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How to implement nursing home management system in Java

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Release: 2023-05-11 08:22:05
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Running environment:

JDK1.8, tomcat8, eclipse, mysql5.6, Navicat

Function implementation:

User: user name, login password, name, Gender, date of birth, user photo, contact number, email, home address, registration time

Elderly person: Elderly number, name, gender, age, photo of the senior citizen, introduction to the senior citizen, registered user, registration time

Room type: room type id, room type name

Room: room number, room type, room name, room main picture, room price, room details, room status

Order: Order Number, check-in room, check-in elderly, check-in date, check-in time, total order amount, order status, order fee details, order time

Elder care: record id, information category, information title, information content, release time

Reception: Reception record id, reception category, reception theme, reception content, reception date

Department: department number, department name, establishment date, person in charge

Employee: Username, login password, department, name, gender, date of birth, employee photo, contact number, home address

Salary: salary id, employee, salary year, salary month, salary amount, payment date, salary Remark

How to implement nursing home management system in Java

How to implement nursing home management system in Java

How to implement nursing home management system in Java

How to implement nursing home management system in Java

How to implement nursing home management system in Java

User management control layer:

//UserInfo管理控制层
@Controller
@RequestMapping("/UserInfo")
public class UserInfoController extends BaseController {
 
    /*业务层对象*/
    @Resource UserInfoService userInfoService;
 
	@InitBinder("userInfo")
	public void initBinderUserInfo(WebDataBinder binder) {
		binder.setFieldDefaultPrefix("userInfo.");
	}
	/*跳转到添加UserInfo视图*/
	@RequestMapping(value = "/add", method = RequestMethod.GET)
	public String add(Model model,HttpServletRequest request) throws Exception {
		model.addAttribute(new UserInfo());
		return "UserInfo_add";
	}
 
	/*客户端ajax方式提交添加用户信息*/
	@RequestMapping(value = "/add", method = RequestMethod.POST)
	public void add(@Validated UserInfo userInfo, BindingResult br,
			Model model, HttpServletRequest request,HttpServletResponse response) throws Exception {
		String message = "";
		boolean success = false;
		if (br.hasErrors()) {
			message = "输入信息不符合要求!";
			writeJsonResponse(response, success, message);
			return ;
		}
		if(userInfoService.getUserInfo(userInfo.getUser_name()) != null) {
			message = "用户名已经存在!";
			writeJsonResponse(response, success, message);
			return ;
		}
		try {
			userInfo.setUserPhoto(this.handlePhotoUpload(request, "userPhotoFile"));
		} catch(UserException ex) {
			message = "图片格式不正确!";
			writeJsonResponse(response, success, message);
			return ;
		}
        userInfoService.addUserInfo(userInfo);
        message = "用户添加成功!";
        success = true;
        writeJsonResponse(response, success, message);
	}
	/*ajax方式按照查询条件分页查询用户信息*/
	@RequestMapping(value = { "/list" }, method = {RequestMethod.GET,RequestMethod.POST})
	public void list(String user_name,String name,String birthDate,String telephone,Integer page,Integer rows, Model model, HttpServletRequest request,HttpServletResponse response) throws Exception {
		if (page==null || page == 0) page = 1;
		if (user_name == null) user_name = "";
		if (name == null) name = "";
		if (birthDate == null) birthDate = "";
		if (telephone == null) telephone = "";
		if(rows != 0)userInfoService.setRows(rows);
		List<UserInfo> userInfoList = userInfoService.queryUserInfo(user_name, name, birthDate, telephone, page);
	    /*计算总的页数和总的记录数*/
	    userInfoService.queryTotalPageAndRecordNumber(user_name, name, birthDate, telephone);
	    /*获取到总的页码数目*/
	    int totalPage = userInfoService.getTotalPage();
	    /*当前查询条件下总记录数*/
	    int recordNumber = userInfoService.getRecordNumber();
        response.setContentType("text/json;charset=UTF-8");
		PrintWriter out = response.getWriter();
		//将要被返回到客户端的对象
		JSONObject jsonObj=new JSONObject();
		jsonObj.accumulate("total", recordNumber);
		JSONArray jsonArray = new JSONArray();
		for(UserInfo userInfo:userInfoList) {
			JSONObject jsonUserInfo = userInfo.getJsonObject();
			jsonArray.put(jsonUserInfo);
		}
		jsonObj.accumulate("rows", jsonArray);
		out.println(jsonObj.toString());
		out.flush();
		out.close();
	}
 
	/*ajax方式按照查询条件分页查询用户信息*/
	@RequestMapping(value = { "/listAll" }, method = {RequestMethod.GET,RequestMethod.POST})
	public void listAll(HttpServletResponse response) throws Exception {
		List<UserInfo> userInfoList = userInfoService.queryAllUserInfo();
        response.setContentType("text/json;charset=UTF-8"); 
		PrintWriter out = response.getWriter();
		JSONArray jsonArray = new JSONArray();
		for(UserInfo userInfo:userInfoList) {
			JSONObject jsonUserInfo = new JSONObject();
			jsonUserInfo.accumulate("user_name", userInfo.getUser_name());
			jsonUserInfo.accumulate("name", userInfo.getName());
			jsonArray.put(jsonUserInfo);
		}
		out.println(jsonArray.toString());
		out.flush();
		out.close();
	}
 
	/*前台按照查询条件分页查询用户信息*/
	@RequestMapping(value = { "/frontlist" }, method = {RequestMethod.GET,RequestMethod.POST})
	public String frontlist(String user_name,String name,String birthDate,String telephone,Integer currentPage, Model model, HttpServletRequest request) throws Exception  {
		if (currentPage==null || currentPage == 0) currentPage = 1;
		if (user_name == null) user_name = "";
		if (name == null) name = "";
		if (birthDate == null) birthDate = "";
		if (telephone == null) telephone = "";
		List<UserInfo> userInfoList = userInfoService.queryUserInfo(user_name, name, birthDate, telephone, currentPage);
	    /*计算总的页数和总的记录数*/
	    userInfoService.queryTotalPageAndRecordNumber(user_name, name, birthDate, telephone);
	    /*获取到总的页码数目*/
	    int totalPage = userInfoService.getTotalPage();
	    /*当前查询条件下总记录数*/
	    int recordNumber = userInfoService.getRecordNumber();
	    request.setAttribute("userInfoList",  userInfoList);
	    request.setAttribute("totalPage", totalPage);
	    request.setAttribute("recordNumber", recordNumber);
	    request.setAttribute("currentPage", currentPage);
	    request.setAttribute("user_name", user_name);
	    request.setAttribute("name", name);
	    request.setAttribute("birthDate", birthDate);
	    request.setAttribute("telephone", telephone);
		return "UserInfo/userInfo_frontquery_result"; 
	}
 
     /*前台查询UserInfo信息*/
	@RequestMapping(value="/{user_name}/frontshow",method=RequestMethod.GET)
	public String frontshow(@PathVariable String user_name,Model model,HttpServletRequest request) throws Exception {
		/*根据主键user_name获取UserInfo对象*/
        UserInfo userInfo = userInfoService.getUserInfo(user_name);
 
        request.setAttribute("userInfo",  userInfo);
        return "UserInfo/userInfo_frontshow";
	}
 
	/*ajax方式显示用户修改jsp视图页*/
	@RequestMapping(value="/{user_name}/update",method=RequestMethod.GET)
	public void update(@PathVariable String user_name,Model model,HttpServletRequest request,HttpServletResponse response) throws Exception {
        /*根据主键user_name获取UserInfo对象*/
        UserInfo userInfo = userInfoService.getUserInfo(user_name);
 
        response.setContentType("text/json;charset=UTF-8");
        PrintWriter out = response.getWriter();
		//将要被返回到客户端的对象 
		JSONObject jsonUserInfo = userInfo.getJsonObject();
		out.println(jsonUserInfo.toString());
		out.flush();
		out.close();
	}
 
	/*ajax方式更新用户信息*/
	@RequestMapping(value = "/{user_name}/update", method = RequestMethod.POST)
	public void update(@Validated UserInfo userInfo, BindingResult br,
			Model model, HttpServletRequest request,HttpServletResponse response) throws Exception {
		String message = "";
    	boolean success = false;
		if (br.hasErrors()) { 
			message = "输入的信息有错误!";
			writeJsonResponse(response, success, message);
			return;
		}
		String userPhotoFileName = this.handlePhotoUpload(request, "userPhotoFile");
		if(!userPhotoFileName.equals("upload/NoImage.jpg"))userInfo.setUserPhoto(userPhotoFileName); 
 
 
		try {
			userInfoService.updateUserInfo(userInfo);
			message = "用户更新成功!";
			success = true;
			writeJsonResponse(response, success, message);
		} catch (Exception e) {
			e.printStackTrace();
			message = "用户更新失败!";
			writeJsonResponse(response, success, message); 
		}
	}
    /*删除用户信息*/
	@RequestMapping(value="/{user_name}/delete",method=RequestMethod.GET)
	public String delete(@PathVariable String user_name,HttpServletRequest request) throws UnsupportedEncodingException {
		  try {
			  userInfoService.deleteUserInfo(user_name);
	            request.setAttribute("message", "用户删除成功!");
	            return "message";
	        } catch (Exception e) { 
	            e.printStackTrace();
	            request.setAttribute("error", "用户删除失败!");
				return "error";
 
	        }
 
	}
 
	/*ajax方式删除多条用户记录*/
	@RequestMapping(value="/deletes",method=RequestMethod.POST)
	public void delete(String user_names,HttpServletRequest request,HttpServletResponse response) throws IOException, JSONException {
		String message = "";
    	boolean success = false;
        try { 
        	int count = userInfoService.deleteUserInfos(user_names);
        	success = true;
        	message = count + "条记录删除成功";
        	writeJsonResponse(response, success, message);
        } catch (Exception e) { 
            //e.printStackTrace();
            message = "有记录存在外键约束,删除失败";
            writeJsonResponse(response, success, message);
        }
	}
 
	/*按照查询条件导出用户信息到Excel*/
	@RequestMapping(value = { "/OutToExcel" }, method = {RequestMethod.GET,RequestMethod.POST})
	public void OutToExcel(String user_name,String name,String birthDate,String telephone, Model model, HttpServletRequest request,HttpServletResponse response) throws Exception {
        if(user_name == null) user_name = "";
        if(name == null) name = "";
        if(birthDate == null) birthDate = "";
        if(telephone == null) telephone = "";
        List<UserInfo> userInfoList = userInfoService.queryUserInfo(user_name,name,birthDate,telephone);
        ExportExcelUtil ex = new ExportExcelUtil();
        String _title = "UserInfo信息记录"; 
        String[] headers = { "用户名","姓名","性别","出生日期","用户照片","联系电话","邮箱","注册时间"};
        List<String[]> dataset = new ArrayList<String[]>(); 
        for(int i=0;i<userInfoList.size();i++) {
        	UserInfo userInfo = userInfoList.get(i); 
        	dataset.add(new String[]{userInfo.getUser_name(),userInfo.getName(),userInfo.getGender(),userInfo.getBirthDate(),userInfo.getUserPhoto(),userInfo.getTelephone(),userInfo.getEmail(),userInfo.getRegTime()});
        }
        /*
        OutputStream out = null;
		try {
			out = new FileOutputStream("C://output.xls");
			ex.exportExcel(title,headers, dataset, out);
		    out.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
		*/
		OutputStream out = null;//创建一个输出流对象 
		try { 
			out = response.getOutputStream();//
			response.setHeader("Content-disposition","attachment; filename="+"UserInfo.xls");//filename是下载的xls的名,建议最好用英文 
			response.setContentType("application/msexcel;charset=UTF-8");//设置类型 
			response.setHeader("Pragma","No-cache");//设置头 
			response.setHeader("Cache-Control","no-cache");//设置头 
			response.setDateHeader("Expires", 0);//设置日期头  
			String rootPath = request.getSession().getServletContext().getRealPath("/");
			ex.exportExcel(rootPath,_title,headers, dataset, out);
			out.flush();
		} catch (IOException e) { 
			e.printStackTrace(); 
		}finally{
			try{
				if(out!=null){ 
					out.close(); 
				}
			}catch(IOException e){ 
				e.printStackTrace(); 
			} 
		}
    }
}
Copy after login

Administrator management control layer:

@Controller
@SessionAttributes("username")
public class SystemController { 
	
	@Resource AdminService adminService;  
	
	@Resource UserInfoService userInfoService;  
	
	@RequestMapping(value="/login",method=RequestMethod.GET)
	public String login(Model model) {
		model.addAttribute(new Admin());
		return "login";
	}
 
	//前台用户登录
	@RequestMapping(value="/frontLogin",method=RequestMethod.POST)
	public void frontLogin(@RequestParam("userName")String userName,@RequestParam("password")String password,HttpServletResponse response,HttpSession session) throws Exception { 
		boolean success = true;
		String msg = ""; 
 
		if (!userInfoService.checkLogin(userName, password)) { 
			msg = userInfoService.getErrMessage();
			success = false; 
		} 
		if(success) {
			session.setAttribute("user_name", userName); 
		}
  
        response.setContentType("text/json;charset=UTF-8");  
        PrintWriter out = response.getWriter();  
        //将要被返回到客户端的对象   
        JSONObject json=new JSONObject();   
        json.accumulate("success", success);
        json.accumulate("msg", msg);
        out.println(json.toString());   
        out.flush();  
        out.close();  
	}
 
 
	@RequestMapping(value="/login",method=RequestMethod.POST)
	public void login(@Validated Admin admin,BindingResult br,Model model,HttpServletRequest request,HttpServletResponse response,HttpSession session) throws Exception { 
		boolean success = true;
		String msg = ""; 
		if(br.hasErrors()) {
			msg = br.getAllErrors().toString();
			success = false;  
		} 
		if (!adminService.checkLogin(admin)) { 
			msg = adminService.getErrMessage();
			success = false; 
		} 
		if(success) {
			session.setAttribute("username", admin.getUsername()); 
		}  
        response.setContentType("text/json;charset=UTF-8");  
        PrintWriter out = response.getWriter();  
        //将要被返回到客户端的对象   
        JSONObject json=new JSONObject();   
        json.accumulate("success", success);
        json.accumulate("msg", msg);
        out.println(json.toString());   
        out.flush();  
        out.close();  
	}
	
	
	
	@RequestMapping("/logout")
	public String logout(Model model,HttpSession session) {
		model.asMap().remove("username"); 
		session.invalidate();
		return "redirect:/login";
	}
	
	
	@RequestMapping(value="/changePassword",method=RequestMethod.POST)
	public String ChangePassword(String oldPassword,String newPassword,String newPassword2,HttpServletRequest request,HttpSession session) throws Exception { 
		if(oldPassword.equals("")) throw new UserException("请输入旧密码!");
		if(newPassword.equals("")) throw new UserException("请输入新密码!");
		if(!newPassword.equals(newPassword2)) throw new UserException("两次新密码输入不一致"); 
		
		String username = (String)session.getAttribute("username");
		if(username == null) throw new UserException("session会话超时,请重新登录系统!");
		 
		
		Admin admin = adminService.findAdminByUserName(username); 
		if(!admin.getPassword().equals(oldPassword)) throw new UserException("输入的旧密码不正确!");
		
		try { 
			adminService.changePassword(username,newPassword);
			request.setAttribute("message", java.net.URLEncoder.encode(
					"密码修改成功!", "GBK"));
			return "message";
		} catch (Exception e) {
			e.printStackTrace();
			request.setAttribute("error", java.net.URLEncoder
					.encode("密码修改失败!","GBK"));
			return "error";
		}   
	}
	
	
	
	
}
Copy after login

Room management control layer:

//Room管理控制层
@Controller
@RequestMapping("/Room")
public class RoomController extends BaseController {
 
    /*业务层对象*/
    @Resource RoomService roomService;
 
    @Resource RoomTypeService roomTypeService;
	@InitBinder("roomTypeObj")
	public void initBinderroomTypeObj(WebDataBinder binder) {
		binder.setFieldDefaultPrefix("roomTypeObj.");
	}
	@InitBinder("room")
	public void initBinderRoom(WebDataBinder binder) {
		binder.setFieldDefaultPrefix("room.");
	}
	/*跳转到添加Room视图*/
	@RequestMapping(value = "/add", method = RequestMethod.GET)
	public String add(Model model,HttpServletRequest request) throws Exception {
		model.addAttribute(new Room());
		/*查询所有的RoomType信息*/
		List<RoomType> roomTypeList = roomTypeService.queryAllRoomType();
		request.setAttribute("roomTypeList", roomTypeList);
		return "Room_add";
	}
 
	/*客户端ajax方式提交添加房间信息*/
	@RequestMapping(value = "/add", method = RequestMethod.POST)
	public void add(@Validated Room room, BindingResult br,
			Model model, HttpServletRequest request,HttpServletResponse response) throws Exception {
		String message = "";
		boolean success = false;
		if (br.hasErrors()) {
			message = "输入信息不符合要求!";
			writeJsonResponse(response, success, message);
			return ;
		}
		if(roomService.getRoom(room.getRoomNo()) != null) {
			message = "房间编号已经存在!";
			writeJsonResponse(response, success, message);
			return ;
		}
		try {
			room.setMainPhoto(this.handlePhotoUpload(request, "mainPhotoFile"));
		} catch(UserException ex) {
			message = "图片格式不正确!";
			writeJsonResponse(response, success, message);
			return ;
		}
        roomService.addRoom(room);
        message = "房间添加成功!";
        success = true;
        writeJsonResponse(response, success, message);
	}
	/*ajax方式按照查询条件分页查询房间信息*/
	@RequestMapping(value = { "/list" }, method = {RequestMethod.GET,RequestMethod.POST})
	public void list(String roomNo,@ModelAttribute("roomTypeObj") RoomType roomTypeObj,String roomName,String roomState,Integer page,Integer rows, Model model, HttpServletRequest request,HttpServletResponse response) throws Exception {
		if (page==null || page == 0) page = 1;
		if (roomNo == null) roomNo = "";
		if (roomName == null) roomName = "";
		if (roomState == null) roomState = "";
		if(rows != 0)roomService.setRows(rows);
		List<Room> roomList = roomService.queryRoom(roomNo, roomTypeObj, roomName, roomState, page);
	    /*计算总的页数和总的记录数*/
	    roomService.queryTotalPageAndRecordNumber(roomNo, roomTypeObj, roomName, roomState);
	    /*获取到总的页码数目*/
	    int totalPage = roomService.getTotalPage();
	    /*当前查询条件下总记录数*/
	    int recordNumber = roomService.getRecordNumber();
        response.setContentType("text/json;charset=UTF-8");
		PrintWriter out = response.getWriter();
		//将要被返回到客户端的对象
		JSONObject jsonObj=new JSONObject();
		jsonObj.accumulate("total", recordNumber);
		JSONArray jsonArray = new JSONArray();
		for(Room room:roomList) {
			JSONObject jsonRoom = room.getJsonObject();
			jsonArray.put(jsonRoom);
		}
		jsonObj.accumulate("rows", jsonArray);
		out.println(jsonObj.toString());
		out.flush();
		out.close();
	}
 
	/*ajax方式按照查询条件分页查询房间信息*/
	@RequestMapping(value = { "/listAll" }, method = {RequestMethod.GET,RequestMethod.POST})
	public void listAll(HttpServletResponse response) throws Exception {
		List<Room> roomList = roomService.queryAllRoom();
        response.setContentType("text/json;charset=UTF-8"); 
		PrintWriter out = response.getWriter();
		JSONArray jsonArray = new JSONArray();
		for(Room room:roomList) {
			JSONObject jsonRoom = new JSONObject();
			jsonRoom.accumulate("roomNo", room.getRoomNo());
			jsonRoom.accumulate("roomName", room.getRoomName());
			jsonArray.put(jsonRoom);
		}
		out.println(jsonArray.toString());
		out.flush();
		out.close();
	}
 
	/*前台按照查询条件分页查询房间信息*/
	@RequestMapping(value = { "/frontlist" }, method = {RequestMethod.GET,RequestMethod.POST})
	public String frontlist(String roomNo,@ModelAttribute("roomTypeObj") RoomType roomTypeObj,String roomName,String roomState,Integer currentPage, Model model, HttpServletRequest request) throws Exception  {
		if (currentPage==null || currentPage == 0) currentPage = 1;
		if (roomNo == null) roomNo = "";
		if (roomName == null) roomName = "";
		if (roomState == null) roomState = "";
		List<Room> roomList = roomService.queryRoom(roomNo, roomTypeObj, roomName, roomState, currentPage);
	    /*计算总的页数和总的记录数*/
	    roomService.queryTotalPageAndRecordNumber(roomNo, roomTypeObj, roomName, roomState);
	    /*获取到总的页码数目*/
	    int totalPage = roomService.getTotalPage();
	    /*当前查询条件下总记录数*/
	    int recordNumber = roomService.getRecordNumber();
	    request.setAttribute("roomList",  roomList);
	    request.setAttribute("totalPage", totalPage);
	    request.setAttribute("recordNumber", recordNumber);
	    request.setAttribute("currentPage", currentPage);
	    request.setAttribute("roomNo", roomNo);
	    request.setAttribute("roomTypeObj", roomTypeObj);
	    request.setAttribute("roomName", roomName);
	    request.setAttribute("roomState", roomState);
	    List<RoomType> roomTypeList = roomTypeService.queryAllRoomType();
	    request.setAttribute("roomTypeList", roomTypeList);
		return "Room/room_frontquery_result"; 
	}
 
     /*前台查询Room信息*/
	@RequestMapping(value="/{roomNo}/frontshow",method=RequestMethod.GET)
	public String frontshow(@PathVariable String roomNo,Model model,HttpServletRequest request) throws Exception {
		/*根据主键roomNo获取Room对象*/
        Room room = roomService.getRoom(roomNo);
 
        List<RoomType> roomTypeList = roomTypeService.queryAllRoomType();
        request.setAttribute("roomTypeList", roomTypeList);
        request.setAttribute("room",  room);
        return "Room/room_frontshow";
	}
 
	/*ajax方式显示房间修改jsp视图页*/
	@RequestMapping(value="/{roomNo}/update",method=RequestMethod.GET)
	public void update(@PathVariable String roomNo,Model model,HttpServletRequest request,HttpServletResponse response) throws Exception {
        /*根据主键roomNo获取Room对象*/
        Room room = roomService.getRoom(roomNo);
 
        response.setContentType("text/json;charset=UTF-8");
        PrintWriter out = response.getWriter();
		//将要被返回到客户端的对象 
		JSONObject jsonRoom = room.getJsonObject();
		out.println(jsonRoom.toString());
		out.flush();
		out.close();
	}
 
	/*ajax方式更新房间信息*/
	@RequestMapping(value = "/{roomNo}/update", method = RequestMethod.POST)
	public void update(@Validated Room room, BindingResult br,
			Model model, HttpServletRequest request,HttpServletResponse response) throws Exception {
		String message = "";
    	boolean success = false;
		if (br.hasErrors()) { 
			message = "输入的信息有错误!";
			writeJsonResponse(response, success, message);
			return;
		}
		String mainPhotoFileName = this.handlePhotoUpload(request, "mainPhotoFile");
		if(!mainPhotoFileName.equals("upload/NoImage.jpg"))room.setMainPhoto(mainPhotoFileName); 
 
 
		try {
			roomService.updateRoom(room);
			message = "房间更新成功!";
			success = true;
			writeJsonResponse(response, success, message);
		} catch (Exception e) {
			e.printStackTrace();
			message = "房间更新失败!";
			writeJsonResponse(response, success, message); 
		}
	}
    /*删除房间信息*/
	@RequestMapping(value="/{roomNo}/delete",method=RequestMethod.GET)
	public String delete(@PathVariable String roomNo,HttpServletRequest request) throws UnsupportedEncodingException {
		  try {
			  roomService.deleteRoom(roomNo);
	            request.setAttribute("message", "房间删除成功!");
	            return "message";
	        } catch (Exception e) { 
	            e.printStackTrace();
	            request.setAttribute("error", "房间删除失败!");
				return "error";
 
	        }
 
	}
 
	/*ajax方式删除多条房间记录*/
	@RequestMapping(value="/deletes",method=RequestMethod.POST)
	public void delete(String roomNos,HttpServletRequest request,HttpServletResponse response) throws IOException, JSONException {
		String message = "";
    	boolean success = false;
        try { 
        	int count = roomService.deleteRooms(roomNos);
        	success = true;
        	message = count + "条记录删除成功";
        	writeJsonResponse(response, success, message);
        } catch (Exception e) { 
            //e.printStackTrace();
            message = "有记录存在外键约束,删除失败";
            writeJsonResponse(response, success, message);
        }
	}
 
	/*按照查询条件导出房间信息到Excel*/
	@RequestMapping(value = { "/OutToExcel" }, method = {RequestMethod.GET,RequestMethod.POST})
	public void OutToExcel(String roomNo,@ModelAttribute("roomTypeObj") RoomType roomTypeObj,String roomName,String roomState, Model model, HttpServletRequest request,HttpServletResponse response) throws Exception {
        if(roomNo == null) roomNo = "";
        if(roomName == null) roomName = "";
        if(roomState == null) roomState = "";
        List<Room> roomList = roomService.queryRoom(roomNo,roomTypeObj,roomName,roomState);
        ExportExcelUtil ex = new ExportExcelUtil();
        String _title = "Room信息记录"; 
        String[] headers = { "房间编号","房间类型","房间名称","房间主图","房间价格","房间状态"};
        List<String[]> dataset = new ArrayList<String[]>(); 
        for(int i=0;i<roomList.size();i++) {
        	Room room = roomList.get(i); 
        	dataset.add(new String[]{room.getRoomNo(),room.getRoomTypeObj().getTypeName(),room.getRoomName(),room.getMainPhoto(),room.getPrice() + "",room.getRoomState()});
        }
        /*
        OutputStream out = null;
		try {
			out = new FileOutputStream("C://output.xls");
			ex.exportExcel(title,headers, dataset, out);
		    out.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
		*/
		OutputStream out = null;//创建一个输出流对象 
		try { 
			out = response.getOutputStream();//
			response.setHeader("Content-disposition","attachment; filename="+"Room.xls");//filename是下载的xls的名,建议最好用英文 
			response.setContentType("application/msexcel;charset=UTF-8");//设置类型 
			response.setHeader("Pragma","No-cache");//设置头 
			response.setHeader("Cache-Control","no-cache");//设置头 
			response.setDateHeader("Expires", 0);//设置日期头  
			String rootPath = request.getSession().getServletContext().getRealPath("/");
			ex.exportExcel(rootPath,_title,headers, dataset, out);
			out.flush();
		} catch (IOException e) { 
			e.printStackTrace(); 
		}finally{
			try{
				if(out!=null){ 
					out.close(); 
				}
			}catch(IOException e){ 
				e.printStackTrace(); 
			} 
		}
    }
}
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