elecdevinfo.java

JSP移动商品管理平台源代码.........

package imis_elec;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

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

public class ElecDevInfo extends HttpServlet {

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

		this.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 pattern = request.getParameter("pattern");
		
		if(pattern.equals("insert")) {
			this.insert(request, response);
		}else if(pattern.equals("search")) {
			this.search(request, response);
		}else if(pattern.equals("getElecDevInfo")) {
			this.getElecInfo(request, response);
		}else if(pattern.equals("modify")) {
			this.modify(request, response);
		}else if(pattern.equals("delete")) {
			this.delete(request, response);
		}
	}
	
	/**
	 *
	 * 这个方法向表“ElecDev_Info”中插入数据
	 * 
	 * @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 insert(HttpServletRequest request, HttpServletResponse response) 
		throws ServletException, IOException{
		
		boolean flag = false;
		String url = "../imis_elec/fail.jsp";
		
		ElecDevInfoTO elecDevInfoTO = new ElecDevInfoTO();
		elecDevInfoTO.setElecEquiNo(-1);
		elecDevInfoTO.setElecDevNo(request.getParameter("ElecDevNo").trim());
		elecDevInfoTO.setUserId(request.getParameter("UserId").trim());
		elecDevInfoTO.setElecDevTypeNo(Integer.parseInt(request.getParameter("ElecDevTypeNo").trim()));
		elecDevInfoTO.setElecDevName(request.getParameter("ElecDevName").trim());
		elecDevInfoTO.setElecDevType(request.getParameter("ElecDevType").trim());
		if(request.getParameter("ElecDevPower").trim().equals("") || request.getParameter("ElecDevPower").trim() == null) {
			elecDevInfoTO.setElecDevPower(0);
		} else {
			elecDevInfoTO.setElecDevPower(Double.parseDouble(request.getParameter("ElecDevPower").trim()));
		}
		elecDevInfoTO.setElecDevSpec(request.getParameter("ElecDevSpec").trim());
		elecDevInfoTO.setElecDevStatus(Integer.parseInt(request.getParameter("ElecDevStatus").trim()));
		elecDevInfoTO.setElecDevAddr(request.getParameter("ElecDevAddr").trim());
		elecDevInfoTO.setReMark(0);
		elecDevInfoTO.setMemo(request.getParameter("Memo").trim());
		
		ElecDevInfoDAOImpl elecDevInfoDAO = (ElecDevInfoDAOImpl) DAOFactory.getInstance().getElecDevInfoDAO();
		
		try {
			ElecDevInfoTO tempTO = elecDevInfoDAO.getElecDevInfo(elecDevInfoTO.getElecDevNo());
			if(tempTO == null) {
				flag = elecDevInfoDAO.insertElecDevInfo(elecDevInfoTO);
			} else {
				url = "../imis_elec/elecDevInfo_insert.jsp";
				request.setAttribute("ElecDevInfo", elecDevInfoTO);
				request.setAttribute("ElecDevNoExisted", "该用电设备编号已存在");
			}
		} catch (Exception e) {
			e.printStackTrace();
		}			
		
		if(flag == true) {
			request.setAttribute("success", "信息录入成功！");
			request.getRequestDispatcher("../imis_elec/successful.jsp").forward(request, response);
		} else {
			request.setAttribute("fail", "信息录入失败！");
			request.getRequestDispatcher(url).forward(request, response);
		}
	}
	
	/**
	 *
	 * 这个方法向表“ElecDev_Info”中查找数据
	 * 
	 * @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 search(HttpServletRequest request, HttpServletResponse response) 
		throws ServletException, IOException{
		
		ArrayList list = new ArrayList();
		
		ElecDevInfoTO elecDevInfoTO = new ElecDevInfoTO();

		elecDevInfoTO.setElecEquiNo(-1);
		elecDevInfoTO.setElecDevNo(request.getParameter("ElecDevNo"));
		elecDevInfoTO.setUserId(request.getParameter("UserId"));
		elecDevInfoTO.setElecDevTypeNo(0);
		elecDevInfoTO.setElecDevName("");
		elecDevInfoTO.setElecDevType("");
		elecDevInfoTO.setElecDevPower(0.0);
		elecDevInfoTO.setElecDevSpec("");
		elecDevInfoTO.setElecDevStatus(0);
		elecDevInfoTO.setElecDevAddr("");
		elecDevInfoTO.setReMark(0);
		elecDevInfoTO.setMemo(request.getParameter("OrganOf"));
		
		ElecDevInfoDAOImpl elecDevInfoDAO = (ElecDevInfoDAOImpl) DAOFactory.getInstance().getElecDevInfoDAO();
		try {
			list = elecDevInfoDAO.searchElecDevInfos(elecDevInfoTO);
		} catch (Exception e) {
			e.printStackTrace();
		}			
		
		request.getSession().setAttribute("ElecDevInfoList", list);
		request.getRequestDispatcher("../imis_elec/elecDevInfoBySearch.jsp").forward(request, response);
	}
	
	/**
	 *
	 * 这个方法向表“ElecDev_Info”中得到信息,这个方法会被修改和删除页面调用，根据参数“page”来判断
	 * 是哪个页面。
	 * 
	 * @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 getElecInfo(HttpServletRequest request, HttpServletResponse response) 
		throws ServletException, IOException{
				
		ElecDevInfoTO elecDevInfoTO = null;
		String elecDevNo = request.getParameter("ElecDevNo");
		
		ElecDevInfoDAOImpl elecDevInfoDAO = (ElecDevInfoDAOImpl) DAOFactory.getInstance().getElecDevInfoDAO();
		try {
			elecDevInfoTO = elecDevInfoDAO.getElecDevInfo(elecDevNo);
		} catch (Exception e) {
			e.printStackTrace();
			request.setAttribute("ElecDevNoUnexisted", "该用电设备编号不存在！");
		}			
		
		if(elecDevInfoTO != null) {
			request.setAttribute("ElecDevInfo", elecDevInfoTO);
		} else {
			request.setAttribute("ElecDevNoUnexisted", "该用电设备编号不存在！");
		}
		
		if(request.getParameter("page").equals("modify")) {
			request.getRequestDispatcher("../imis_elec/elecDevInfo_modify.jsp").forward(request, response);
		} else if(request.getParameter("page").equals("delete")) {
			request.getRequestDispatcher("../imis_elec/elecDevInfo_delete.jsp").forward(request, response);
		} else if(request.getParameter("page").equals("insert")) {
			request.getRequestDispatcher("../imis_elec/elecDevInfo_insert.jsp").forward(request, response);
		}
	}
	
	/**
	 *
	 * 这个方法向表“ElecDev_Info”中修改数据
	 * 
	 * @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 modify(HttpServletRequest request, HttpServletResponse response) 
		throws ServletException, IOException{
				
		boolean flag = false; 
		
		ElecDevInfoTO elecDevInfoTO = new ElecDevInfoTO();
		elecDevInfoTO.setElecEquiNo(-1);
		elecDevInfoTO.setElecDevNo(request.getParameter("ElecDevNo").trim());
		elecDevInfoTO.setUserId(request.getParameter("UserId").trim());
		elecDevInfoTO.setElecDevTypeNo(Integer.parseInt(request.getParameter("ElecDevTypeNo").trim()));
		elecDevInfoTO.setElecDevName(request.getParameter("ElecDevName").trim());
		elecDevInfoTO.setElecDevType(request.getParameter("ElecDevType").trim());
		if(request.getParameter("ElecDevPower").trim().equals("") || request.getParameter("ElecDevPower").trim() == null) {
			elecDevInfoTO.setElecDevPower(0);
		} else {
			elecDevInfoTO.setElecDevPower(Double.parseDouble(request.getParameter("ElecDevPower").trim()));
		}
		elecDevInfoTO.setElecDevSpec(request.getParameter("ElecDevSpec").trim());
		elecDevInfoTO.setElecDevStatus(Integer.parseInt(request.getParameter("ElecDevStatus").trim()));
		elecDevInfoTO.setElecDevAddr(request.getParameter("ElecDevAddr").trim());
		elecDevInfoTO.setReMark(0);
		elecDevInfoTO.setMemo(request.getParameter("Memo").trim());
		
		ElecDevInfoDAOImpl elecDevInfoDAO = (ElecDevInfoDAOImpl) DAOFactory.getInstance().getElecDevInfoDAO();
		try {
			flag = elecDevInfoDAO.updateElecDevInfo(elecDevInfoTO);
		} catch (Exception e) {
			e.printStackTrace();
		}			
		
		if(flag == true) {
			request.setAttribute("success", "您已成功修改信息！");
			request.getRequestDispatcher("../imis_elec/successful.jsp").forward(request, response);
		} else {
			request.setAttribute("fail", "您的修改失败了！");
			request.getRequestDispatcher("../imis_elec/fail.jsp").forward(request, response);
		}

	}
	
	/**
	 *
	 * 这个方法向表“ElecDev_Info”中删除数据
	 * 
	 * @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 delete(HttpServletRequest request, HttpServletResponse response) 
		throws ServletException, IOException{
				
		boolean flag = false;
		
		String elecDevNo = request.getParameter("ElecDevNo");
		
		ElecDevInfoDAOImpl elecDevInfoDAO = (ElecDevInfoDAOImpl) DAOFactory.getInstance().getElecDevInfoDAO();
		try {
			flag = elecDevInfoDAO.deleteElecDevInfo(elecDevNo);
		} catch (Exception e) {
			e.printStackTrace();
		}			
		
		if(flag == true) {
			request.setAttribute("success", "您已成功删除信息！");
			request.getRequestDispatcher("../imis_elec/successful.jsp").forward(request, response);
		} else {
			request.setAttribute("fail", "您的删除失败了！");
			request.getRequestDispatcher("../imis_elec/fail.jsp").forward(request, response);
		}

	}

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

}