deleteorder.java

整个系统采用MVC开发模式

package Manager;

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;

import bean.GoodsOrder;
import bean.GoodsOrderDao;

public class DeleteOrder extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public DeleteOrder() {
		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 {
		response.setContentType("text/html; charset=GBK");
		response.setHeader("Cache-Control", "no-cache");
		GoodsOrder order=new GoodsOrder();
		PrintWriter out=response.getWriter();
		String ordernumber=request.getParameter("del");
		String sql="select * from goodsorder where ordernumber="+ordernumber;
       GoodsOrderDao orderdao=new GoodsOrderDao();	
		try{
			ArrayList<GoodsOrder> result=new ArrayList<GoodsOrder>();
			result=orderdao.orderSelect(sql);
			//System.out.print("aaaa");
			order=result.get(0);
			//System.out.print("bbbb");
			//System.out.print(user.getUserid());
            orderdao.orderDelete(order);
			//System.out.print("ccccc");
            
			out.println("删除成功");
			out.print("<a href='/Order/Order.jsp'>"+"返回"+"</a>");
			//response.sendRedirect("/Manager/QueryUser.jsp");
			
		}catch(Exception e){e.printStackTrace();}
	}

	/**
	 * 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 {

		doGet(request,response);
	}

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

}