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本文小編為大家詳細介紹“Java怎么實現養老院管理系統”，內容詳細，步驟清晰，細節處理妥當，希望這篇“Java怎么實現養老院管理系統”文章能幫助大家解決疑惑，下面跟著小編的思路慢慢深入，一起來學習新知識吧。
JDK1.8、tomcat8、eclipse、mysql5.6、Navicat
用戶: 用戶名,登錄密碼,姓名,性別,出生日期,用戶照片,聯系電話,郵箱,家庭地址,注冊時間
老人: 老人編號,姓名,性別,年齡,老人照片,老人介紹,登記用戶,登記時間
房間類型: 房間類型id,房間類型名稱
房間: 房間編號,房間類型,房間名稱,房間主圖,房間價格,房間詳情,房間狀態
訂單: 訂單編號,入住房間,入住老人,入住日期,入住時間,訂單總金額,訂單狀態,訂單費用明細,訂單時間
老人看護: 記錄id,信息類別,信息標題,信息內容,發布時間
接待: 接待記錄id,接待類別,接待主題,接待內容,接待日期
部門: 部門編號,部門名稱,成立日期,負責人
員工: 用戶名,登錄密碼,所在部門,姓名,性別,出生日期,員工照片,聯系電話,家庭地址
工資: 工資id,員工,工資年份,工資月份,工資金額,發放日期,工資備注
用戶管理控制層：
//UserInfo管理控制層
@Controller
@RequestMapping("/UserInfo")
public class UserInfoController extends BaseController {
/*業務層對象*/
@Resource UserInfoService userInfoService;
@InitBinder("userInfo")
public void initBinderUserInfo(WebDataBinder binder) {
binder.setFieldDefaultPrefix("userInfo.");
}
/*跳轉到添加UserInfo視圖*/
@RequestMapping(value = "/add", method = RequestMethod.GET)
public String add(Model model,HttpServletRequest request) throws Exception {
model.addAttribute(new UserInfo());
return "UserInfo_add";
}
/*客戶端ajax方式提交添加用戶信息*/
@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 = "輸入信息不符合要求！";
writeJsonResponse(response, success, message);
return ;
}
if(userInfoService.getUserInfo(userInfo.getUser_name()) != null) {
message = "用戶名已經存在！";
writeJsonResponse(response, success, message);
return ;
}
try {
userInfo.setUserPhoto(this.handlePhotoUpload(request, "userPhotoFile"));
} catch(UserException ex) {
message = "圖片格式不正確！";
writeJsonResponse(response, success, message);
return ;
}
userInfoService.addUserInfo(userInfo);
message = "用戶添加成功!";
success = true;
writeJsonResponse(response, success, message);
}
/*ajax方式按照查詢條件分頁查詢用戶信息*/
@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);
/*計算總的頁數和總的記錄數*/
userInfoService.queryTotalPageAndRecordNumber(user_name, name, birthDate, telephone);
/*獲取到總的頁碼數目*/
int totalPage = userInfoService.getTotalPage();
/*當前查詢條件下總記錄數*/
int recordNumber = userInfoService.getRecordNumber();
response.setContentType("text/json;charset=UTF-8");
PrintWriter out = response.getWriter();
//將要被返回到客戶端的對象
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方式按照查詢條件分頁查詢用戶信息*/
@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();
}
/*前臺按照查詢條件分頁查詢用戶信息*/
@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);
/*計算總的頁數和總的記錄數*/
userInfoService.queryTotalPageAndRecordNumber(user_name, name, birthDate, telephone);
/*獲取到總的頁碼數目*/
int totalPage = userInfoService.getTotalPage();
/*當前查詢條件下總記錄數*/
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";
}
/*前臺查詢UserInfo信息*/
@RequestMapping(value="/{user_name}/frontshow",method=RequestMethod.GET)
public String frontshow(@PathVariable String user_name,Model model,HttpServletRequest request) throws Exception {
/*根據主鍵user_name獲取UserInfo對象*/
UserInfo userInfo = userInfoService.getUserInfo(user_name);
request.setAttribute("userInfo", userInfo);
return "UserInfo/userInfo_frontshow";
}
/*ajax方式顯示用戶修改jsp視圖頁*/
@RequestMapping(value="/{user_name}/update",method=RequestMethod.GET)
public void update(@PathVariable String user_name,Model model,HttpServletRequest request,HttpServletResponse response) throws Exception {
/*根據主鍵user_name獲取UserInfo對象*/
UserInfo userInfo = userInfoService.getUserInfo(user_name);
response.setContentType("text/json;charset=UTF-8");
PrintWriter out = response.getWriter();
//將要被返回到客戶端的對象
JSONObject jsonUserInfo = userInfo.getJsonObject();
out.println(jsonUserInfo.toString());
out.flush();
out.close();
}
/*ajax方式更新用戶信息*/
@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 = "輸入的信息有錯誤！";
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 = "用戶更新成功!";
success = true;
writeJsonResponse(response, success, message);
} catch (Exception e) {
e.printStackTrace();
message = "用戶更新失敗!";
writeJsonResponse(response, success, message);
}
}
/*刪除用戶信息*/
@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", "用戶刪除成功!");
return "message";
} catch (Exception e) {
e.printStackTrace();
request.setAttribute("error", "用戶刪除失敗!");
return "error";
}
}
/*ajax方式刪除多條用戶記錄*/
@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 + "條記錄刪除成功";
writeJsonResponse(response, success, message);
} catch (Exception e) {
//e.printStackTrace();
message = "有記錄存在外鍵約束,刪除失敗";
writeJsonResponse(response, success, message);
}
}
/*按照查詢條件導出用戶信息到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信息記錄";
String[] headers = { "用戶名","姓名","性別","出生日期","用戶照片","聯系電話","郵箱","注冊時間"};
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;//創建一個輸出流對象
try {
out = response.getOutputStream();//
response.setHeader("Content-disposition","attachment; filename="+"UserInfo.xls");//filename是下載的xls的名，建議最好用英文
response.setContentType("application/msexcel;charset=UTF-8");//設置類型
response.setHeader("Pragma","No-cache");//設置頭
response.setHeader("Cache-Control","no-cache");//設置頭
response.setDateHeader("Expires", 0);//設置日期頭
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();
}
}
}
}管理員管理控制層：
@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";
}
//前臺用戶登錄
@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();
//將要被返回到客戶端的對象
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();
//將要被返回到客戶端的對象
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("請輸入舊密碼！");
if(newPassword.equals("")) throw new UserException("請輸入新密碼！");
if(!newPassword.equals(newPassword2)) throw new UserException("兩次新密碼輸入不一致");
String username = (String)session.getAttribute("username");
if(username == null) throw new UserException("session會話超時，請重新登錄系統!");
Admin admin = adminService.findAdminByUserName(username);
if(!admin.getPassword().equals(oldPassword)) throw new UserException("輸入的舊密碼不正確!");
try {
adminService.changePassword(username,newPassword);
request.setAttribute("message", java.net.URLEncoder.encode(
"密碼修改成功!", "GBK"));
return "message";
} catch (Exception e) {
e.printStackTrace();
request.setAttribute("error", java.net.URLEncoder
.encode("密碼修改失敗!","GBK"));
return "error";
}
}
}房間管理控制層：
//Room管理控制層
@Controller
@RequestMapping("/Room")
public class RoomController extends BaseController {
/*業務層對象*/
@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.");
}
/*跳轉到添加Room視圖*/
@RequestMapping(value = "/add", method = RequestMethod.GET)
public String add(Model model,HttpServletRequest request) throws Exception {
model.addAttribute(new Room());
/*查詢所有的RoomType信息*/
List<RoomType> roomTypeList = roomTypeService.queryAllRoomType();
request.setAttribute("roomTypeList", roomTypeList);
return "Room_add";
}
/*客戶端ajax方式提交添加房間信息*/
@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 = "輸入信息不符合要求！";
writeJsonResponse(response, success, message);
return ;
}
if(roomService.getRoom(room.getRoomNo()) != null) {
message = "房間編號已經存在！";
writeJsonResponse(response, success, message);
return ;
}
try {
room.setMainPhoto(this.handlePhotoUpload(request, "mainPhotoFile"));
} catch(UserException ex) {
message = "圖片格式不正確！";
writeJsonResponse(response, success, message);
return ;
}
roomService.addRoom(room);
message = "房間添加成功!";
success = true;
writeJsonResponse(response, success, message);
}
/*ajax方式按照查詢條件分頁查詢房間信息*/
@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);
/*計算總的頁數和總的記錄數*/
roomService.queryTotalPageAndRecordNumber(roomNo, roomTypeObj, roomName, roomState);
/*獲取到總的頁碼數目*/
int totalPage = roomService.getTotalPage();
/*當前查詢條件下總記錄數*/
int recordNumber = roomService.getRecordNumber();
response.setContentType("text/json;charset=UTF-8");
PrintWriter out = response.getWriter();
//將要被返回到客戶端的對象
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方式按照查詢條件分頁查詢房間信息*/
@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();
}
/*前臺按照查詢條件分頁查詢房間信息*/
@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);
/*計算總的頁數和總的記錄數*/
roomService.queryTotalPageAndRecordNumber(roomNo, roomTypeObj, roomName, roomState);
/*獲取到總的頁碼數目*/
int totalPage = roomService.getTotalPage();
/*當前查詢條件下總記錄數*/
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";
}
/*前臺查詢Room信息*/
@RequestMapping(value="/{roomNo}/frontshow",method=RequestMethod.GET)
public String frontshow(@PathVariable String roomNo,Model model,HttpServletRequest request) throws Exception {
/*根據主鍵roomNo獲取Room對象*/
Room room = roomService.getRoom(roomNo);
List<RoomType> roomTypeList = roomTypeService.queryAllRoomType();
request.setAttribute("roomTypeList", roomTypeList);
request.setAttribute("room", room);
return "Room/room_frontshow";
}
/*ajax方式顯示房間修改jsp視圖頁*/
@RequestMapping(value="/{roomNo}/update",method=RequestMethod.GET)
public void update(@PathVariable String roomNo,Model model,HttpServletRequest request,HttpServletResponse response) throws Exception {
/*根據主鍵roomNo獲取Room對象*/
Room room = roomService.getRoom(roomNo);
response.setContentType("text/json;charset=UTF-8");
PrintWriter out = response.getWriter();
//將要被返回到客戶端的對象
JSONObject jsonRoom = room.getJsonObject();
out.println(jsonRoom.toString());
out.flush();
out.close();
}
/*ajax方式更新房間信息*/
@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 = "輸入的信息有錯誤！";
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 = "房間更新成功!";
success = true;
writeJsonResponse(response, success, message);
} catch (Exception e) {
e.printStackTrace();
message = "房間更新失敗!";
writeJsonResponse(response, success, message);
}
}
/*刪除房間信息*/
@RequestMapping(value="/{roomNo}/delete",method=RequestMethod.GET)
public String delete(@PathVariable String roomNo,HttpServletRequest request) throws UnsupportedEncodingException {
try {
roomService.deleteRoom(roomNo);
request.setAttribute("message", "房間刪除成功!");
return "message";
} catch (Exception e) {
e.printStackTrace();
request.setAttribute("error", "房間刪除失敗!");
return "error";
}
}
/*ajax方式刪除多條房間記錄*/
@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 + "條記錄刪除成功";
writeJsonResponse(response, success, message);
} catch (Exception e) {
//e.printStackTrace();
message = "有記錄存在外鍵約束,刪除失敗";
writeJsonResponse(response, success, message);
}
}
/*按照查詢條件導出房間信息到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信息記錄";
String[] headers = { "房間編號","房間類型","房間名稱","房間主圖","房間價格","房間狀態"};
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;//創建一個輸出流對象
try {
out = response.getOutputStream();//
response.setHeader("Content-disposition","attachment; filename="+"Room.xls");//filename是下載的xls的名，建議最好用英文
response.setContentType("application/msexcel;charset=UTF-8");//設置類型
response.setHeader("Pragma","No-cache");//設置頭
response.setHeader("Cache-Control","no-cache");//設置頭
response.setDateHeader("Expires", 0);//設置日期頭
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();
}
}
}
}讀到這里，這篇“Java怎么實現養老院管理系統”文章已經介紹完畢，想要掌握這篇文章的知識點還需要大家自己動手實踐使用過才能領會，如果想了解更多相關內容的文章，歡迎關注億速云行業資訊頻道。
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