SpringBoot AOP实现接口权限绑定与校验

<dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-aop</artifactId>
</dependency>

package com.ntan520.core.permission;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface PermissionAnnotation {

    String uuid() default "";
}

package com.ntan520.test;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.EnableAspectJAutoProxy;

/**
 * @author Nick Tan
 */@SpringBootApplication
@ComponentScan(basePackages = { "com.ntan520" })
@EnableAspectJAutoProxy
public class TestApplication {

public static void main(String[] args) {
SpringApplication.run(TestApplication.class, args);
}
}

package com.ntan520.core.permission;

import java.lang.reflect.Method;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.stereotype.Component;

import com.ntan520.core.exception.ErrorException;
import com.ntan520.core.result.ResultEnum;

@Aspect
@Component
public class PermissionAspect {

    @Pointcut("@annotation(com.ntan520.core.permission.PermissionAnnotation)")
    public void annotationPointCut() {
    }

    @Before("annotationPointCut()")
    public void before(JoinPoint joinPoint) {
        MethodSignature sign = (MethodSignature) joinPoint.getSignature();
        Method method = sign.getMethod();
        System.out.println("接受方法：" + method.getName() + " 前置日志");

        if (method.isAnnotationPresent(PermissionAnnotation.class)) {
            PermissionAnnotation annotation = method.getAnnotation(PermissionAnnotation.class);
            System.out.println(annotation.uuid());
            //TODO 权限校验
        }

        throw new ErrorException(ResultEnum.PARAM_ERROR.getCode(), ResultEnum.PARAM_ERROR.getMessage());
    }
}

package com.ntan520.test.controller;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import com.ntan520.core.permission.PermissionAnnotation;
import com.ntan520.core.result.Result;
import com.ntan520.core.result.ResultEnum;
/**
 * @author Nick Tan
 */@RestController
public class TestController {

    @GetMapping("/test")
    @PermissionAnnotation(uuid = "132312")
    public Result test() {
        System.out.println("=======================");
        return Result.instance(ResultEnum.SUCCESS.getCode(), ResultEnum.SUCCESS.getMessage());
    }
}