一、项目简述本系统功能包括：通知公告，老人管理，护工管理，问答管理等等功能。

二、项目运行环境配置：

Jdk1.8 + Tomcat8.5 + Mysql + HBuilderX（Webstorm也行）+ Eclispe（IntelliJ IDEA,Eclispe,MyEclispe,Sts都支持）。

项目技术：

Springboot + Maven + mybatis+ Vue 等等组成，B/S模式 + Maven管理等等。

系统控制器（登录、注销、修改、新增登）业务：

/** * 系统控制器 * */@RequestMapping("/system")@Controllerpublic class SystemController {			@Autowired	private OperaterLogService operaterLogService;		@Autowired	private UserService userService;		@Autowired	private DatabaseBakService databaseBakService;	@Autowired	private StaffService staffService;	@Autowired	private OrderAuthService orderAuthService;	private Logger log = LoggerFactory.getLogger(SystemController.class);		/**	 * 登录页面	 * @param model	 * @return	 */	@RequestMapping(value="/login",method=RequestMethod.GET)	public String login(Model model){		model.addAttribute("loginTypes", LoginType.values());		return "admin/system/login";	}		/**	 * 用户登录提交表单处理方法	 * @param request	 * @param cpacha	 * @return	 */	@RequestMapping(value="/login",method=RequestMethod.POST)	@ResponseBody	public Result login(HttpServletRequest request,String username,String password,String cpacha,Integer type){		if(StringUtils.isEmpty(username)){			return Result.error(CodeMsg.ADMIN_USERNAME_EMPTY);		}		if(StringUtils.isEmpty(password)){			return Result.error(CodeMsg.ADMIN_PASSWORD_EMPTY);		}		//表示实体信息合法，开始验证验证码是否为空		if(StringUtils.isEmpty(cpacha)){			return Result.error(CodeMsg.CPACHA_EMPTY);		}		//说明验证码不为空，从session里获取验证码		Object attribute = request.getSession().getAttribute("admin_login");		if(attribute == null){			return Result.error(CodeMsg.SESSION_EXPIRED);		}		//表示session未失效，进一步判断用户填写的验证码是否正确		if(!cpacha.equalsIgnoreCase(attribute.toString())){			return Result.error(CodeMsg.CPACHA_ERROR);		}		if(type == LoginType.ADMINISTRATOR.getCode()){			//表示验证码正确，开始查询数据库，检验密码是否正确			User findByUsername = userService.findByUsername(username);			//判断是否为空			if(findByUsername == null){				return Result.error(CodeMsg.ADMIN_USERNAME_NO_EXIST);			}			//表示用户存在，进一步对比密码是否正确			if(!findByUsername.getPassword().equals(password)){				return Result.error(CodeMsg.ADMIN_PASSWORD_ERROR);			}			//表示密码正确，接下来判断用户状态是否可用			if(findByUsername.getStatus() == User.ADMIN_USER_STATUS_UNABLE){				return Result.error(CodeMsg.ADMIN_USER_UNABLE);			}			//检查用户所属角色状态是否可用			if(findByUsername.getRole() == null || findByUsername.getRole().getStatus() == Role.ADMIN_ROLE_STATUS_UNABLE){				return Result.error(CodeMsg.ADMIN_USER_ROLE_UNABLE);			}			//检查用户所属角色的权限是否存在			if(findByUsername.getRole().getAuthorities() == null || findByUsername.getRole().getAuthorities().size() == 0){				return Result.error(CodeMsg.ADMIN_USER_ROLE_AUTHORITES_EMPTY);			}			//检查一切符合，可以登录，将用户信息存放至session			request.getSession().setAttribute(SessionConstant.SESSION_USER_LOGIN_KEY, findByUsername);			request.getSession().setAttribute("loginType",type);			//销毁session中的验证码			request.getSession().setAttribute("admin_login", null);			//将登陆记录写入日志库			operaterLogService.add("用户【"+username+"】于【" + StringUtil.getFormatterDate(new Date(), "yyyy-MM-dd HH:mm:ss") + "】登录系统！");			log.info("用户成功登录，user = " + findByUsername);		}else{			Staff byJobNumber = staffService.findByNameAndIsStatus(username);			//判断是否为空			if(byJobNumber == null){				return Result.error(CodeMsg.ADMIN_USERNAME_NO_EXIST);			}			//表示用户存在，进一步对比密码是否正确			if(!byJobNumber.getPassword().equals(password)){				return Result.error(CodeMsg.ADMIN_PASSWORD_ERROR);			}			//检查用户所属角色状态是否可用			if(byJobNumber.getRole() == null || byJobNumber.getRole().getStatus() == Role.ADMIN_ROLE_STATUS_UNABLE){				return Result.error(CodeMsg.ADMIN_USER_ROLE_UNABLE);			}			//检查用户所属角色的权限是否存在			if(byJobNumber.getRole().getAuthorities() == null || byJobNumber.getRole().getAuthorities().size() == 0){				return Result.error(CodeMsg.ADMIN_USER_ROLE_AUTHORITES_EMPTY);			}			//检查一切符合，可以登录，将用户信息存放至session			request.getSession().setAttribute(SessionConstant.SESSION_STAFF_LOGIN_KEY, byJobNumber);			request.getSession().setAttribute("loginType",type);			//销毁session中的验证码			request.getSession().setAttribute("admin_login", null);			//将登陆记录写入日志库			operaterLogService.add("用户【"+username+"】于【" + StringUtil.getFormatterDate(new Date(), "yyyy-MM-dd HH:mm:ss") + "】登录系统！");			log.info("员工成功登录，user = " + byJobNumber);		}		return Result.success(true);	}		/**	 * 登录成功后的系统主页	 * @param model	 * @return	 */	@RequestMapping(value="/index")	public String index(Model model){		model.addAttribute("operatorLogs", operaterLogService.findLastestLog(10));		model.addAttribute("userTotal", userService.total());		model.addAttribute("operatorLogTotal", operaterLogService.total());		model.addAttribute("databaseBackupTotal", databaseBakService.total());		model.addAttribute("onlineUserTotal", SessionListener.onlineUserCount);		return "admin/system/index";	}		/**	 * 注销登录	 * @return	 */	@RequestMapping(value="/logout")	public String logout(){		Integer loginType = (Integer) SessionUtil.get("loginType");		if(loginType == LoginType.ADMINISTRATOR.getCode()){			User loginedUser = SessionUtil.getLoginedUser();			if(loginedUser != null){				SessionUtil.set(SessionConstant.SESSION_USER_LOGIN_KEY, null);			}		}else if(loginType == LoginType.STAFF.getCode()){			Staff loginedStaff = SessionUtil.getLoginedStaff();			if(loginedStaff != null){				SessionUtil.set(SessionConstant.SESSION_STAFF_LOGIN_KEY,null);			}		}		return "redirect:login";	}		/**	 * 无权限提示页面	 * @return	 */	@RequestMapping(value="/no_right")	public String noRight(){		return "admin/system/no_right";	}		/**	 * 修改用户个人信息	 * @return	 */	@RequestMapping(value="/update_userinfo",method=RequestMethod.GET)	public String updateUserInfo(){		return "admin/system/update_userinfo";	}		/**	 * 修改个人信息保存	 * @param user	 * @return	 */	@RequestMapping(value="/update_userinfo",method=RequestMethod.POST)	public String updateUserInfo(User user){		User loginedUser = SessionUtil.getLoginedUser();		loginedUser.setEmail(user.getEmail());		loginedUser.setMobile(user.getMobile());		loginedUser.setHeadPic(user.getHeadPic());		//首先保存到数据库		userService.save(loginedUser);		//更新session里的值		SessionUtil.set(SessionConstant.SESSION_USER_LOGIN_KEY, loginedUser);		return "redirect:update_userinfo";	}		/**	 * 修改密码页面	 * @return	 */	@RequestMapping(value="/update_pwd",method=RequestMethod.GET)	public String updatePwd(){		return "admin/system/update_pwd";	}		/**	 * 修改密码表单提交	 * @param oldPwd	 * @param newPwd	 * @return	 */	@RequestMapping(value="/update_pwd",method=RequestMethod.POST)	@ResponseBody	public Result updatePwd(@RequestParam(name="oldPwd",required=true)String oldPwd,			@RequestParam(name="newPwd",required=true)String newPwd			){		Integer loginType = (Integer) SessionUtil.get("loginType");		if(loginType == LoginType.ADMINISTRATOR.getCode()){			User loginedUser = SessionUtil.getLoginedUser();			if(!loginedUser.getPassword().equals(oldPwd)){				return Result.error(CodeMsg.ADMIN_USER_UPDATE_PWD_ERROR);			}			if(StringUtils.isEmpty(newPwd)){				return Result.error(CodeMsg.ADMIN_USER_UPDATE_PWD_EMPTY);			}			if(newPwd.length()<4 || newPwd.length()>32){				return Result.error(CodeMsg.ADMIN_USER_PWD_LENGTH_ERROR);			}			loginedUser.setPassword(newPwd);			//保存数据库			userService.save(loginedUser);			//更新session			SessionUtil.set(SessionConstant.SESSION_USER_LOGIN_KEY, loginedUser);		}else{			Staff loginedStaff = SessionUtil.getLoginedStaff();			Staff staff = staffService.find(loginedStaff.getId());			if(!staff.getPassword().equals(oldPwd)){				return Result.error(CodeMsg.ADMIN_USER_UPDATE_PWD_ERROR);			}			if(StringUtils.isEmpty(newPwd)){				return Result.error(CodeMsg.ADMIN_USER_UPDATE_PWD_EMPTY);			}			staff.setPassword(newPwd);			CodeMsg codeMsg = ValidateEntityUtil.validate(staff);			if (codeMsg.getCode() != CodeMsg.SUCCESS.getCode()){				return Result.error(codeMsg);			}			loginedStaff.setPassword(newPwd);			//保存数据库			staffService.save(loginedStaff);			//更新session			SessionUtil.set(SessionConstant.SESSION_STAFF_LOGIN_KEY, loginedStaff);		}		return Result.success(true);	}		/**	 * 日志管理列表	 * @param model	 * @param operaterLog	 * @param pageBean	 * @return	 */	@RequestMapping(value="/operator_log_list")	public String operatorLogList(Model model,OperaterLog operaterLog,PageBean pageBean){		model.addAttribute("pageBean", operaterLogService.findList(operaterLog, pageBean));		model.addAttribute("operator", operaterLog.getOperator());		model.addAttribute("title", "日志列表");		return "admin/system/operator_log_list";	}	/**	 * 验证订单	 * @param orderSn	 * @param phone	 * @return	 */	@RequestMapping(value="/auth_order",method=RequestMethod.POST)	@ResponseBody	public Result authOrder(@RequestParam(name="orderSn",required=true)String orderSn,@RequestParam(name="phone",required=true)String phone){		OrderAuth orderAuth = new OrderAuth();		orderAuth.setMac(StringUtil.getMac());		orderAuth.setOrderSn(orderSn);		orderAuth.setPhone(phone);		orderAuthService.save(orderAuth);		AppConfig.ORDER_AUTH = 1;		return Result.success(true);	}	/**	 * 删除操作日志，可删除多个	 * @param ids	 * @return	 */	@RequestMapping(value="/delete_operator_log",method=RequestMethod.POST)	@ResponseBody	public Result delete(String ids){		if(!StringUtils.isEmpty(ids)){			String[] splitIds = ids.split(",");			for(String id : splitIds){				operaterLogService.delete(Long.valueOf(id));			}		}		return Result.success(true);	}		/**	 * 清空整个日志	 * @return	 */	@RequestMapping(value="/delete_all_operator_log",method=RequestMethod.POST)	@ResponseBody	public Result deleteAll(){		operaterLogService.deleteAll();		return Result.success(true);	}}

后台用户管理控制器（查询、新增、修改、删除 用户）业务：

/** * 后台用户管理控制器 * */@RequestMapping("/admin/user")@Controllerpublic class UserController {	@Autowired	private UserService userService;	@Autowired	private RoleService roleService;	@Autowired	private OperaterLogService operaterLogService;	/**	 * 用户列表页面	 * @param model	 * @param user	 * @param pageBean	 * @return	 */	@RequestMapping(value="/list")	public String list(Model model,User user,PageBean pageBean){		model.addAttribute("title", "用户列表");		model.addAttribute("username", user.getUsername());		model.addAttribute("pageBean", userService.findList(user, pageBean));		return "admin/user/list";	}		/**	 * 新增用户页面	 * @param model	 * @return	 */	@RequestMapping(value="/add",method=RequestMethod.GET)	public String add(Model model){		model.addAttribute("roles", roleService.findAll());		return "admin/user/add";	}		/**	 * 用户添加表单提交处理	 * @param user	 * @return	 */	@RequestMapping(value="/add",method=RequestMethod.POST)	@ResponseBody	public Result add(User user){		//用统一验证实体方法验证是否合法		CodeMsg validate = ValidateEntityUtil.validate(user);		if(validate.getCode() != CodeMsg.SUCCESS.getCode()){			return Result.error(validate);		}		if(user.getRole() == null || user.getRole().getId() == null){			return Result.error(CodeMsg.ADMIN_USER_ROLE_EMPTY);		}		//判断用户名是否存在		if(userService.isExistUsername(user.getUsername(), 0l)){			return Result.error(CodeMsg.ADMIN_USERNAME_EXIST);		}		//到这说明一切符合条件，进行数据库新增		if(userService.save(user) == null){			return Result.error(CodeMsg.ADMIN_USE_ADD_ERROR);		}		operaterLogService.add("添加用户，用户名：" + user.getUsername());		return Result.success(true);	}		/**	 * 用户编辑页面	 * @param model	 * @return	 */	@RequestMapping(value="/edit",method=RequestMethod.GET)	public String edit(Model model,@RequestParam(name="id",required=true)Long id){		model.addAttribute("roles", roleService.findAll());		model.addAttribute("user", userService.find(id));		return "admin/user/edit";	}		/**	 * 编辑用户信息表单提交处理	 * @param user	 * @return	 */	@RequestMapping(value="/edit",method=RequestMethod.POST)	@ResponseBody	public Result edit(User user){		//用统一验证实体方法验证是否合法		CodeMsg validate = ValidateEntityUtil.validate(user);		if(validate.getCode() != CodeMsg.SUCCESS.getCode()){			return Result.error(validate);		}		if(user.getRole() == null || user.getRole().getId() == null){			return Result.error(CodeMsg.ADMIN_USER_ROLE_EMPTY);		}		if(user.getId() == null || user.getId().longValue() <= 0){			return Result.error(CodeMsg.ADMIN_USE_NO_EXIST);		}		if(userService.isExistUsername(user.getUsername(), user.getId())){			return Result.error(CodeMsg.ADMIN_USERNAME_EXIST);		}		//到这说明一切符合条件，进行数据库保存		User findById = userService.find(user.getId());		//讲提交的用户信息指定字段复制到已存在的user对象中,该方法会覆盖新字段内容		BeanUtils.copyProperties(user, findById, "id","createTime","updateTime");		if(userService.save(findById) == null){			return Result.error(CodeMsg.ADMIN_USE_EDIT_ERROR);		}		operaterLogService.add("编辑用户，用户名：" + user.getUsername());		return Result.success(true);	}		/**	 * 删除用户	 * @param id	 * @return	 */	@RequestMapping(value="/delete",method=RequestMethod.POST)	@ResponseBody	public Result delete(@RequestParam(name="id",required=true)Long id){		try {			userService.delete(id);		} catch (Exception e) {			return Result.error(CodeMsg.ADMIN_USE_DELETE_ERROR);		}		operaterLogService.add("删除用户，用户ID：" + id);		return Result.success(true);	}}

后台角色管理控制器操作业务：

/** * 后台角色管理控制器 * */@RequestMapping("/admin/role")@Controllerpublic class RoleController {		private Logger log = LoggerFactory.getLogger(RoleController.class);		@Autowired	private MenuService menuService;		@Autowired	private OperaterLogService operaterLogService;		@Autowired	private RoleService roleService;		/**	 * 分页搜索角色列表	 * @param model	 * @param role	 * @param pageBean	 * @return	 */	@RequestMapping(value="/list")	public String list(Model model,Role role,PageBean pageBean){		model.addAttribute("title", "角色列表");		model.addAttribute("name", role.getName());		model.addAttribute("pageBean", roleService.findByName(role, pageBean));		return "admin/role/list";	}		/**	 * 角色添加页面	 * @param model	 * @return	 */	@RequestMapping(value="/add",method=RequestMethod.GET)	public String add(Model model){		List