spring aop :logaspect配置

最新推荐文章于 2024-08-24 17:06:03 发布

fuyunww

最新推荐文章于 2024-08-24 17:06:03 发布

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文章标签： logAspect

本文链接：https://blog.youkuaiyun.com/fuyunww/article/details/78084475

本文详细介绍了如何在Spring AOP中配置和使用LogAspect，通过配置XML及POM文件，实现日志记录的功能。LogAspect帮助开发者跟踪和记录应用程序的关键操作，提升系统监控和调试效率。

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spring.xml

    <context:component-scan base-package="xx.xx.aspect" />
    <aop:aspectj-autoproxy />
    <aop:config>    
        <aop:aspect id="logAspect" ref="logAspect">
            <aop:pointcut expression="execution(public * XX.XX.front.service.ws.impl.*.*(..))" id="logPoint"/>
            <aop:before method="doBefore" pointcut-ref="logPoint"/>
            <aop:after-returning method="doAfter" returning="retValue" pointcut-ref="logPoint"/>            
        </aop:aspect>
    </aop:config>

pom.xml

<dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${version.spring}</version>
        </dependency>

logAspect.java

package xx.xx.aspect;

import java.util.List;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import cfca.seal.common.Constants;


@Component
@Aspect
public class LogAspect {
    private static final Logger logger = LoggerFactory.getLogger(Constants.SERVICE_SYS);
    long startTime;
    /**
     * service 类  方法起始 参数 打印
     * @param joinPoint
     */
    public void doBefore(JoinPoint joinPoint) {
        startTime = cfca.itool.util.TimeUtil.getNowTimeInMillis();
        //System.out.println(buildLog(joinPoint,null,null));
    }
    /**
     * service 类  方法結束 参数 打印
     * @param joinPoint
     * @param retValue
     */
    public void doAfter(JoinPoint joinPoint, Object retValue) {
        String className = joinPoint.getTarget().getClass().getSimpleName();
        String methodName = joinPoint.getSignature().getName();
        long endTime = cfca.itool.util.TimeUtil.getNowTimeInMillis();
        logger.info("["+className+"."+methodName+"]"+"耗时："+(endTime-startTime)+"ms");
       // System.out.println(buildLog(joinPoint,retValue,null));
    }
    /**
     *  service 类  方法异常 参数 打印
     * @param joinPoint
     * @param e
     */
    public void doThrowException(JoinPoint joinPoint, Exception e) {
        //System.out.println(buildLog(joinPoint,null,e));
    }



    @SuppressWarnings("rawtypes")
    private String buildLog(JoinPoint joinPoint,Object retValue, Exception e){

        StringBuffer sb=new StringBuffer();
        String className = joinPoint.getTarget().getClass().getSimpleName();
        String methodName = joinPoint.getSignature().getName();
        sb.append("[ClassMethod:").append(className).append(".").append(methodName).append("]");
        Object[] obj = joinPoint.getArgs();
        sb.append("[requestParam:");
        for (int i = 0; i < obj.length; i++) {          
            sb.append("参数arg").append(i).append(":").append(obj[i]);            
        }
        sb.append("]");
        if(retValue!=null){
            sb.append("[result:");
            if(retValue instanceof List){
                sb.append("size()=").append(((List) retValue).size()) ;
            }else{
                sb.append(retValue.toString());
            }

        }
        if(e!=null){
            sb.append("[errorMsg:").append(e.getMessage()).append("],").append(e);
        }
        return sb.toString();
    }
}