SpringBoot中实现代理方式

@Target( {ElementType.TYPE, ElementType.METHOD })
@Retention(RetentionPolicy.RUNTIME)
public @interface LogAround {
}

// 这里是直接继承了一个便捷基类，实现 matches 方法
public class LogAroundPointcut extends StaticMethodMatcherPointcut {
	@Override
	public boolean matches(Method method, Class<?> targetClass) {
		return AnnotatedElementUtils.hasAnnotation(targetClass, LogAround.class) ||
				AnnotatedElementUtils.hasAnnotation(method, LogAround.class);
	}
}

// 这里继承了 MethodInterceptor，方法拦截。前后打印日志
public class LogAroundInterceptor implements MethodInterceptor {
	@Nullable
	@Override
	public Object invoke(@Nonnull MethodInvocation invocation) throws Throwable {
		System.out.println("before method invoke log....");
		Method method = invocation.getMethod();
		Object[] args = invocation.getArguments();
		Object target = invocation.getThis();
		Object invoke = method.invoke(target, args);
		System.out.println("after method invoke log....");
		return invoke;
	}
}

@Component
public class LogAroundPointcutAdvisor extends AbstractPointcutAdvisor {
	@Override
	public Pointcut getPointcut() {
		return new LogAroundPointcut();
	}
	@Override
	public Advice getAdvice() {
		return new LogAroundInterceptor();
	}
	@Override
	public boolean isPerInstance() {
		return false;
	}
}

@Component
public class AopDemo {
	@LogAround
	public static int sum(int i1, int i2) {
		return i1 + i2;
	}
}

  <dependency>
     <groupId>org.mitre.dsmiley.httpproxy</groupId>
       <artifactId>smiley-http-proxy-servlet</artifactId>
        <version>1.12</version>
</dependency>

proxy:
  baidu:
    url: /baidu/*
    target_url: https://baidu.com

package athena.gateway.app.banshi;
import org.mitre.dsmiley.httpproxy.ProxyServlet;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class SolrProxyServletConfiguration {
    @Value("${proxy.baidu.url}")
    private String url;
    @Value("${proxy.baidu.target_url}")
    private String targetUrl;
    @Bean
    public ServletRegistrationBean servletRegistrationBean() {
        ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new ProxyServlet(), url);
        servletRegistrationBean.setName("百度");
        servletRegistrationBean.addInitParameter("targetUri", targetUrl);
        servletRegistrationBean.addInitParameter(ProxyServlet.P_LOG, String.valueOf(true));
        return servletRegistrationBean;
    }
}