log4j根据包名 日志输出到不同文件中 , service层无法输出日志问题

1. service 层因为要配置事务,使用了代理

<aop:config proxy-target-calss=''true">
<aop:pointcut id="serviceOperation"
expression="execution(* ............*.*(..))" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="serviceOperation" />
</aop:config>

proxy-target-calss=''true" 为基于cglib 实现代理 false 为jdk实现代理

使用日志时 需要service实现类的class文件

loggerFactory.getLogger(service.getClass());

og4j.logger.com.*.*.memmber= DEBUG,service
log4j.additivity.com.*.*=false
log4j.appender.service=org.apache.log4j.FileAppender
log4j.appender.service.File=C:/Users/Administrator/Desktop/login.log
#log4j.appender.service.File=/app/tomcat-portal/logs/login.log
log4j.appender.service.layout=org.apache.log4j.PatternLayout
log4j.appender.service.layout.ConversionPattern=[%p][%d{yyyy-MM-dd HH\:mm\:ss,SSS}][%c]%m%n

因为本人日志时com.包下的 才会输出到日志文件中

所以代理生成的serviceimpl 不会输出到该文件下

所以我们需要根据代理类获取真实类

import java.lang.reflect.Field;

import org.springframework.aop.framework.AdvisedSupport;
import org.springframework.aop.framework.AopProxy;
import org.springframework.aop.support.AopUtils;

public class AopTargetUtils {

/**
* 获取 目标对象
* @param proxy 代理对象
* @return
* @throws Exception
*/
public static Object getTarget(Object proxy) throws Exception {

if(!AopUtils.isAopProxy(proxy)) {
return proxy;//不是代理对象
}

if(AopUtils.isJdkDynamicProxy(proxy)) {
return getJdkDynamicProxyTargetObject(proxy);
} else { //cglib
return getCglibProxyTargetObject(proxy);
}

}

/**
* @Title: getCglibProxyTargetObject
* @Description: TODO (proxy-target-class=true 使用cglib生成代理类获取真实类)
* @param proxy
* @return
* @throws Exception
* Object
* @throws
*/
private static Object getCglibProxyTargetObject(Object proxy) throws Exception {
Field h = proxy.getClass().getDeclaredField("CGLIB$CALLBACK_0");
h.setAccessible(true);
Object dynamicAdvisedInterceptor = h.get(proxy);

Field advised = dynamicAdvisedInterceptor.getClass().getDeclaredField("advised");
advised.setAccessible(true);

Object target = ((AdvisedSupport)advised.get(dynamicAdvisedInterceptor)).getTargetSource().getTarget();

return target;
}

/**
* @Title: getJdkDynamicProxyTargetObject
* @Description: TODO (proxy-target-class=false 使用jdk生成代理类获取真实类)
* @param proxy
* @return
* @throws Exception
* Object
* @throws
*/
private static Object getJdkDynamicProxyTargetObject(Object proxy) throws Exception {
Field h = proxy.getClass().getSuperclass().getDeclaredField("h");
h.setAccessible(true);
AopProxy aopProxy = (AopProxy) h.get(proxy);

Field advised = aopProxy.getClass().getDeclaredField("advised");
advised.setAccessible(true);

Object target = ((AdvisedSupport)advised.get(aopProxy)).getTargetSource().getTarget();

return target;
}

}

通过 getTarget(proxy).getClass()方法获取的class文件 才会输出到日志文件中