基于注解 spring aop 示例

import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.Map;
/**
 *
 * @author gaohailaing
 *
 */
@Aspect
@Component("requestLog")
public class RequestLog {
    private static final Logger logger = LoggerFactory.getLogger(RequestLog.class);
    @Pointcut("execution(* com..*.*Controller.*(..))")
    public void writeRequestLog(){}

    @Before("writeRequestLog()")
    public void sayHello(){
    }
    @After("writeRequestLog()")
    public void sayGoodbey(){

    }
    @Around("writeRequestLog()")
    public Object doAround(ProceedingJoinPoint pjp) throws Throwable {
        try{
            RequestAttributes ra = RequestContextHolder.getRequestAttributes();
            ServletRequestAttributes sra = (ServletRequestAttributes) ra;
            HttpServletRequest request = sra.getRequest();
            String url = request.getRequestURL().toString();
            String method = request.getMethod();
            String queryString = request.getQueryString();
            Object[] args = pjp.getArgs();
            String params = "";
            //获取请求参数集合并进行遍历拼接
            if(args.length>0){
                if("POST".equals(method)){
                    Object object = args[0];
                    Map map = getKeyAndValue(object);
                    params = JSON.toJSONString(map);
                    ;
                }else if("GET".equals(method)){
                    params = queryString;
                }
            }
            logger.info("-------------------request url:"+url+"-------------------request params:"+params);
        }catch (Exception e){
            logger.error(e.getMessage(),e);
        }
        Object result = pjp.proceed();
        if (result!=null) {
            logger.info("----------------response :" + JSON.toJSONString(result));
        }
        return result;
    }

    public static Map<String, Object> getKeyAndValue(Object obj) {
        Map<String, Object> map = new HashMap<>();
        // 得到类对象
        Class userCla = (Class) obj.getClass();
        /* 得到类中的所有属性集合 */
        Field[] fs = userCla.getDeclaredFields();
        for (int i = 0; i < fs.length; i++) {
            Field f = fs[i];
            f.setAccessible(true); // 设置些属性是可以访问的
            Object val = new Object();
            try {
                val = f.get(obj);
                // 得到此属性的值
                map.put(f.getName(), val);// 设置键值
            } catch (IllegalArgumentException e) {
                e.printStackTrace();
            } catch (IllegalAccessException e) {
                e.printStackTrace();
            }
        }
        return map;
    }



}