SpringBoot aop demo

package jyl.mix.springbootaop.aop;import com.google.gson.Gson;import java.util.Arrays;import javax.servlet.http.HttpServletRequest;import org.aspectj.lang.JoinPoint;import org.aspectj.lang.annotation.AfterReturning;import org.aspectj.lang.annotation.Aspect;import org.aspectj.lang.annotation.Before;import org.aspectj.lang.annotation.Pointcut;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Component;import org.springframework.web.context.request.RequestContextHolder;import org.springframework.web.context.request.ServletRequestAttributes;/** * 打日志操作 * 定义Aspect */@Aspect@Componentpublic class LogAop {    private Logger logger = LoggerFactory.getLogger(this.getClass());    private static final String REQUEST_LOG = "request[url:{}, method:{}, clientIp:{}, params:{}]";    @Autowired    private Gson gson;    /**     * 定义PointCut 即jyl.mix.springbootaop.controller包内的所有public方法     */    @Pointcut("execution(public * jyl.mix.springbootaop.controller..*.*(..))")    public void URLlog() {    }    /**     * 切点方法执行前进行的操作     * 此处打印请求的各种参数     * @param joinPoint     */    @Before("URLlog()")    public void logBefore(JoinPoint joinPoint) {        HttpServletRequest request = (((ServletRequestAttributes) RequestContextHolder            .getRequestAttributes())).getRequest();        logger.info(REQUEST_LOG, request.getRequestURL().toString(),            request.getMethod(), request.getRemoteAddr(), Arrays.toString(joinPoint.getArgs()));    }    /**     * 方法返回后执行的内容     * @param returnObj     */    @AfterReturning(returning = "returnObj", pointcut = "URLlog()")    public void logAfter(Object returnObj) {        logger.info("response : " + gson.toJson(returnObj));    }}

package jyl.mix.springbootaop.controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RestController;@RestControllerpublic class DemoAController {    @RequestMapping("/demo/a")    public String showA(){        return "demoA";    }}

package jyl.mix.springbootaop.controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RestController;@RestControllerpublic class DemoBController {    @RequestMapping("/demo/b")    public String showA(){        return "demoB";    }}

package jyl.mix.springbootaop;import org.springframework.beans.factory.annotation.Value;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;import org.springframework.boot.context.embedded.ConfigurableEmbeddedServletContainer;import org.springframework.boot.context.embedded.EmbeddedServletContainerCustomizer;@SpringBootApplicationpublic class AopApplicationContext implements EmbeddedServletContainerCustomizer {    @Value("8087")    private int port;    public static void main(String[] args) {        SpringApplication.run(AopApplicationContext.class, args);    }    @Override    public void customize(ConfigurableEmbeddedServletContainer container) {        container.setPort(port);    }}

浏览器分别访问http://127.0.0.1:8087/demo/a 与http://127.0.0.1:8087/demo/b
可以观察到日志被成功打印出