queryorderdetails.java

很好的东东 本人随便做的 仅供学习之用

package xiaoshou.servlets;

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

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

import xiaoshou.classes.COrder;
import xiaoshou.javabeans.Operator;

public class QueryOrderDetails extends HttpServlet {

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

		String orderID=request.getParameter("id");
		
		COrder order=Operator.queryOrder(orderID);
		ArrayList list=Operator.queryOrderDetails(orderID);
		
		if(order==null || list==null){
			request.setAttribute("result", "查询订单详情失败！");
			request.getRequestDispatcher("/xiaoshou/result.jsp").forward(request, response);
			return;
		}
		
		request.setAttribute("order", order);
		System.out.println("******order.customerName:" + order.getCustomerName());
		
		if(list.size()>0)
			request.setAttribute("list", list);
		else
			request.setAttribute("noOrderDetails", "无记录");
		
		request.getRequestDispatcher("/xiaoshou/orderDetails.jsp").forward(request, response);
	}

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

}