orderupdateservlet.java

电子商城

package com.lmh.servlet.admin;

import java.io.IOException;
import java.util.List;

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

import com.lmh.dao.impl.OracleOrderDAO;
import com.lmh.dao.impl.OracleOrderItemDAO;
import com.lmh.dao.vo.OrderBean;

public class OrderUpdateServlet extends HttpServlet {

	/**
	 * 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 {
		long norderID = -1;
		String scuser = null;
		String sauser = null;
		String smcname = null;
		String startDate = null;
		String endDate = null;
		int pastart = -1;
		int paend = -1;
		int countAll = 0;
		int curPage = 1;
		int totalPage = 0;
		int pagesize = 0;

		scuser = request.getParameter("scuser");
		smcname = request.getParameter("smcname");
		startDate = request.getParameter("startDate");
		endDate = request.getParameter("endDate");

		String action = request.getParameter("action");

		OracleOrderDAO orderDao = new OracleOrderDAO();
		OracleOrderItemDAO orderItemDao = new OracleOrderItemDAO();
		try {
			norderID = Integer.parseInt(request.getParameter("norderID"));
		} catch (Exception en) {
		}
		try {
			curPage = Integer.parseInt(request.getParameter("curPage"));
		} catch (Exception en) {

		}
		try {
			pagesize = Integer.parseInt(this.getServletConfig()
					.getInitParameter("pagesize"));
		} catch (Exception en) {

		}

		pastart = (curPage - 1) * pagesize + 1;
		paend = curPage * pagesize;
		/**
		 * 符合条件的总记录数
		 */
		countAll = orderDao
				.getCount(norderID, scuser, null, sauser, smcname);
		if (action != null && action.equals("update")) {
			if (norderID != -1) {
				OrderBean orderBean = new OrderBean();
				orderBean.setNid(norderID);
				orderBean.setSpaytype(request.getParameter("spaytype"));
				orderBean.setSsendtype(request.getParameter("ssendtype"));
				orderDao.updateOrder(orderBean);
				countAll = orderDao.getCount(-1, scuser, null, sauser,
						smcname);
			}
		}
		totalPage = (countAll - 1) / pagesize + 1;

		request.setAttribute("countAll", countAll);
		request.setAttribute("curPage", curPage);
		request.setAttribute("totalPage", totalPage);

		OrderBean ob = orderDao.searchOrder(-1);
		List orderList = orderDao.searchOrder(-1, scuser, null, sauser,
				smcname, startDate, endDate, pastart, paend);
		List orderItemList = orderItemDao.searchOrderItem(-1);

		request.setAttribute("ob", ob);
		request.setAttribute("orderItemList", orderItemList);
		request.setAttribute("orderList", orderList);

		RequestDispatcher rd = null;
		rd = request.getRequestDispatcher("/admin/order/orderUpdate.jsp");
		rd.forward(request, response);

	}
}