我有一堂课测试:
public class Test
{
@Anno1(Anno1Param = "bla1")
@Anno2(Anno2Param = "bla1")
public static final String TEST1 = "test1";
@Anno1(Anno1Param = "bla2")
@Anno2(Anno2Param = "bla2")
@Anno3(Anno3Param = "bla2")
public static final String TEST2 = "test2";
@Anno3(Anno3Param = "bla3")
public static final String TEST3 = "test3";
@Anno1(Anno1Param = "bla4")
public static final String TEST4 = "test4";
}
现在,给定字段值,我想检索与之关联的注释。我现在能做到的唯一方法是:
for (Field field : Test.class.getFields()) {
if(field.get(this).equals("test4")) {
Annotation a = field.getAnnotation(Anno1.class);
......
}
}
在java反射中有没有办法可以做类似的事情:
getAnnotationByFieldValue("test4")
以便给定字段值" test4",而不遍历Test类中的所有字段并直接检索注释引用?