import java.lang.annotation.*; @Retention(RetentionPolicy.RUNTIME) @Target(ElementType.METHOD) public @interface MyAnnotation { String value() default ""; int count() default 1; } public class MyClass { @MyAnnotation(value = "Hello World!", count = 5) public void myMethod() { } } import java.lang.reflect.Method; public class MyAnnotationProcessor { public static void process(Class<?> clazz) { Method[] methods = clazz.getDeclaredMethods(); for (Method method : methods) { if (method.isAnnotationPresent(MyAnnotation.class)) { MyAnnotation annotation = method.getAnnotation(MyAnnotation.class); String value = annotation.value(); int count = annotation.count(); System.out.println("Value: " + value); System.out.println("Count: " + count); } } } } public class Main { public static void main(String[] args) { MyClass myClass = new MyClass(); MyAnnotationProcessor.process(myClass.getClass()); } } Value: Hello World! Count: 5


上一篇:
下一篇:
切换中文