18. 11:使用注解进行方法安全控制 public class DemoService { @PreAuthorize("hasRole('ROLE_A')") public void methodA() { } @PreAuthorize("hasAnyRole('ROLE_A, ROLE_B')") public void methodB() { } } hasRole与hasAnyRole为SS通用内置表达式(google : spring security Common Built-In Expressions)