利用springboot怎么搭建一个访客管理系统

public class SmartUser {
 @ApiModelProperty(value="用户编号",dataType="String",name="password")
 private Long id;
 @ApiModelProperty(value="登录帐号",dataType="String",name="account")
 private String account;
 @ApiModelProperty(value="用户名称",dataType="String",name="name")
 private String name;
 @ApiModelProperty(value="用户年龄",dataType="Integer",name="age")
 private int age;
 @ApiModelProperty(value="手机号",dataType="String",name="phone")
 private String phone;
 @ApiModelProperty(value="密码",dataType="String",name="password")
 private String password;
 @ApiModelProperty(value="mac",dataType="String",name="mac")
 private String mac;
 @ApiModelProperty(value="备注",dataType="String",name="remark")
 private String remark ;
 @ApiModelProperty(value="创建时间",dataType="String",name="createTime")
 private String createTime;
 private String headPic;
}

@ApiOperation(value="添加预约",notes="添加预约")
@ResponseBody
@PostMapping("/addVisitor")
public Response<String> addVisitor(Visitor visitor){
 SmartUser smartUser=new SmartUser();
 smartUser.setPhone(visitor.getUserPhone());
 smartUser.setName(visitor.getUserName());
 smartUser=smartUserService.login(smartUser);
 if(null!=smartUser){
  return visitorService.saveOrUpdate(visitor);
 }else{
  return Response.error(300);//查无一人
 }
}

@GetMapping("/exportExcel")
public void exportExcel(HttpServletResponse response) {
 try{
  List<List<String>> rows =new ArrayList<>();
  List<String> row1 = CollUtil.newArrayList("访客姓名", "访客手机号", "被访人姓名", "被访人电话", "预约日期", "访问事由");
  rows.add(row1);
  List<VisitorRecord> list=smartUserService.getAll();
  for(VisitorRecord vr:list){
   rows.add(CollUtil.newArrayList(vr.getVisitorName(), vr.getPhone(),vr.getUserPhone(),vr.getUserName(),vr.getAppointmentTime(),vr.getReasons()));
  }
  ExcelWriter writer = ExcelUtil.getWriter();
  writer.write(rows);
  response.setContentType("application/vnd.ms-excel;charset=utf-8");
  response.setHeader("Content-Disposition","attachment;filename="+ DateUtils.getTime3()+"visitorRecord.xls");
  ServletOutputStream out=response.getOutputStream();
  writer.flush(out);
  writer.close();
  IoUtil.close(out);
 }catch (Exception e){
  e.printStackTrace();
 }
}

@Scheduled(cron = "0 0/1 * * * ?")
private void configureTasks() {
 List<Visitor> list=visitorService.findVisitorList("");
 if(list.size()>0){
  for(Visitor v:list){
   Long now=Long.valueOf(DateUtils.getTime2());
   Long appointmentTime=Long.valueOf(v.getAppointmentTime().replaceAll("-","").replaceAll(" ",""));
   if(appointmentTime-now<=0){
    VisitorRecord visitorRecord=new VisitorRecord();
    BeanUtils.copyProperties(v,visitorRecord);
    visitorRecordService.save(visitorRecord);
    visitorService.deleteUserById(Long.valueOf(v.getId()));
   }
  }
 }
}