spring注解实现AOP

项目结构图

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" alt="">

注意事项：

　　如果要使用AspectJ完成注解切面需要注意下面的JDK与AspectJ的匹配：

文件。

encoding=?> ==== http: http: http:

<aop:aspectj-autoproxy></aop:aspectj-autoproxy>  

<bean id=<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;userManager</span><span style="color: #800000"&gt;"</span> <span style="color: #0000ff"&gt;class</span>=<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;com.tgb.spring.UserManagerImpl</span><span style="color: #800000"&gt;"</span>></bean>  

<bean id=<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;aspectJAdvice</span><span style="color: #800000"&gt;"</span> <span style="color: #0000ff"&gt;class</span>=<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;com.tgb.spring.AspectJAdvice</span><span style="color: #800000"&gt;"</span>></bean>

2.UserManager的接口实现

public interface UserManager {

</span><span style="color: #0000ff"&gt;public</span> <span style="color: #0000ff"&gt;abstract</span> <span style="color: #0000ff"&gt;void</span><span style="color: #000000"&gt; addUser(String userName,String password);  

</span><span style="color: #0000ff"&gt;public</span> <span style="color: #0000ff"&gt;abstract</span> <span style="color: #0000ff"&gt;void</span> delUser(<span style="color: #0000ff"&gt;int</span><span style="color: #000000"&gt; userId);  

</span><span style="color: #0000ff"&gt;public</span> <span style="color: #0000ff"&gt;abstract</span> String findUserById(<span style="color: #0000ff"&gt;int</span><span style="color: #000000"&gt; userId);  

</span><span style="color: #0000ff"&gt;public</span> <span style="color: #0000ff"&gt;abstract</span> <span style="color: #0000ff"&gt;void</span> modifyUser(<span style="color: #0000ff"&gt;int</span><span style="color: #000000"&gt; userId,String userName,String password);

}

3.继承UserManager接口实现UserManagerImpl

public class UserManagerImpl implements UserManager {

@Override
</span><span style="color: #0000ff"&gt;public</span>  <span style="color: #0000ff"&gt;void</span><span style="color: #000000"&gt; addUser(String userName,String password) {
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt; TODO Auto-generated method stub</span>
     System.<span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;----tianjia.delUser()----</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);         
}
@Override
</span><span style="color: #0000ff"&gt;public</span>  <span style="color: #0000ff"&gt;void</span> delUser(<span style="color: #0000ff"&gt;int</span><span style="color: #000000"&gt; userId) {
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt; TODO Auto-generated method stub</span>
     System.<span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;----shanchu.delUser()----</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
} 
@Override
</span><span style="color: #0000ff"&gt;public</span>  String findUserById(<span style="color: #0000ff"&gt;int</span><span style="color: #000000"&gt; userId) {  

    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;----UserManagerImpl.findUserById()----</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  

    </span><span style="color: #0000ff"&gt;if</span>(userId <= <span style="color: #800080"&gt;0</span><span style="color: #000000"&gt;){  
        </span><span style="color: #0000ff"&gt;throw</span> <span style="color: #0000ff"&gt;new</span> IllegalArgumentException(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;该<a href="/tag/yonghu/" target="_blank" class="keywords">用户</a>不存在</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    }  
    </span><span style="color: #0000ff"&gt;return</span> <span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;jiuqiyuliang</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;;  
} 
@Override
</span><span style="color: #0000ff"&gt;public</span> <span style="color: #0000ff"&gt;void</span> modifyUser(<span style="color: #0000ff"&gt;int</span><span style="color: #000000"&gt; userId,String password) {
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt; TODO Auto-generated method stub</span>
     System.<span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;----xiugai.delUser()----</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
}

}

4.切面实现

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;

@Aspect
public class AspectJAdvice {

</span><span style="color: #008000"&gt;/*</span><span style="color: #008000"&gt;* 
 * Pointcut 
 * 定义Pointcut，Pointcut的<a href="/tag/mingcheng/" target="_blank" class="keywords">名称</a>为aspectjMethod()，此<a href="/tag/fangfa/" target="_blank" class="keywords">方法</a>没有返回值和参数 
 * 该<a href="/tag/fangfa/" target="_blank" class="keywords">方法</a>就是一个标识，不进行<a href="/tag/diaoyong/" target="_blank" class="keywords">调用</a> 
 </span><span style="color: #008000"&gt;*/</span><span style="color: #000000"&gt;  
@Pointcut(</span><span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;execution(* find*(..))</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;)  
</span><span style="color: #0000ff"&gt;private</span> <span style="color: #0000ff"&gt;void</span><span style="color: #000000"&gt; aspectjMethod(){};  

</span><span style="color: #008000"&gt;/*</span><span style="color: #008000"&gt;*  
 * Before 
 * 在核心业务执行前执行，不能阻止核心业务的<a href="/tag/diaoyong/" target="_blank" class="keywords">调用</a>。 
 * @param joinPoint  
 </span><span style="color: #008000"&gt;*/</span><span style="color: #000000"&gt;    
@Before(</span><span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;aspectjMethod()</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;)    
</span><span style="color: #0000ff"&gt;public</span> <span style="color: #0000ff"&gt;void</span><span style="color: #000000"&gt; doBefore(JoinPoint joinPoint) {    
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;-----doBefore.invoke-----</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt; 此处意在执行核心业务逻辑前，做一些安全性的判断等等</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt; 可通过joinPoint来<a href="/tag/huoqu/" target="_blank" class="keywords">获取</a>所需要的<a href="/tag/neirong/" target="_blank" class="keywords">内容</a></span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;-----End of doBefore()------</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
}  



</span><span style="color: #008000"&gt;/*</span><span style="color: #008000"&gt;*  
 * Around  
 * 手动控制<a href="/tag/diaoyong/" target="_blank" class="keywords">调用</a>核心业务逻辑，以及<a href="/tag/diaoyong/" target="_blank" class="keywords">调用</a>前和<a href="/tag/diaoyong/" target="_blank" class="keywords">调用</a>后的处理,*  
 * 注意：当核心业务抛异常后，立即<a href="/tag/tuichu/" target="_blank" class="keywords">退出</a>，转向AfterAdvice 
 * 执行完AfterAdvice，再转到ThrowingAdvice 
 * @param pjp 
 * @return 
 * @throws Throwable 
 </span><span style="color: #008000"&gt;*/</span><span style="color: #000000"&gt;   
@Around(value </span>= <span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;aspectjMethod()</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;)    
</span><span style="color: #0000ff"&gt;public</span><span style="color: #000000"&gt; Object doAround(ProceedingJoinPoint pjp) throws Throwable {    
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;-----doAround.invoke-----</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt; 此处可以做类似于Before的事情</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  

    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;<a href="/tag/diaoyong/" target="_blank" class="keywords">调用</a>核心逻辑  </span>
    Object retVal =<span style="color: #000000"&gt; pjp.proceed();  
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt; 此处可以做类似于After的事情</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;-----End of doAround()------</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    </span><span style="color: #0000ff"&gt;return</span><span style="color: #000000"&gt; retVal;  
}    


</span><span style="color: #008000"&gt;/*</span><span style="color: #008000"&gt;*  
 * After  
 * 核心业务逻辑<a href="/tag/tuichu/" target="_blank" class="keywords">退出</a>后（<a href="/tag/baokuo/" target="_blank" class="keywords">包括</a>正常执行结束和异常<a href="/tag/tuichu/" target="_blank" class="keywords">退出</a>），执行此Advice 
 * @param joinPoint 
 </span><span style="color: #008000"&gt;*/</span><span style="color: #000000"&gt;  
@After(value </span>= <span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;aspectjMethod()</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;)    
</span><span style="color: #0000ff"&gt;public</span> <span style="color: #0000ff"&gt;void</span><span style="color: #000000"&gt; doAfter(JoinPoint joinPoint) {    
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;-----doAfter.invoke-----</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt; 此处意在执行核心业务逻辑之后，做一些日志记录操作等等</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt; 可通过joinPoint来<a href="/tag/huoqu/" target="_blank" class="keywords">获取</a>所需要的<a href="/tag/neirong/" target="_blank" class="keywords">内容</a></span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;-----End of doAfter()------</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
}    

</span><span style="color: #008000"&gt;/*</span><span style="color: #008000"&gt;*  
 * AfterReturning  
 * 核心业务逻辑<a href="/tag/diaoyong/" target="_blank" class="keywords">调用</a>正常<a href="/tag/tuichu/" target="_blank" class="keywords">退出</a>后，不管是否有返回值，正常<a href="/tag/tuichu/" target="_blank" class="keywords">退出</a>后，均执行此Advice 
 * @param joinPoint 
 </span><span style="color: #008000"&gt;*/</span><span style="color: #000000"&gt;   
@AfterReturning(value </span>= <span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;aspectjMethod()</span><span style="color: #800000"&gt;"</span>,returning = <span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;retVal</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;)    
</span><span style="color: #0000ff"&gt;public</span> <span style="color: #0000ff"&gt;void</span><span style="color: #000000"&gt; doReturn(JoinPoint joinPoint,String retVal) {    
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;-----doReturn().invoke-----</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;Return Value: </span><span style="color: #800000"&gt;"</span> +<span style="color: #000000"&gt; retVal);   
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt; 此处可以对返回值做进一步处理</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt; 可通过joinPoint来<a href="/tag/huoqu/" target="_blank" class="keywords">获取</a>所需要的<a href="/tag/neirong/" target="_blank" class="keywords">内容</a></span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;-----End of doReturn()------</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
}  

</span><span style="color: #008000"&gt;/*</span><span style="color: #008000"&gt;* 
 * 核心业务逻辑<a href="/tag/diaoyong/" target="_blank" class="keywords">调用</a>异常<a href="/tag/tuichu/" target="_blank" class="keywords">退出</a>后，执行此Advice，处理<a href="/tag/cuowu/" target="_blank" class="keywords">错误</a>信息 
 *  
 * 注意：执行顺序在Around Advice之后 
 * @param joinPoint 
 * @param ex 
 </span><span style="color: #008000"&gt;*/</span><span style="color: #000000"&gt;  
@AfterThrowing(value </span>= <span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;aspectjMethod()</span><span style="color: #800000"&gt;"</span>,throwing = <span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;ex</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;)    
</span><span style="color: #0000ff"&gt;public</span> <span style="color: #0000ff"&gt;void</span><span style="color: #000000"&gt; doThrowing(JoinPoint joinPoint,Exception ex) {    
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;-----doThrowing().invoke-----</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt; <a href="/tag/cuowu/" target="_blank" class="keywords">错误</a>信息：</span><span style="color: #800000"&gt;"</span>+<span style="color: #000000"&gt;ex.getMessage());  
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt; 此处意在执行核心业务逻辑出错时，捕获异常，并可做一些日志记录操作等等</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt; 可通过joinPoint来<a href="/tag/huoqu/" target="_blank" class="keywords">获取</a>所需要的<a href="/tag/neirong/" target="_blank" class="keywords">内容</a></span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;-----End of doThrowing()------</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);    
}

}

5.Client端实现

beanfactory; import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.tgb.spring.UserManager;
import com.tgb.spring.UserManagerImpl;
public class Client {

</span><span style="color: #0000ff"&gt;public</span> <span style="color: #0000ff"&gt;static</span> <span style="color: #0000ff"&gt;void</span><span style="color: #000000"&gt; main(String[] args) {  
    <a href="/tag/beanfactory/" target="_blank" class="keywords">beanfactory</a> factory </span>= <span style="color: #0000ff"&gt;new</span> ClassPathXmlApplicationContext(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;applicationContext.xml</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  

    UserManager userManager </span>= (UserManager) factory.getBean(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;userManager</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;可以查找张三  </span>
    userManager.findUserById(<span style="color: #800080"&gt;1</span><span style="color: #000000"&gt;);  

    System.</span><span style="color: #0000ff"&gt;out</span>.println(<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;=====我==是==分==割==线=====</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);  

    </span><span style="color: #0000ff"&gt;try</span><span style="color: #000000"&gt; {  
        </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt; 查不到数据，会抛异常，异常会被AfterThrowingAdvice捕获  </span>
        userManager.findUserById(<span style="color: #800080"&gt;0</span><span style="color: #000000"&gt;);  
    } </span><span style="color: #0000ff"&gt;catch</span><span style="color: #000000"&gt; (IllegalArgumentException e) {  
    }  
}

}

spring注解实现AOP

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