首先看你的SpringSecurity的版本是4.X还是5.X的版本
4.X
<!--引入security的依赖-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<!--引入thymeleaf和security整合的依赖,实现权限控制-->
<dependency>
<groupId>org.thymeleaf.extras</groupId>
<artifactId>thymeleaf-extras-springsecurity4</artifactId>
</dependency><!--