(入门SpringBoot)SpringBoot加接口操作日志好方法(九)

用spring的切面去做，慕课网上的大神的小妙招,被我拷贝下来了。
import org.aspectj.lang.joinpoint;
import org.aspectj.lang.annotation.*;
import org.springframework.stereotype.component;
import org.springframework.util.stringutils;
import org.springframework.web.context.request.requestcontextholder;
import org.springframework.web.context.request.servletrequestattributes;

import javax.servlet.http.httpservletrequest;

/**
 *  作用实现拦截http请求.
 */
@aspect
@component //把这个文件引入到spring容器里面去.
public class httpaspect {
    @pointcut("execution(public * com.account.demo.controller.*.*(..))")
    public void log(){

    }
    /**
     * 拦截那些方法.请求前.
     * joinpoint 获取类方法和类名对象.
     */
    @before("log()")
    public void logbefore(joinpoint joinpoint){
        system.out.println("拦截了getinfo方法");
        //url,method,ip,类方法,参数.
        //springboot通过requestcontextholder获取httprequest和httpresponse
        servletrequestattributes attributes = (servletrequestattributes) requestcontextholder.getrequestattributes();
        //javax.servlet.http.httpservletrequest
        httpservletrequest request = attributes.getrequest();
        system.out.println("url"+request.getrequesturl());
        system.out.println("method"+request.getmethod());
        system.out.println("ip"+request.getremoteaddr());
        //类方法.
        system.out.println("类方法"+joinpoint.getsignature().getdeclaringtypename()
                +"."+ joinpoint.getsignature().getname()
        );
        //参数:
        system.out.println("类方法"+joinpoint.getargs());
    }
    /**
     * 拦截那些方法.请求后.
     */
    @after("log()")
    public void logafter(){
        system.out.println("拦截了getinfo方法.之后");
    }

    /**
     * 返回参数.
     * @param object 入参
     */
    @afterreturning(returning = "object",pointcut = "log()")
    public void doafterreturning(object object){
        system.out.println(object);
    }
}