spring aop 实现方法执行时间监控

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本文介绍了如何在Mycelipse中创建一个Maven工程，利用Spring AOP和CGlib实现方法执行时间的监控。首先，添加必要的Spring、CGlib和Log4j依赖，接着配置applicationContext-aop.xml并创建AOP切面类。通过打包生成的jar包，可以在其他工程中引用，完成监控功能。主要步骤包括引入jar包、配置应用上下文和日志文件路径。

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开发环境

myEclipse ,maven spring

1.在Mycelipse 中创建maven 工程

2.在pom中添加spring依赖

主要是spring包，cglib包，log4j包等，详细查看pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<groupId>com.cyou</groupId>
	<artifactId>performence-monitor</artifactId>
	<version>1.0-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name>performence-monitor</name>
	<url>http://maven.apache.org</url>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<commons-lang.version>2.6</commons-lang.version>
		<spring.version>3.2.4.RELEASE</spring.version>
		<aspectj.version>1.7.3</aspectj.version>
		<cglib.version>3.0</cglib.version>
		<slf4j.version>1.7.7</slf4j.version>
		<log4j.version>1.2.17</log4j.version>
		<junit.version>3.8.1</junit.version>
		<slf4j.version>1.7.7</slf4j.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>${junit.version}</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>commons-lang</groupId>
			<artifactId>commons-lang</artifactId>
			<version>${commons-lang.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context-support</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.aspectj</groupId>
			<artifactId>aspectjtools</artifactId>
			<version>${aspectj.version}</version>
		</dependency>

		<dependency>
			<groupId>cglib</groupId>
			<artifactId>cglib</artifactId>
			<version>${cglib.version}</version>
			<scope>runtime</scope>
		</dependency>
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>log4j-over-slf4j</artifactId>
			<version>${slf4j.version}</version>
		</dependency>

		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>jcl-over-slf4j</artifactId>
			<version>${slf4j.version}</version>
		</dependency>

		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>jul-to-slf4j</artifactId>
			<version>${slf4j.version}</version>
		</dependency>
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-log4j12</artifactId>
			<version>${slf4j.version}</version>
		</dependency>
	</dependencies>
	
	<build>
		<plugins>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>3.1</version>
				<configuration>
					<target>1.6</target>
					<source>1.6</source>
					<encoding>utf-8</encoding>
					<fork>true</fork>
					<meminitial>128m</meminitial>
					<maxmem>512m</maxmem>
					<compilerArguments>
						<verbose />
					</compilerArguments>
				</configuration>
			</plugin>
		</plugins>
	</build>
</project>

3.在resources创建applicationContext-aop.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"
	xmlns:p="http://www.springframework.org/schema/p"
	xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="  
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd  
        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
        http://www.springframework.org/schema/context   
        http://www.springframework.org/schema/context/spring-context-3.0.xsd
        ">
        
	<context:component-scan base-package="com.henry" />
	<aop:aspectj-autoproxy proxy-target-class="true"/>

</beans>

4.创建aop切面类

/*
 * 文 件 名:  PerformenceMonitor.java
 * 描    述:  <描述>
 * 修 改 人:  Administrator
 * 修改时间:  2014-10-22
 * 跟踪单号:  <跟踪单号>
 * 修改单号:  <修改单号>
 * 修改内容:  <修改内容>
 */
package com.henry.aop;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

/**
 * 监控service接口的运行时间
 * <功能详细描述>
 * 
 * @author  Administrator
 * @version  [版本号, 2014-10-22]
 * @see  [相关类/方法]
 * @since  [产品/模块版本]
 */
@Aspect
@Component
public class PerformenceMonitor {
	
	private static final Logger logger = LoggerFactory.getLogger("monitor");
	/**
	 * 监控com.henry.advertising.web.service包及其子包的所有public方法
	 * <功能详细描述>
	 * @see [类、类#方法、类#成员]
	 */
    @Pointcut("execution(* com.henry.advertising.web.service..*.*(..))")  
    private void pointCutMethod() {  
    }  

	 //声明环绕通知  
    @Around("pointCutMethod()")  
    public Object doAround(ProceedingJoinPoint pjp) throws Throwable {  
        long begin = System.nanoTime();
        Object o = pjp.proceed();  
        long end = System.nanoTime();
        logger.debug("{}:{}",pjp.getTarget().getClass()+"."+pjp.getSignature().getName(),(end-begin)/1000000);
        return o;  
    }  
}

5.然后运行maven clean install 打包

这样就生成了一个能够监控方法执行时间的监控。可以对切面类的pointcut重新进行正则，这样就能写出一个通用的监控类

6.在别的工程中引用该jar包，实现监控

6.1在工程中引入改jar包

        <dependency>
			<groupId>com.cyou</groupId>
			<artifactId>performence-monitor</artifactId>
			<version>1.0-SNAPSHOT</version>
		</dependency>

6.2在工程的application.xml中引入该jar包的配置文件

<import resource="classpath:/applicationContext-aop.xml"/>

6.3在工程的log4j中配置日志文件路径

要注意顺序

  <appender name="performence.monitor.file" class="org.apache.log4j.DailyRollingFileAppender">
    <param name="file" value="${catalina.home}/logs/performece" />
    <param name="Append" value="true" />
    <param name="encoding" value="UTF-8" />
    <layout class="org.apache.log4j.PatternLayout">
      <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss,SSS} %r %-5p [%F:%L] : %m%n" />
    </layout>
  </appender>



  <logger name="monitor">
  	<level value="debug" />
  	<appender-ref ref="stdout" />
    <appender-ref ref="performence.monitor.file" />
  </logger>

这样，在启动这个工程的时候，监控模块就能把所拦截的方法执行时间信息打印到指定的文件中，然后供开发人员分析

结果如下:

2014-10-22 12:55:15,249 2541 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:79
2014-10-22 12:55:16,632 3924 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:43
2014-10-22 12:55:17,080 4372 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:44
2014-10-22 12:55:17,529 4821 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:47
2014-10-22 12:55:17,973 5265 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:44
2014-10-22 12:55:18,416 5708 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:44
2014-10-22 12:55:18,868 6160 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:45
2014-10-22 12:55:19,314 6606 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:45
2014-10-22 12:55:19,757 7049 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:44
2014-10-22 12:55:20,203 7495 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:44
2014-10-22 12:55:20,647 7939 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:45
2014-10-22 12:55:21,088 8380 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:44
2014-10-22 12:55:21,531 8823 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:45
2014-10-22 12:55:21,975 9267 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:44
2014-10-22 12:55:22,416 9708 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:44
2014-10-22 12:55:22,867 10159 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:45
2014-10-22 12:55:23,322 10614 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:47
2014-10-22 12:55:23,768 11060 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:45
2014-10-22 12:55:24,215 11507 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:44
2014-10-22 12:55:24,662 11954 DEBUG [PerformenceMonitor.java:49] : class com.henry.advertising.web.service.ad.impl.PictureServiceImpl.getPicture:47