Java 将注释工作的结果传递给注释的方法
注释:Java 将注释工作的结果传递给注释的方法,java,spring,annotations,aop,aspect,Java,Spring,Annotations,Aop,Aspect,注释: @Target(ElementType.METHOD) @Retention(RetentionPolicy.RUNTIME) public @interface Multipart { Class acceptClass(); } 注释方法: @Multipart (acceptClass = SomeClass.class) public void someMethod(SomeClass a){ //do stuff.. } 多方面: @Aspect publi
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
public @interface Multipart {
Class acceptClass();
}
注释方法:
@Multipart (acceptClass = SomeClass.class)
public void someMethod(SomeClass a){
//do stuff..
}
多方面:
@Aspect
public class MultipartAspect {
@Autowired(required=true)
private HttpServletRequest request;
@Pointcut(value = "@annotation(Multipart)", argNames = "multipart")
public void before(JoinPoint jp, Multipart multipart) {}
@Before("before()")
public SomeClass doStuffBeforeThing() {
SomeClass sc = new SomeClass(); //object of passed class
//do something..
return sc; //return this to annotated method(somemethod)
}
}
我想在方法工作之前执行注释,创建传递类(
SomeClass
)的对象,并将该类的对象传递给带注释的方法。我可以这样做吗?你应该使用@Around advice而不是@Before。你应该使用@Around advice而不是@Before