1环绕通知里获取用户ip地址

// 获取用户 ipServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();HttpServletRequest request = requestAttributes.getRequest();String ip = request.getRemoteAddr();

2.表单多字段非空验证运用双form简单实现

2.1先贴效果图

2.2实体类添加validation注解字符串使用NotEmpty验证

2.3控制台与页面代码

2.4 另外贴一下部分注解