JavaWeb课设 自动贩卖机系统

package controller; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import service.Service; /** * Servlet implementation class controller */ @WebServlet("/controller") public class controller extends HttpServlet { private static final long serialVersionUID = 1L; /** * Default constructor. */ public controller() { // TODO Auto-generated constructor stub } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub request.getRequestDispatcher("/WEB-INF/JSP/a1.jsp").forward(request, response); } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String cdk= new String(request.getParameter("cdk").getBytes("iso-8859-1"), "utf-8"); Service service=new Service(); if(service.dao(cdk)){ request.setAttribute("list", "1"); request.getRequestDispatcher("/WEB-INF/JSP/a1.jsp").forward(request, response); } else { request.setAttribute("list", "2"); request.getRequestDispatcher("/WEB-INF/JSP/a1.jsp").forward(request, response); } } }