src/org/wdl/hotelSysTest/sys/servlet/DinnerTableServlet.java

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package org.wdl.hotelSysTest.sys.servlet;

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

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 org.wdl.hotelSysTest.sys.service.DinnerTableService;
import org.wdl.hotelSysTest.sys.service.DinnerTableServiceImpl;
import org.wdl.hotelTest.bean.DinnerTable;

/**
 * Servlet implementation class DinnerTableServlet
 */
@WebServlet("/sys/dinnerTable.action")
public class DinnerTableServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public DinnerTableServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

    /**
     * @see HttpServlet#service(HttpServletRequest request, HttpServletResponse response)
     */
    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        System.out.println("========/sys/dinnerTable.action=============");

        request.setCharacterEncoding("utf-8");
        //通过name属性值获取前端传递的参数
        String keyword = request.getParameter("keyword");
        String tableStatus = request.getParameter("tableStatus");
        String disabled = request.getParameter("disabled");
        String method = request.getParameter("method");
        System.out.println("method:" + method + "  keyword:" + keyword + "   tableStatus:" + tableStatus + "  disabled:" + disabled);

        //更新需要的参数
        String id = request.getParameter("id");
        String tableName = request.getParameter("tableName");
        System.out.println("id:" + id + "  tableName:" + tableName);

        DinnerTableService dinnerTableService = new DinnerTableServiceImpl();
        if (method != null && !method.equals("") && method.equals("list")) {
            //查询餐桌
            List<DinnerTable> dinnerTables = dinnerTableService.find(keyword, tableStatus, disabled);
            System.out.println("dinnerTables:" + dinnerTables);
            //保存所有的餐桌
            request.setAttribute("dinnerTables", dinnerTables);
            request.setAttribute("keyword", keyword);
            request.setAttribute("tableStatus", tableStatus);
            request.setAttribute("disabled", disabled);
            //重定向不可在下一个JSP中获取保存中request中的数据