finddetailservlet.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.ps.pojo.Detail;
import cn.jx.ecjtu.oa.services.DetailService;


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

public class FindDetailServlet 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 {
		
		String findWord=request.getParameter("selecta");
        String findType=request.getParameter("selectb");
        String keyWord=request.getParameter("text");
		int page=1,num=1;
		int allPage=1;
		List<Detail> detail=null;
		try{
			String sPage=request.getParameter("page");
			if(sPage !=null) page=Integer.parseInt(sPage);
		}catch(Exception e){
			page=1;
		}
		try{
			if(findWord !=null) num=Integer.parseInt(findWord);
		}catch(Exception e1){
			num=1;
		}
		try {
			if(num==2&&findType.equals("=")){
            	detail=service.getdetailByName(keyWord);
            }
            else if(num==2&&findType.equals("like")){
            	try {
            		detail=service.getdetailByLikeDepaName(keyWord, page);
               	    allPage=service.getDetailNumByName(keyWord);
					
				} catch (Exception e) {
					
				}
            }
            else if(num==1){
            	try {
            		 int id=Integer.parseInt(keyWord);
            		 detail=service.getdetailById(id,findType);
               	  
				} catch (Exception e) {
				}
            	
            }
            else if(num==3){
            	 detail=service.getdetailByPhone(keyWord);
            }
            else if(num==4){
            	int id=0;
            	try {
            		    String deptment=request.getParameter("dept");
        			    if(deptment!=null) {
        				id=Integer.parseInt(deptment);
        				detail=service.getDetailByDepID(id, page,findType);
                   	    allPage=service.getDetailNumById(id,findType);
        			}
        		} catch (Exception e1) {
        			
        		}
	      }
           if(detail!=null){   
           request.setAttribute("ALLPAGE", allPage);	
           request.setAttribute("DETAIL", detail);
           request.setAttribute("pageNum", page);
           request.getRequestDispatcher("preFindDetailServlet").forward(request, response);
           }
           else{
				request.setAttribute("message", "错误信息：您所查询的信息不存在！请重新输入！");
				request.getRequestDispatcher("../error.jsp").forward(request,
						response);
			}
			
		} catch (Exception e) {
               StringBuffer msg=new StringBuffer();
	           for(StackTraceElement element:e.getStackTrace()){
	           msg.append(element);
	           msg.append("<br/>\n");
	         }
	             request.setAttribute("message", msg.toString());
	             request.getRequestDispatcher("../error.jsp").forward(request, response);
       
	    }
            
}

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

}