新增员工

@PostMapping
    public R<String> add(HttpServletRequest request,@RequestBody Employee employee){
        log.info("新增员工,员工信息:{}",employee.toString());

//        设置默认密码为123456.MD5加密处理
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

        employee.setCreateTime(LocalDateTime.now());
        employee.setUpdateTime(LocalDateTime.now());
//        获取当前用户的登录id
        Long empId = (Long) request.getSession().getAttribute("employee");

        employee.setCreateUser(empId);
        employee.setUpdateUser(empId);
        employeeService.save(employee);
        return R.success("新增员工成功");
    }