How to implement nursing home management system in Java-javaTutorial-php.cn

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

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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