[Java] Java aop面向切面编程(aspectJweaver)案例详解

<dependencies>
     <dependency>
         <groupId>org.aspectj</groupId>
         <artifactId>aspectjrt</artifactId>
         <version>1.8.9</version>
     </dependency>
     <dependency>
       <groupId>org.aspectj</groupId>
       <artifactId>aspectjtools</artifactId>
       <version>1.8.9</version>
     </dependency>
     <dependency>
       <groupId>org.aspectj</groupId>
       <artifactId>aspectjweaver</artifactId>
       <version>1.8.9</version>
     </dependency>
   </dependencies>
   <build>
     <plugins>
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>aspectj-maven-plugin</artifactId>
         <executions>
           <execution>
             <goals>
               <goal>compile</goal>
             </goals>
           </execution>
         </executions>
         <configuration>
           <complianceLevel>1.8</complianceLevel>
           <source>1.8</source>
           <target>1.8</target>
           <aspectDirectory>src/main/java</aspectDirectory>
         </configuration>
       </plugin>
     </plugins>
   </build>

public aspect Staspect {
 
  public pointcut kkMethod(): execution(public String aop.Test.kk());
  before(): kkMethod() {
    System.out.println("先执行我");
  }
}

public class Test {
  public String kk(){
    return "23";
  }
  public static void main(String[] args) {
    Test test=new Test();
    System.out.println(test.kk());
 
  }
}

<?xml version="1.0" encoding="UTF-8" ?>
<aspectj>
  <aspects>
    <aspect name="aop.Staspect"/>
  </aspects>
  <weaver options="-XaddSerialVersionUID"></weaver>
</aspectj>