Spring AOP实例 Junit4单元测试

其他 2019-03-06 15:09:07 阅读次数: 0

一、创建maven项目springAOP

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/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.sheng.example</groupId>
  <artifactId>springAOP</artifactId>
  <packaging>war</packaging>
  <version>1.0-SNAPSHOT</version>
  <name>springAOP Maven Webapp</name>
  <url>http://maven.apache.org</url>
  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <hibernate.version>5.1.0.Final</hibernate.version>
    <spring.version>4.3.2.RELEASE</spring.version>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.hibernate</groupId>
      <artifactId>hibernate-core</artifactId>
      <version>${hibernate.version}</version>
    </dependency>
    <dependency>
      <groupId>org.hibernate</groupId>
      <artifactId>hibernate-ehcache</artifactId>
      <version>${hibernate.version}</version>
    </dependency>
    <!-- 二级缓存ehcache -->
    <dependency>
      <groupId>net.sf.ehcache</groupId>
      <artifactId>ehcache</artifactId>
      <version>2.10.1</version>
    </dependency>
    <!--Spring-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context-support</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-tx</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>${spring.version}</version>
      <scope>test</scope>
    </dependency>
    <!-- aop -->
    <dependency>
      <groupId>org.aspectj</groupId>
      <artifactId>aspectjweaver</artifactId>
      <version>1.8.9</version>
    </dependency>
    <!--spring websocket-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-websocket</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-messaging</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <!--上传文件-->
    <dependency>
      <groupId>commons-fileupload</groupId>
      <artifactId>commons-fileupload</artifactId>
      <version>1.3.1</version>
    </dependency>
    <!-- springmvc 返回任意对象转JSON -->
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-core</artifactId>
      <version>2.8.2</version>
    </dependency>
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-databind</artifactId>
      <version>2.8.2</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/c3p0/c3p0 -->
    <dependency>
      <groupId>c3p0</groupId>
      <artifactId>c3p0</artifactId>
      <version>0.9.1.2</version>
    </dependency>
    <!-- spring hibernate整合时需配置 -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-orm</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>6.0.3</version>
    </dependency>

    <!-- 导入dbcp的jar包，用来在applicationContext.xml中配置数据库 -->
    <dependency>
      <groupId>org.apache.commons</groupId>
      <artifactId>commons-dbcp2</artifactId>
      <version>2.1.1</version>
    </dependency>
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>fastjson</artifactId>
      <version>1.2.12</version>
    </dependency>
    <!--日志打印-->
  </dependencies>
  <build>
    <plugins>
      <!-- 配置JDK编译版本 -->
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <configuration>
          <source>1.7</source>
          <target>1.7</target>
        </configuration>
      </plugin>
    </plugins>
  </build>
</project>
web.xml: 

<!DOCTYPE web-app PUBLIC
        "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
        "http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app version="3.0"
         xmlns="http://java.sun.com/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance http://www.springmodules.org/schema/cache/springmodules-cache.xsd http://www.springmodules.org/schema/cache/springmodules-ehcache.xsd"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
	http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>

  <!-- 指定Spring Bean的配置文件所在目录。默认配置在WEB-INF目录下 -->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:ApplicationContext.xml</param-value>
  </context-param>
  <servlet>
    <servlet-name>dispatcherServlet</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <!-- 配置 DispatcherServlet 的一个初始化参数: 配置 SpringMVC 配置文件的位置和名称 -->
    <!--
        实际上也可以不通过 contextConfigLocation 来配置 SpringMVC 的配置文件, 而使用默认的.
        默认的配置文件为: /WEB-INF/<servlet-name>-servlet.xml
    -->
    <!--  -->
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:springmvc.xml</param-value>
    </init-param>
    <async-supported>true</async-supported>
    <load-on-startup>1</load-on-startup>
  </servlet>

  <servlet-mapping>
    <servlet-name>dispatcherServlet</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
</web-app>


ApplicationContext.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:context="http://www.springframework.org/schema/context"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:task="http://www.springframework.org/schema/task"
	xmlns:websocket="http://www.springframework.org/schema/websocket" 
	xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
	   	http://www.springframework.org/schema/task
       	http://www.springframework.org/schema/task/spring-task-3.0.xsd
		http://www.springframework.org/schema/websocket http://www.springframework.org/schema/websocket/spring-websocket.xsd">
	<!-- 配置自动扫描的包 -->
	<context:component-scan base-package="com.sheng.example">
		<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
		<context:exclude-filter type="annotation" expression="org.springframework.web.bind.annotation.ControllerAdvice"/>
	</context:component-scan>
	<!-- 导入资源文件 -->
	<context:property-placeholder location="classpath:db.properties"/>
	<!-- 启动spring定时器 -->
	<task:annotation-driven/>


	<bean id="aspectBean" class="com.sheng.example.springaop.aspect.TestAspect" />
	<!-- 配置事物切点，并把切点和事物关联起来-->
	<aop:config>
		<aop:aspect id="TestAspect" ref="aspectBean">
			<!--配置com.spring.service包下所有类或接口的所有方法-->
			<aop:pointcut id="businessService" expression="execution(* com.sheng.example.springaop.service.*.*(..))" />
			<aop:before pointcut-ref="businessService" method="doBefore"/>
			<aop:after pointcut-ref="businessService" method="doAfter"/>
			<aop:around pointcut-ref="businessService" method="doAround"/>
			<aop:after-throwing pointcut-ref="businessService" method="doThrowing" throwing="ex"/>
		</aop:aspect>
	</aop:config>

	<aop:aspectj-autoproxy></aop:aspectj-autoproxy>
	<bean id="myInterceptor" class="com.sheng.example.springaop.aspect.TestAnnotationAspect"/>
</beans>


springmvc.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:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
		http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
	<!-- 配置自动扫描的包 -->
	<context:component-scan base-package="com.sheng.example" use-default-filters="false">
		<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
		<context:include-filter type="annotation" expression="org.springframework.web.bind.annotation.ControllerAdvice"/>
		<context:include-filter type="annotation" expression="org.springframework.web.servlet.config.annotation.EnableWebMvc"/>
	</context:component-scan>
	
	<mvc:annotation-driven  conversion-service="conversionService"></mvc:annotation-driven>
	
	<!-- 支持上传文件 -->  
    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">  
    	<property name="defaultEncoding" value="utf-8"></property>   
        <property name="maxUploadSize" value="10485760000"></property>  
        <property name="maxInMemorySize" value="40960"></property>  
    </bean>
   <bean id="conversionService"   
	class="org.springframework.format.support.FormattingConversionServiceFactoryBean">
</bean>  
</beans>

log4j.properties: 

# Set root logger level to error
log4j.rootLogger=INFO, Console, File

###### Console appender definition #######

# All outputs currently set to be a ConsoleAppender.
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=%d{ABSOLUTE} %-5p [%c{3}] %m%n
#log4j.appender.Console.layout.ConversionPattern=%d{ABSOLUTE} %-5p [%c] %m%n

###### File appender definition #######
log4j.appender.File=org.apache.log4j.DailyRollingFileAppender
log4j.appender.File.File=spring.log
log4j.appender.File.Append=false
log4j.appender.File.layout=org.apache.log4j.PatternLayout
log4j.appender.File.layout.ConversionPattern=%d{ABSOLUTE} %-5p [%c] %m%n

TestAspect.java 基于XML配置的切面 

package com.sheng.example.springaop.aspect;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;

/**
 * Created by Dell on 2017/1/20.
 */
public class TestAspect {
    public void doAfter(JoinPoint jp) {
        System.out.println("log Ending method: " + jp.getTarget().getClass().getName() + "." + jp.getSignature().getName());
    }

    public Object doAround(ProceedingJoinPoint pjp) throws Throwable {
        long time = System.currentTimeMillis();
        Object retVal = pjp.proceed();
        time = System.currentTimeMillis() - time;
        System.out.println("process time: " + time + " ms");
        return retVal;
    }

    public void doBefore(JoinPoint jp) {
        System.out.println("log Begining method: " + jp.getTarget().getClass().getName() + "." + jp.getSignature().getName());
    }

    public void doThrowing(JoinPoint jp, Throwable ex) {
        System.out.println("method " + jp.getTarget().getClass().getName() + "." + jp.getSignature().getName() + " throw exception");
        System.out.println(ex.getMessage());
    }
}
TestAnnotationAspect.java 基于注解的切面 

package com.sheng.example.springaop.aspect;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;

/**
 * Created by Dell on 2017/1/20.
 */
@Aspect
public class TestAnnotationAspect {
    @Pointcut("execution(* com.sheng.example.springaop.service.*.*(..))")
    private void pointCutMethod() {
    }

    //声明前置通知
    @Before("pointCutMethod()")
    public void doBefore() {
        System.out.println("前置通知");
    }

    //声明后置通知
    @AfterReturning(pointcut = "pointCutMethod()", returning = "result")
    public void doAfterReturning(String result) {
        System.out.println("后置通知");
        System.out.println("---" + result + "---");
    }

    //声明例外通知
    @AfterThrowing(pointcut = "pointCutMethod()", throwing = "e")
    public void doAfterThrowing(Exception e) {
        System.out.println("例外通知");
        System.out.println(e.getMessage());
    }

    //声明最终通知
    @After("pointCutMethod()")
    public void doAfter() {
        System.out.println("最终通知");
    }

    //声明环绕通知
    @Around("pointCutMethod()")
    public Object doAround(ProceedingJoinPoint pjp) throws Throwable {
        System.out.println("进入方法---环绕通知");
        Object o = pjp.proceed();
        System.out.println("退出方法---环绕通知");
        return o;
    }
}

AOPService.java 

package com.sheng.example.springaop.service;

/**
 * Created by Dell on 2017/1/20.
 */
public interface AOPService {
    String aoptest();
}

AOPServiceImpl.java 

package com.sheng.example.springaop.service.impl;

import com.sheng.example.springaop.service.AOPService;
import org.springframework.stereotype.Service;

/**
 * Created by Dell on 2017/1/20.
 */
@Service
public class AOPServiceImpl implements AOPService {
    @Override
    public String aoptest() {
        return "aoptest";
    }
}
MyController.java: 

package com.sheng.example.springaop.controller;

import com.sheng.example.springaop.service.AOPService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * Created by Dell on 2017/1/20.
 */
@RestController
public class MyController {
    @Autowired
    private AOPService aopService;
    @RequestMapping("/springaop")
    public String springAop(){
        return aopService.aoptest();
    }
}


启动tomcat服务，在浏览器里输入：http://localhost:8080/springaop

可以看到控制台输出：

log Begining method: com.sheng.example.springaop.service.impl.AOPServiceImpl.aoptest
进入方法---环绕通知
前置通知
后置通知
---aoptest---
最终通知
退出方法---环绕通知
process time: 0 ms
log Ending method: com.sheng.example.springaop.service.impl.AOPServiceImpl.aoptest


MyTest.java

package com.sheng.example.test;

import com.sheng.example.springaop.service.AOPService;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

/**
 * Created by Dell on 2017/1/20.
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations="classpath:ApplicationContext.xml")
public class MyTest {
    @Autowired
    private AOPService aopService;
    @Test
    public void testAOP(){
        System.out.println(aopService.aoptest());

    }
}


项目下载链接： http://download.csdn.net/detail/shengfakun1234/9742116

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