImpl;
import com.entity.EmpRecord;

public class FileDetailServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public FileDetailServlet() {
		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 {

		request.setCharacterEncoding("gb2312");
	    response.setCharacterEncoding("gb2312");
	    
	    String method = request.getParameter("method");
	    String recid=request.getParameter("recid");
	    System.out.println(recid);
	    
	    
	    EmpRecordDAO empRecordDAO = new EmpRecordDAOImpl();
	    
	    if(!recid.equals("a")){
	    
	        if(method.equals("queryEmpRecord")){
	    	
	    	    EmpRecord emprecord=new EmpRecord();
         	    Integer integer=new Integer(recid);
	    	    emprecord=empRecordDAO.queryEmpRecordByRecId(integer.intValue());
        	    List list = empRecordDAO.queryEmpRecord();
        	    for(int i=0;i<list.size();i++){
        	    	if(((EmpRecord)(list.get(i))).getRecId()==emprecord.getRecId())
        			    list.remove(i);
        	    }
                list.add(0, emprecord);
              	request.setAttribute("RecList", list);
	        	request.setAttribute("RecDetailList", list);
	        }
	    
	         request.getRequestDispatcher("/form/file.jsp").forward(request,response);
	    }
	    
	    if(recid.equals("a")){
	    	List list = empRecordDAO.queryEmpRecord();
	    	request.setAttribute("RecList", list);
        	request.setAttribute("RecDetailList", list);
        	request.getRequestDispatcher("/form/file.jsp").forward(request,response);
	    }
	    
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occure
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}