源码获取：俺的博客首页 "资源" 里下载！

首页展示:

登录、注册、验证码、首页、系统公告、社区新闻、服务项目、活动项目、申请监护、留言反馈

后台管理:

轮播图管理、系统公告管理、资源管理、系统用户、管理员 、用户、服务人员管理、模块管理(服务项目、服务类型、服务申请、服务订单、活动项目、参加活动、申请监护、监护列表、健康提醒、休息安排、应急事件、留言反馈)

环境需要

1.运行环境：最好是java jdk 1.8，我们在这个平台上运行的。其他版本理论上也可以。
2.IDE环境：IDEA，Eclipse,Myeclipse都可以。推荐IDEA;
3.tomcat环境：Tomcat 7.x,8.x,9.x版本均可
4.硬件环境：windows 7/8/10 1G内存以上；或者 Mac OS； 
5.数据库：MySql 5.7或8.0版本；
6.是否Maven项目：是；

技术栈

1. 后端：SpringBoot+mybatis-plus
2. 前端：java+JQuery+HTML+JSP+mysql

使用说明

1. 使用Navicat或者其它工具，在mysql中创建对应名称的数据库，并导入项目的sql文件；
2. 使用IDEA/Eclipse/MyEclipse导入项目，导入成功后请执行maven clean;maven install命令，然后运行；
3. 将项目中application.yml配置文件中的数据库配置改为自己的配置;
4. 运行项目，在浏览器中输入http://localhost:8080/ 登录

登陆注册:

后台管理页面：

后台模块功能页面：

后台服务项目展示页面：

活动项目展示页面：

首页功能展示:

活动项目页面展示：

后台公告新闻展示：

老人管理控制层： 

//OldMan管理控制层
@Controller
@RequestMapping("/OldMan")
public class OldManController extends BaseController {

    /*业务层对象*/
    @Resource OldManService oldManService;

    @Resource UserInfoService userInfoService;
	@InitBinder("userObj")
	public void initBinderuserObj(WebDataBinder binder) {
		binder.setFieldDefaultPrefix("userObj.");
	}
	@InitBinder("oldMan")
	public void initBinderOldMan(WebDataBinder binder) {
		binder.setFieldDefaultPrefix("oldMan.");
	}
	/*跳转到添加OldMan视图*/
	@RequestMapping(value = "/add", method = RequestMethod.GET)
	public String add(Model model,HttpServletRequest request) throws Exception {
		model.addAttribute(new OldMan());
		/*查询所有的UserInfo信息*/
		List<UserInfo> userInfoList = userInfoService.queryAllUserInfo();
		request.setAttribute("userInfoList", userInfoList);
		return "OldMan_add";
	}

	/*客户端ajax方式提交添加老人信息*/
	@RequestMapping(value = "/add", method = RequestMethod.POST)
	public void add(@Validated OldMan oldMan, 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 ;
		}
		try {
			oldMan.setManPhoto(this.handlePhotoUpload(request, "manPhotoFile"));
		} catch(UserException ex) {
			message = "图片格式不正确！";
			writeJsonResponse(response, success, message);
			return ;
		}
        oldManService.addOldMan(oldMan);
        message = "老人添加成功!";
        success = true;
        writeJsonResponse(response, success, message);
	}
	/*ajax方式按照查询条件分页查询老人信息*/
	@RequestMapping(value = { "/list" }, method = {RequestMethod.GET,RequestMethod.POST})
	public void list(String name,@ModelAttribute("userObj") UserInfo userObj,String addTime,Integer page,Integer rows, Model model, HttpServletRequest request,HttpServletResponse response) throws Exception {
		if (page==null || page == 0) page = 1;
		if (name == null) name = "";
		if (addTime == null) addTime = "";
		if(rows != 0)oldManService.setRows(rows);
		List<OldMan> oldManList = oldManService.queryOldMan(name, userObj, addTime, page);
	    /*计算总的页数和总的记录数*/
	    oldManService.queryTotalPageAndRecordNumber(name, userObj, addTime);
	    /*获取到总的页码数目*/
	    int totalPage = oldManService.getTotalPage();
	    /*当前查询条件下总记录数*/
	    int recordNumber = oldManService.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(OldMan oldMan:oldManList) {
			JSONObject jsonOldMan = oldMan.getJsonObject();
			jsonArray.put(jsonOldMan);
		}
		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老人信息*/
	@RequestMapping(value = { "/listAll" }, method = {RequestMethod.GET,RequestMethod.POST})
	public void listAll(HttpServletResponse response) throws Exception {
		List<OldMan> oldManList = oldManService.queryAllOldMan();
        response.setContentType("text/json;charset=UTF-8"); 
		PrintWriter out = response.getWriter();
		JSONArray jsonArray = new JSONArray();
		for(OldMan oldMan:oldManList) {
			JSONObject jsonOldMan = new JSONObject();
			jsonOldMan.accumulate("oldManId", oldMan.getOldManId());
			jsonOldMan.accumulate("name", oldMan.getName());
			jsonArray.put(jsonOldMan);
		}
		out.println(jsonArray.toString());
		out.flush();
		out.close();
	}

	/*前台按照查询条件分页查询老人信息*/
	@RequestMapping(value = { "/frontlist" }, method = {RequestMethod.GET,RequestMethod.POST})
	public String frontlist(String name,@ModelAttribute("userObj") UserInfo userObj,String addTime,Integer currentPage, Model model, HttpServletRequest request) throws Exception  {
		if (currentPage==null || currentPage == 0) currentPage = 1;
		if (name == null) name = "";
		if (addTime == null) addTime = "";
		List<OldMan> oldManList = oldManService.queryOldMan(name, userObj, addTime, currentPage);
	    /*计算总的页数和总的记录数*/
	    oldManService.queryTotalPageAndRecordNumber(name, userObj, addTime);
	    /*获取到总的页码数目*/
	    int totalPage = oldManService.getTotalPage();
	    /*当前查询条件下总记录数*/
	    int recordNumber = oldManService.getRecordNumber();
	    request.setAttribute("oldManList",  oldManList);
	    request.setAttribute("totalPage", totalPage);
	    request.setAttribute("recordNumber", recordNumber);
	    request.setAttribute("currentPage", currentPage);
	    request.setAttribute("name", name);
	    request.setAttribute("userObj", userObj);
	    request.setAttribute("addTime", addTime);
	    List<UserInfo> userInfoList = userInfoService.queryAllUserInfo();
	    request.setAttribute("userInfoList", userInfoList);
		return "OldMan/oldMan_frontquery_result"; 
	}

     /*前台查询OldMan信息*/
	@RequestMapping(value="/{oldManId}/frontshow",method=RequestMethod.GET)
	public String frontshow(@PathVariable Integer oldManId,Model model,HttpServletRequest request) throws Exception {
		/*根据主键oldManId获取OldMan对象*/
        OldMan oldMan = oldManService.getOldMan(oldManId);

        List<UserInfo> userInfoList = userInfoService.queryAllUserInfo();
        request.setAttribute("userInfoList", userInfoList);
        request.setAttribute("oldMan",  oldMan);
        return "OldMan/oldMan_frontshow";
	}

	/*ajax方式显示老人修改jsp视图页*/
	@RequestMapping(value="/{oldManId}/update",method=RequestMethod.GET)
	public void update(@PathVariable Integer oldManId,Model model,HttpServletRequest request,HttpServletResponse response) throws Exception {
        /*根据主键oldManId获取OldMan对象*/
        OldMan oldMan = oldManService.getOldMan(oldManId);

        response.setContentType("text/json;charset=UTF-8");
        PrintWriter out = response.getWriter();
		//将要被返回到客户端的对象 
		JSONObject jsonOldMan = oldMan.getJsonObject();
		out.println(jsonOldMan.toString());
		out.flush();
		out.close();
	}

	/*ajax方式更新老人信息*/
	@RequestMapping(value = "/{oldManId}/update", method = RequestMethod.POST)
	public void update(@Validated OldMan oldMan, 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 manPhotoFileName = this.handlePhotoUpload(request, "manPhotoFile");
		if(!manPhotoFileName.equals("upload/NoImage.jpg"))oldMan.setManPhoto(manPhotoFileName); 


		try {
			oldManService.updateOldMan(oldMan);
			message = "老人更新成功!";
			success = true;
			writeJsonResponse(response, success, message);
		} catch (Exception e) {
			e.printStackTrace();
			message = "老人更新失败!";
			writeJsonResponse(response, success, message); 
		}
	}
    /*删除老人信息*/
	@RequestMapping(value="/{oldManId}/delete",method=RequestMethod.GET)
	public String delete(@PathVariable Integer oldManId,HttpServletRequest request) throws UnsupportedEncodingException {
		  try {
			  oldManService.deleteOldMan(oldManId);
	            request.setAttribute("message", "老人删除成功!");
	            return "message";
	        } catch (Exception e) { 
	            e.printStackTrace();
	            request.setAttribute("error", "老人删除失败!");
				return "error";

	        }

	}

	/*ajax方式删除多条老人记录*/
	@RequestMapping(value="/deletes",method=RequestMethod.POST)
	public void delete(String oldManIds,HttpServletRequest request,HttpServletResponse response) throws IOException, JSONException {
		String message = "";
    	boolean success = false;
        try { 
        	int count = oldManService.deleteOldMans(oldManIds);
        	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);
        }
	}

	/*按照查询条件导出老人信息到Excel*/
	@RequestMapping(value = { "/OutToExcel" }, method = {RequestMethod.GET,RequestMethod.POST})
	public void OutToExcel(String name,@ModelAttribute("userObj") UserInfo userObj,String addTime, Model model, HttpServletRequest request,HttpServletResponse response) throws Exception {
        if(name == null) name = "";
        if(addTime == null) addTime = "";
        List<OldMan> oldManList = oldManService.queryOldMan(name,userObj,addTime);
        ExportExcelUtil ex = new ExportExcelUtil();
        String _title = "OldMan信息记录"; 
        String[] headers = { "老人编号","姓名","性别","年龄","老人照片","登记用户","登记时间"};
        List<String[]> dataset = new ArrayList<String[]>(); 
        for(int i=0;i<oldManList.size();i++) {
        	OldMan oldMan = oldManList.get(i); 
        	dataset.add(new String[]{oldMan.getOldManId() + "",oldMan.getName(),oldMan.getSex(),oldMan.getAge() + "",oldMan.getManPhoto(),oldMan.getUserObj().getName(),oldMan.getAddTime()});
        }
        /*
        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="+"OldMan.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(); 
			} 
		}
    }
}

用户信息管理控制层：

//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(); 
			} 
		}
    }
}

用户登录控制层：

@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";
		}   
	}
	
	
	
	
}

源码获取：俺的博客首页 "资源" 里下载！