1.FilterType.CUSTOM 自定義過濾方式
@Configuration
@ComponentScan(value = "com.wjy",useDefaultFilters = false,includeFilters = {
@Filter(type = FilterType.CUSTOM,value = {MyFilterType.class})
})
public class Config {
public static void main(String[] args) {
var annotationConfigApplicationContext = new AnnotationConfigApplicationContext(Config.class);
var beanNames = annotationConfigApplicationContext.getBeanDefinitionNames();
//打印所有的掃描到的bean
Arrays.stream(beanNames).forEach(e -> System.out.println(e));
}
}
自定義過濾類:所有包含“service”的類名都掃描進來
public class MyFilterType implements TypeFilter {
/**
*
* @param metadataReader 讀取到的當前正在掃描的信息
* @param metadataReaderFactory 可以獲取到其他任何類的信息的
* @return
* @throws IOException
*/
@Override
public boolean match(MetadataReader metadataReader, MetadataReaderFactory metadataReaderFactory) throws IOException {
//獲取當前類註解信息
var annotationMetadata = metadataReader.getAnnotationMetadata();
//獲取當前正在掃描類信息
var classMetadata = metadataReader.getClassMetadata();
//獲取當前類路徑
var resource = metadataReader.getResource();
if(annotationMetadata.getClassName().toLowerCase().contains("service")){
return true;
}
return false;
}
}