public interface testaop { public void print(string s); }
public class testaopimp implements testaop{ public void print(string s) { system.out.println("具体业务逻辑"); } }
public class logutil { public void logbefore(joinpoint joinpoint) { //joinpoint为代理的方法 system.out.println("业务处理之前记录日志"); } public void logafter(joinpoint joinpoint) { system.out.println("业务处理之后记录日志"); } // @around("print()") // public void doaround(proceedingjoinpoint pjp) throws throwable { // system.out.println("开始处理业务"); //// pjp.proceed(); // system.out.println("处理业务结束"); // } //在处理的过程中发生异常 public void doafterthrowing(exception e) { system.out.println("例外通知:" + e); } public void doafterreturning(object result) { system.out.println("后置通知:" + result); } }
<bean id="testaop" class="aop.testaopimp"/> <bean id="logutil" class="aop.logutil"/> <aop:config> <aop:aspect id="aspect" ref="logutil"> <aop:pointcut id="pointtestaop" expression="execution(* aop.testaopimp.print*(..))"/> <aop:before method="logbefore" pointcut-ref="pointtestaop"/> <aop:after method="logafter" pointcut-ref="pointtestaop"/> <!--<aop:around method="doaround" pointcut-ref="pointtestaop"/>--> <aop:after-returning method="doafterreturning" pointcut-ref="pointtestaop" returning="result"/> <aop:after-throwing method="doafterthrowing" throwing="e" pointcut-ref="pointtestaop"/> </aop:aspect> </aop:config>
2.注解配置
<dependency> <groupid>aspectj</groupid> <artifactid>aspectjrt</artifactid> <version>1.5.3</version> </dependency> <dependency> <groupid>commons-logging</groupid> <artifactid>commons-logging</artifactid> <version>1.2</version> </dependency>
@aspect public class logutil { @pointcut("execution(* aop.testaopimp.print(string))") public void print() { } @before("print()") public void logbefore(joinpoint joinpoint) { //joinpoint为代理的方法 system.out.println("业务处理之前记录日志"); } @after("print()") public void logafter(joinpoint joinpoint) { system.out.println("业务处理之后记录日志"); } // @around("print()") // public void doaround(proceedingjoinpoint pjp) throws throwable { // system.out.println("开始处理业务"); //// pjp.proceed(); // system.out.println("处理业务结束"); // } //在处理的过程中发生异常 @afterthrowing(pointcut = "print()", throwing = "e") public void doafterthrowing(exception e) { system.out.println("例外通知:" + e); } @afterreturning(pointcut = "print()", returning = "result") public void doafterreturning(object result) { system.out.println("后置通知:" + result); }
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