searchall.java

这是一个网站在线订单系统.可以删除,查询,修改

package com.bsw.order.servlet;

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

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

import com.bsw.order.base.Torder;
import com.bsw.order.base.User;
import com.bsw.order.database.TorderDAO;

/**
 * @author 蜗牛 用来显示所有当前用户的orders
 * 
 */
public class SearchAll extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public SearchAll() {
		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 {
		// 定义response,request参数
		response.setContentType("text/html");
		response.setCharacterEncoding("utf-8");
		request.setCharacterEncoding("utf-8");

		// 定义session并且获取当前用户名
		javax.servlet.http.HttpSession session = request.getSession();
		String buyer = String.valueOf(session.getAttribute("buyer"));
		session.setAttribute("buyer", buyer);
		// 调用DAO,从数据库中查询当前用户的order
		TorderDAO t = new TorderDAO();
		List l1 = t.queryUserOrders(buyer);
		// 显示反馈
		request.setAttribute("list", l1);
		request.getRequestDispatcher("../com/bsw/order/jsp/viewOrder.jsp").forward(request, response);
	}

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

}