使用cglib代理时获取注解的类、属性值

目前我有一个@Select注解,如下

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

    String[] value() default {};
}

我想要在intercept的时候获取这个注解的类和他的value,应该这样做

package com.autumn.proxy;

import com.autumn.anno.sql.Select;
import com.autumn.anno.sql.SqlCommand;
import net.sf.cglib.proxy.MethodInterceptor;
import net.sf.cglib.proxy.MethodProxy;

import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Arrays;

public class MapperProxy implements MethodInterceptor {

    @Override
    public Object intercept(Object target, Method method, Object[] args, MethodProxy methodProxy) throws Throwable {
        Annotation[] annotations = method.getAnnotations();
        Annotation sqlAnno = null;

        for (Annotation annotation : annotations) {
            if (annotation.annotationType().isAnnotationPresent(SqlCommand.class)) {
                sqlAnno = annotation;
                break;
            }
        }
        if (sqlAnno == null) {
            throw new RuntimeException("Method name of " + method.getName() + " is not defined in interface " + target.getClass().getName());
        }

        System.out.println(sqlAnno.getClass());
        //获取注解的真实类
        Class annoClass = sqlAnno.annotationType();
        System.out.println(annoClass);
        //获取value属性
        System.out.println(annoClass.getDeclaredMethod("value"));
        String[] sqls = (String[]) annoClass.getDeclaredMethod("value").invoke(sqlAnno);
        System.out.println(Arrays.toString(sqls));


        System.out.println("参数:" + Arrays.toString(args));

        return null;
    }
}

输出:

 

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