AOP切面示例

import java.lang.annotation.*;

/**
 * @author: 木杉
 * @email: 819236727@qq.com
 * @Date: 2019/10/17 20:54
 * @describe:
 */
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface UserAuthority {
    /**
     * 多个 私有权限码/公共权限码 都可以
     */
    String[] code() default "";

    /**
     * 0:只要有一个权限通过则通过
     * 1:要全部通过才能通过
     */
    int type() default 0;
}

/**
 * @author: 木杉
 * @email: 819236727@qq.com
 * @Date: 2019/10/17 20:56
 * @describe:
 */
@Aspect
@Slf4j
public class UserAuthorityAspect {

    @Around("@annotation(userAuthority)")
    public Object around(ProceedingJoinPoint point, UserAuthority userAuthority) throws Throwable {
        //具体的业务逻辑 如果都没有错误记得return point.proceeed(); 不要return 其他的 否则具体的方法会获取不到参数
        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
        List<String> codes = Arrays.asList(userAuthority.code());
        List<Boolean> flags = SessionUtil.privateAuthority(codes, request);

        int type = userAuthority.type();

        if (type == 0) {
            if (flags.contains(true)) {
                Object obj = point.proceed();
                return obj;
            }
        } else if (type == 1) {
            if (!flags.contains(false)) {
                Object obj = point.proceed();
                return obj;
            }
        } else {
            throw new GraphqlParameterWrongException("错误的类型");
        }

        throw new GraphqlNotPermissionException("您没有操作权限!", codes.get(0));
    }
}