Java 实战项目之诚途旅游系统的实现流程

采用ssm架构实现的旅游网站系统 包括网站展示和后台管理功能，网站主要是页面浏览以及评论、制定旅游方案、智能推荐功能 后台就是维护网站展示的内容，添加旅游景点、管理用户、查看用户的搜索记录功能

酒店信息控制层：

/**
 * 控制器层
 *
 */
@Controller
@CrossOrigin
@RequestMapping("/hotel")
public class HotelController {

	@Autowired
	private HotelService hotelService;

	@Autowired
	private ScenicService scenicService;

	/**
	 * 查询全部酒店信息
	 * @return
	 */
	@ResponseBody
	@RequestMapping(value = "/list",method= RequestMethod.GET)
	public Result findAll(){
		List<Hotel> all = hotelService.findAll();
		return new Result(true, StatusCode.OK,"查询成功",all,all.size());
	}

	/**
	 * 根据ID查询
	 * @param id ID
	 * @return
	 */
	@ResponseBody
	@RequestMapping(value="/{id}",method= RequestMethod.GET)
	public Result findById(@PathVariable Long id){
		return new Result(true,StatusCode.OK,"查询成功",hotelService.findById(id));
	}

	/**
	 * 酒店添加操作
	 * @param hotel
	 */
	@ResponseBody
	@RequestMapping(value = "/add",method=RequestMethod.POST)
	public Result add(Hotel hotel){
		if(StringUtils.isEmpty(hotel.getName())){
			return new Result(false,StatusCode.ERROR,"请填写酒店名称");
		}
		if(StringUtils.isEmpty(hotel.getImg())){
			return new Result(false,StatusCode.ERROR,"请上传酒店封面图片");
		}
		if(StringUtils.isEmpty(hotel.getAddr())){
			return new Result(false,StatusCode.ERROR,"请填写酒店地址");
		}
		if(StringUtils.isEmpty(hotel.getMiaoshu())){
			return new Result(false,StatusCode.ERROR,"请填写酒店描述");
		}
		hotel.setCommentCount(0);
		hotel.setStar(0);
		if(hotelService.add(hotel)==null){
			return new Result(false,StatusCode.ERROR,"酒店添加失败");
		}
		return new Result(true,StatusCode.OK,"添加成功");
	}

	/**
	 * 分页+多条件查询
	 * @param searchMap 查询条件封装
	 * @param page 页码
	 * @param size 页大小
	 * @return 分页结果
	 */
	@ResponseBody
	@RequestMapping(value="/search/{page}/{size}",method=RequestMethod.POST)
	public Result findSearch(@RequestBody Map searchMap , @PathVariable int page, @PathVariable int size){
		Page<Hotel> pageList = hotelService.findSearch(searchMap, page, size);
		return  new Result(true,StatusCode.OK,"查询成功",  new PageResult<Hotel>(pageList.getTotalElements(), pageList.getContent()) );
	}

	/**
     * 根据条件查询
     * @param searchMap
     * @return
     */
	@ResponseBody
    @RequestMapping(value="/search",method = RequestMethod.POST)
    public Result findSearch( @RequestBody Map searchMap){
        return new Result(true,StatusCode.OK,"查询成功",hotelService.findSearch(searchMap));
    }

	/**
	 * 修改
	 * @param hotel
	 */
	@ResponseBody
	@RequestMapping(value="/edit",method= RequestMethod.PUT)
	public Result update(Hotel hotel){
		Hotel hotelById = hotelService.findById(hotel.getId());
		if(hotelById==null){
			return new Result(false,StatusCode.ERROR,"该酒店信息不存在");
		}
		if(StringUtils.isEmpty(hotel.getName())){
			return new Result(false,StatusCode.ERROR,"请填写酒店名称");
		}
		BeanUtils.copyProperties(hotel,hotelById,"id","img","miaoshu","day","startdate","addr","commentCount");
		if(hotelService.update(hotelById)==null){
			return new Result(false,StatusCode.ERROR,"酒店编辑失败");
		}
		return new Result(true,StatusCode.OK,"修改成功");
	}

	/**
	 * 删除
	 * @param id
	 */
	@ResponseBody
	@RequestMapping(value="/{id}",method= RequestMethod.DELETE)
	public Result delete(@PathVariable String id ){
		hotelService.deleteById(id);
		return new Result(true,StatusCode.OK,"删除成功");
	}

	/**
	 * 酒店列表跳转路径
	 * @return
	 */
	@RequestMapping(value = "/hotelList")
	public String hotelList(){
		return "admin/hotelmanage/hotelList";
	}

	@RequestMapping(value = "/hotelAdd")
	public String hotelAdd(){
		return "admin/hotelmanage/hotelAdd";
	}

	/**
	 * 查询单个酒店
	 * @param model
	 * @param id
	 * @return
	 */
	@RequestMapping("/oneAttr")
	public String One_attr(Model model, Long id){
		Hotel scenic=hotelService.findById(id);
		model.addAttribute("oneAttr",scenic);
		return "page/hotelDetail";
	}

	@RequestMapping("/local")
	public String localRefresh(Model model,Long id) {
		Hotel hotel=hotelService.findById(id);
			//	Sort sort=new Sort(Sort.Direction.DESC,"star");
			System.out.println("1111"+hotel.toString());
			List<Scenic> scenics=scenicService.findByCountryLike(hotel.getAddr());
			System.out.println("2222"+scenics.toString());
			Collections.sort(scenics, new Comparator<Scenic>() {
				@Override
				public int compare(Scenic o1, Scenic o2) {
					if (o1.getStart()<o2.getStart()){
						return 2;
					}
					if (o1.getStart().equals(o2.getStart()) ){
						return 1;
					}
					return -1;
				}
			});
			if (scenics.size()>=4){
				List newList=scenics.subList(0,3);
				model.addAttribute("scenics",newList);
			}else {
				model.addAttribute("scenics",scenics);
			}

		return "page/hotelDetail::table_refresh";
	}
}

管理员信息控制器层:

/**
 * 控制器层
 *
 */
@Controller
@CrossOrigin
@RequestMapping("/admin")
public class AdminController {

	@Autowired
	private AdminService adminService;

	@Autowired
	BCryptPasswordEncoder encoder;

	/**
	 * 查询全部数据
	 * @return
	 */
	@ResponseBody
	@RequestMapping(method= RequestMethod.GET)
	public Result findAll(){
		return new Result(true, StatusCode.OK,"查询成功",adminService.findAll());
	}

	/**
	 * 根据ID查询
	 * @param id ID
	 * @return
	 */
	@ResponseBody
	@RequestMapping(value="/{id}",method= RequestMethod.GET)
	public Result findById(@PathVariable Long id){
		return new Result(true,StatusCode.OK,"查询成功",adminService.findById(id));
	}

	/**
	 * 分页+多条件查询
	 * @param searchMap 查询条件封装
	 * @param page 页码
	 * @param size 页大小
	 * @return 分页结果
	 */
	@ResponseBody
	@RequestMapping(value="/search/{page}/{size}",method=RequestMethod.POST)
	public Result findSearch(@RequestBody Map searchMap , @PathVariable int page, @PathVariable int size){
		Page<Admin> pageList = adminService.findSearch(searchMap, page, size);
		return  new Result(true,StatusCode.OK,"查询成功",  new PageResult<Admin>(pageList.getTotalElements(), pageList.getContent()) );
	}

	/**
     * 根据条件查询
     * @param searchMap
     * @return
     */
	@ResponseBody
    @RequestMapping(value="/search",method = RequestMethod.POST)
    public Result findSearch( @RequestBody Map searchMap){
        return new Result(true,StatusCode.OK,"查询成功",adminService.findSearch(searchMap));
    }

	/**
	 * 增加
	 * @param admin
	 */
	@ResponseBody
	@RequestMapping(method=RequestMethod.POST)
	public Result add(@RequestBody Admin admin  ){
		adminService.add(admin);
		return new Result(true,StatusCode.OK,"增加成功");
	}

	/**
	 * 修改
	 * @param admin
	 */
	@ResponseBody
	@RequestMapping(value="/{id}",method= RequestMethod.PUT)
	public Result update(@RequestBody Admin admin, @PathVariable Long id ){
		admin.setId(id);
		adminService.update(admin);
		return new Result(true,StatusCode.OK,"修改成功");
	}

	/**
	 * 删除
	 * @param id
	 */
	@ResponseBody
	@RequestMapping(value="/{id}",method= RequestMethod.DELETE)
	public Result delete(@PathVariable String id ){
		adminService.deleteById(id);
		return new Result(true,StatusCode.OK,"删除成功");
	}

	/**
	 * 管理员跳转
	 * @return
	 */
	@RequestMapping(value = "/adminlogin")
	public String adminlogin()
	{
		return "admin/login/login";
	}

	/**
	 *  admin登录
	 * @param loginMap
	 * @param request
	 * @return
	 */
	@ResponseBody
	@RequestMapping(value="/login",method= RequestMethod.POST)
	public Result login(@RequestParam Map<String,String> loginMap,HttpServletRequest request){
		Admin admin = adminService.finbyNameAndPassword(loginMap.get("name"),loginMap.get("password"));
		if (admin!=null){

			request.getSession().setAttribute("admin",admin);
			Map map=new HashMap();
			map.put("name",admin.getName());
			return new Result(true,StatusCode.OK,"登录成功");
		}else {
			return new Result(false,StatusCode.ERROR,"账号密码错误");
		}
	}

	/**
	 * 管理员登录成功
	 * @return
	 */
	@RequestMapping(value = "/index")
	public String success(){
		return "admin/index";
	}

	/**
	 * 用户列表
	 * @return
	 */
	@RequestMapping(value = "/userList")
	public String user(){
		return "admin/usermanage/userList";
	}

	@RequestMapping(value = "/echars")
	public String analysis(){
		return "admin/echars/console";
	}

	/**
	 * 管理员退出登录
	 * @return
	 */
	@RequestMapping(value = "/logout")
	public String logout(HttpSession session){
		session.removeAttribute("admin");
		return "admin/login/login";
	}

	/**
	 * 管理员修改密码
	 * @return
	 */
	@ResponseBody
	@RequestMapping(value = "/passwd")
	public Result passwd(HttpSession session,String passwd,String oldpad){

		Admin admindmin= (Admin) session.getAttribute("admin");
		Admin admins=adminService.findById(admindmin.getId());
		boolean old=encoder.matches(oldpad,admins.getPassword());
		if (old){
			String newPassd=encoder.encode(passwd);
			admins.setPassword(newPassd);
			adminService.update(admins);
			return new Result(true,StatusCode.OK,"成功");
		}else {
			return new Result(false,StatusCode.ERROR,"更新失败");
		}
	}

}

景点信息控制层：

/**
 * 景点信息控制层
 */
@Controller
@CrossOrigin
@RequestMapping("/travel")
public class RecomTravelController {

    @Autowired
    private ScenicService scenicService;

    @Autowired
    private ScenicDao scenicDao;

    @Autowired
    private HotelService hotelService;

    @Autowired
    private HotelDao hotelDao;

    /**
     *查询星级
     * @return
     */
    @ResponseBody
    @RequestMapping(value = "/star",method = RequestMethod.POST)
    public Result judgeStar(String id,String start){
        System.out.println(id+"===="+start);
        Optional<Scenic> s = scenicDao.findById(id);
        if (s.isPresent()){
            Scenic scenic = s.get();
            int valuestar = (Integer.valueOf(start)+Integer.valueOf(scenic.getStart()))/2;
            scenic.setStart(valuestar);
            scenicDao.save(scenic);
            System.out.println("数据不为空！");
            return new Result(true,1,"","");
        }else {
            System.out.println("数据为空！");
            return new Result(false,0,"","");

        }

    }

    /**
     *查询星级
     * @return
     */
    @ResponseBody
    @RequestMapping(value = "/hotel",method = RequestMethod.POST)
    public Result judgeHotelStar(Long id,String start){
        Hotel scenic = hotelService.findById(id);
        if (scenic!=null){
            int valuestar = (Integer.valueOf(start)+Integer.valueOf(scenic.getStar()))/2;
            scenic.setStar(valuestar);
            hotelDao.save(scenic);
            System.out.println("数据不为空！");
            return new Result(true,1,"","");
        }else {
            System.out.println("数据为空！");
            return new Result(false,0,"","");

        }

    }

    /**
     * 查询单个景点
     * @param model
     * @param id
     * @return
     */
    @RequestMapping("/oneAttr")
    public String One_attr(Model model,Long id){
        Scenic scenic=scenicService.findById(id);
        model.addAttribute("oneAttr",scenic);
        return "page/product";
    }

    /**
     * 景点模糊查询分页
     * @param model
     * @param start
     * @param limit
     * @param search_key
     * @return
     */
    @RequestMapping("/search_attrs")
    public String search_attrs(Model model,@RequestParam(value = "start" ,defaultValue = "0")Integer start,
                             @RequestParam(value = "limit" ,defaultValue = "6")Integer limit,
                               @RequestParam String search_key){
        start=start<0?0:start;
        Sort sort=new Sort(Sort.Direction.DESC,"id");
        Pageable pageable=PageRequest.of(start,limit,sort);
        Specification specification=new Specification() {
            @Override
            public Predicate toPredicate(Root root, CriteriaQuery criteriaQuery, CriteriaBuilder criteriaBuilder) {
                List<Predicate> scenics=new ArrayList<>();
                if (StringUtils.isNotBlank(search_key)){
                    scenics.add( criteriaBuilder.like(root.get("name"),"%"+search_key+"%"));
                }
                return criteriaBuilder.and(scenics.toArray(new Predicate[scenics.size()]));
            }
        };
        Page<Scenic> page=scenicDao.findAll(specification,pageable);

        model.addAttribute("name",search_key);
        model.addAttribute("attrs",page);
        model.addAttribute("number",page.getNumber());
        model.addAttribute("numberOfElements",page.getNumberOfElements());
        model.addAttribute("size",page.getSize());
        model.addAttribute("totalElements",page.getTotalElements());
        model.addAttribute("totalPages",page.getTotalPages());
        model.addAttribute("first",page.isFirst());
        model.addAttribute("last",page.isLast());
        return "page/travel";
    }

    @RequestMapping("/local")
    public String localRefresh(Model model,Long id) {
        Scenic scenic=scenicService.findById(id);
        System.out.println(scenic.toString());
        List<Hotel> hotels=hotelService.findByCountryLike(scenic.getContry());
        Collections.sort(hotels, new Comparator<Hotel>() {
            @Override
            public int compare(Hotel o1, Hotel o2) {
                if (o1.getStar()<o2.getStar()){
                    return 2;
                }
                if (o1.getStar().equals(o2.getStar()) ){
                    return 1;
                }
                return -1;
            }
        });
        if (hotels.size()>=4){
            List newList=hotels.subList(0,3);
            model.addAttribute("scenics",newList);
            System.out.println("个数："+newList.size());
        }else {
            model.addAttribute("scenics",hotels);
            System.out.println("个数2："+hotels.size());

        }
        return "page/product::table_refresh";
    }

}

订单控制器层：

/**
 * 订单控制器层
 *
 */
@Controller
@CrossOrigin
@RequestMapping("/orders")
public class OrdersController {

	@Autowired
	private OrdersService ordersService;

	@Autowired
	private HotelOrdersService hotel_ordersService;

	@Autowired
	private HotelService hotelService;

	@Autowired
	private ScenicService scenicService;

	/**
	 * 查询全部数据
	 * @return
	 */
	@ResponseBody
	@RequestMapping(value = "/list",method= RequestMethod.GET)
	public Result findAll(){
		List<Orders> all = ordersService.findAll();
		return new Result(true, StatusCode.OK,"查询成功",all,all.size());
	}

	/**
	 * 查询全部订单
	 * @return
	 */
	@ResponseBody
	@RequestMapping(value = "/allorders",method = RequestMethod.POST)
	public String findAllOrders(HttpSession session, Model model) throws ParseException {
		User user= (User) session.getAttribute("user");
		model.addAttribute("orders",ordersService.findOrders(user.getId().toString()));
		return "index_header::table_refresh";
	}

	/**
	 * 查询全部订单
	 * @return
	 */
	@ResponseBody
	@RequestMapping(value = "/allorder",method = RequestMethod.POST)
	public List<Orders> findAllOrder(HttpSession session) throws ParseException {
		User user= (User) session.getAttribute("user");
		return ordersService.findOrders(user.getId().toString());
	}

	/**
	 * 查询全部订单
	 * @return
	 */
	@ResponseBody
	@RequestMapping(value = "/allorderhotel",method = RequestMethod.POST)
	public List<HotelOrders> findAllOrderHotel(HttpSession session){
		User user= (User) session.getAttribute("user");
		List<HotelOrders> hotel_orders=hotel_ordersService.hotel_orders(user.getId());
		return hotel_orders;
	}

	/**
	 * 根据ID查询
	 * @param id ID
	 * @return
	 */
	@ResponseBody
	@RequestMapping(value="/{id}",method= RequestMethod.GET)
	public Result findById(@PathVariable Long id){
		return new Result(true,StatusCode.OK,"查询成功",ordersService.findById(id));
	}

	/**
	 * 分页+多条件查询
	 * @param searchMap 查询条件封装
	 * @param page 页码
	 * @param size 页大小
	 * @return 分页结果
	 */
	@ResponseBody
	@RequestMapping(value="/search/{page}/{size}",method=RequestMethod.POST)
	public Result findSearch(@RequestBody Map searchMap , @PathVariable int page, @PathVariable int size){
		Page<Orders> pageList = ordersService.findSearch(searchMap, page, size);
		return  new Result(true,StatusCode.OK,"查询成功",  new PageResult<Orders>(pageList.getTotalElements(), pageList.getContent()) );
	}

	/**
     * 根据条件查询
     * @param searchMap
     * @return
     */
	@ResponseBody
    @RequestMapping(value="/search",method = RequestMethod.POST)
    public Result findSearch( @RequestBody Map searchMap){
        return new Result(true,StatusCode.OK,"查询成功",ordersService.findSearch(searchMap));
    }

	/**
	 * 订单添加操作
	 * @param orders
	 */
	@ResponseBody
	@RequestMapping(value ="/add",method=RequestMethod.POST)
	public Result add(Orders orders, HttpSession session){
		//获取数量
		User user = (User) session.getAttribute("user");
		if (user == null){
			return new Result(false,StatusCode.ACCESSERROR,"请登录");
		}

		return ordersService.add(orders,user.getId(),orders.getId(),orders.getQty());
	}

	/**
	 * 修改
	 * @param
	 */
	@ResponseBody
	@RequestMapping(value="/{id}",method= RequestMethod.PUT)
	public Result update(@PathVariable Long id){
		ordersService.updateStatus(id);
		return new Result(true,StatusCode.OK,"修改成功");
	}

	/**
	 * 删除
	 * @param id
	 */
	@ResponseBody
	@RequestMapping(value="/{id}",method= RequestMethod.DELETE)
	public Result delete(@PathVariable Long id ){
		ordersService.deleteById(id);
		return new Result(true,StatusCode.OK,"删除成功");
	}

	@RequestMapping(value = "/ordersList")
	public String ordersList(){
		return "admin/ordersmanage/orderslist";
	}

	/**
	 * 酒店评分
	 * @param hotel
	 * @return
	 */
	@ResponseBody
	@PostMapping("/hotelOrderStar")
	public Result hotelOrderStar(Hotel hotel,@RequestParam("orderId")Long orderId){
		Long id = hotel.getId();
		Hotel newHotel = hotelService.findById(id);
		if(newHotel==null){
			return new Result(false,StatusCode.ERROR,"未找到该酒店!");
		}
		Integer currentStar = hotel.getStar();
		Integer totalStar = newHotel.getStar();
		if(currentStar<0){
			return new Result(false,StatusCode.ERROR,"请选择评分!");
		}
		Integer commentCount = newHotel.getCommentCount();
		commentCount=commentCount+1;
		totalStar=currentStar+totalStar;
		int avgStar = totalStar / commentCount;
		hotel.setCommentCount(commentCount);
		hotel.setStar(avgStar);
		Integer hotel1 = hotelService.updateStar(hotel);
		hotel_ordersService.updateStarStatus(orderId);
		if(hotel1==null){
			return new Result(false,StatusCode.ERROR,"评分更新失败!");
		}
		return new Result(true,StatusCode.OK,"评价成功!");
	}

	/**
	 * 景点评分
	 * @param scenic
	 * @return
	 */
	@ResponseBody
	@PostMapping("/travelOrderStar")
	public Result travelOrderStar(Scenic scenic,@RequestParam("orderId")Long orderId){
		Long id = scenic.getId();
		Scenic newScenic = scenicService.findById(id);
		if(newScenic==null){
			return new Result(false,StatusCode.ERROR,"未找到该景点!");
		}
		Integer totalStar = newScenic.getStart();
		Integer currentStar = scenic.getStart();
		if(currentStar<0){
			return new Result(false,StatusCode.ERROR,"请选择评分!");
		}
		Integer commentCount = newScenic.getCommentCount();
		commentCount=commentCount+1;
		totalStar=currentStar+totalStar;
		int avgStar = totalStar / commentCount;
		scenic.setCommentCount(commentCount);
		scenic.setStart(avgStar);
		Integer scenic1 = scenicService.updateStar(scenic);
		ordersService.updateStarStatus(orderId);
		if(scenic1==null){
			return new Result(false,StatusCode.ERROR,"评分更新失败!");
		}
		return new Result(true,StatusCode.OK,"评价成功!");
	}

}

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