9月7日 分布式缓存 周五

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/helloworld_1996/article/details/82503662

希尔顿大酒店项目 – 无技术难点

-- 酒店表
create table hotel0907(
       id number primary key,
       roomnum number,
       roomtype varchar2(200),
       roomfloor number,
       roomstate varchar2(200),
       roomprice number
)
select * from hotel0907
create sequence seq_t_hotel0907
insert into hotel0907 values(seq_t_hotel0907.nextval,101,'单人房',1,'住净',288)
--房间类型表
create table t_hotel0907_roomtype(
       id number primary key,
       roomtype varchar2(200)
)
select * from t_hotel0907_roomtype
create sequence seq_t_hotel0907_roomtype
insert into t_hotel0907_roomtype values(seq_t_hotel0907_roomtype.nextval,'单人房')
insert into t_hotel0907_roomtype values(seq_t_hotel0907_roomtype.nextval,'普通大床房')
insert into t_hotel0907_roomtype values(seq_t_hotel0907_roomtype.nextval,'豪华大床房')
insert into t_hotel0907_roomtype values(seq_t_hotel0907_roomtype.nextval,'商务双床房')
--楼层表
create table t_hotel0907_roomfloor(
       id number primary key,
       roomfloor number
)
select * from t_hotel0907_roomfloor
create sequence seq_t_hotel0907_roomfloor
insert into t_hotel0907_roomfloor values(seq_t_hotel0907_roomfloor.nextval,1)
insert into t_hotel0907_roomfloor values(seq_t_hotel0907_roomfloor.nextval,2)
insert into t_hotel0907_roomfloor values(seq_t_hotel0907_roomfloor.nextval,3)
insert into t_hotel0907_roomfloor values(seq_t_hotel0907_roomfloor.nextval,4)
--状态表
create table t_hotel0907_roomstate(
       id number primary key,
       roomstate varchar2(200)
)
select * from t_hotel0907_roomstate
create sequence seq_t_hotel0907_roomstate
insert into t_hotel0907_roomstate values(seq_t_hotel0907_roomstate.nextval,'空净')
insert into t_hotel0907_roomstate values(seq_t_hotel0907_roomstate.nextval,'空脏')
insert into t_hotel0907_roomstate values(seq_t_hotel0907_roomstate.nextval,'住净')
insert into t_hotel0907_roomstate values(seq_t_hotel0907_roomstate.nextval,'住脏')

-- 统计房间类型
select roomtype,count(roomtype) from hotel0907 group by roomtype

<?xml version="1.0" encoding="UTF-8" `这里写代码片`?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.hao.mapper.IHotelMapper">
    <select id="findHotelList" resultType="com.hao.dto.Hotel" >
        select * from hotel0907
    </select>
    <!-- <select id="findStudentById" parameterType="int" resultType="org.gzj.dto.Student">
        select * from t_student where id = #{id}
    </select> -->
    <select id="findTypeList" resultType="map">
        select * from t_hotel0907_roomtype
    </select>
    <select id="findFloorList" resultType="map">
        select * from t_hotel0907_roomfloor
    </select>
    <select id="findStateList" resultType="map">
        select * from t_hotel0907_roomstate
    </select>
    <insert id="add" parameterType="com.hao.dto.Hotel">
        insert into hotel0907 values(seq_t_hotel0907.nextval,#{roomnum},#{roomtype},#{roomfloor},#{roomstate},#{roomprice})
    </insert>
    <select id="findCheckList" resultType="map">
        select roomtype,count(roomtype) count from hotel0907 group by roomtype
    </select>
</mapper>

package com.hao.controller;

import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import com.hao.dto.Hotel;
import com.hao.service.IHotelService;

@Controller
public class HotelController {

    @Autowired
    private IHotelService iHotelService;
    @RequestMapping("list")
    public String list(HttpServletRequest request){
        List<Hotel> hotelList = iHotelService.findHotelList();
        request.setAttribute("hotelList", hotelList);
        return "list";
    }
    @RequestMapping("toAdd")
    public String toAdd(HttpServletRequest request){
        List<Map<String, Object>> roomtypeList = iHotelService.findTypeList();
        List<Map<String, Integer>> roomfloorList = iHotelService.findFloorList();
        System.out.println(roomfloorList);
        List<Map<String, Object>> roomstateList = iHotelService.findStateList();
        request.setAttribute("roomtypeList", roomtypeList);
        request.setAttribute("roomfloorList", roomfloorList);
        request.setAttribute("roomstateList", roomstateList);
        return "add";
    }
    @RequestMapping("add")
    public String add(Hotel hotel){
        iHotelService.add(hotel);
        return "redirect:list.do";
    }
    @RequestMapping("checkmsg")
    public String checkmsg(HttpServletRequest request){
        List<Map<String, Object>> checkList = iHotelService.findCheckList();
        request.setAttribute("checkList", checkList);
        return "checkmsg";
    }
}

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