import org.apache.commons.lang3.ArrayUtils;import org.springframework.beans.factory.BeanDefinitionStoreException;import org.springframework.context.ResourceLoaderAware;import org.springframework.core.io.Resource;import org.springframework.core.io.ResourceLoader;import org.springframework.core.io.support.PathMatchingResourcePatternResolver;import org.springframework.core.io.support.ResourcePatternResolver;import org.springframework.core.io.support.ResourcePatternUtils;import org.springframework.core.type.classreading.CachingMetadataReaderFactory;import org.springframework.core.type.classreading.MetadataReader;import org.springframework.core.type.classreading.MetadataReaderFactory;import org.springframework.core.type.filter.AnnotationTypeFilter;import org.springframework.core.type.filter.TypeFilter;import org.springframework.util.StringUtils;import org.springframework.util.SystemPropertyUtils;import java.io.IOException;import java.lang.annotation.Annotation;import java.util.HashSet;import java.util.LinkedList;import java.util.List;import java.util.Set;public class ClassScaner implements ResourceLoaderAware {    //保存过滤规则要排除的注解    private final List
    
      includeFilters = new LinkedList
     
      ();    private final List
      
        excludeFilters = new LinkedList
       
        ();    private ResourcePatternResolver resourcePatternResolver = new PathMatchingResourcePatternResolver();    private MetadataReaderFactory metadataReaderFactory = new CachingMetadataReaderFactory(this.resourcePatternResolver);    public static Set
        
          scan(String[] basePackages,                                  Class
         ... annotations) {        ClassScaner cs = new ClassScaner();        if(ArrayUtils.isNotEmpty(annotations)) {            for (Class anno : annotations) {                cs.addIncludeFilter(new AnnotationTypeFilter(anno));            }        }        Set
         
           classes = new HashSet
          
           (); for (String s : basePackages) classes.addAll(cs.doScan(s)); return classes; } public static Set
           
             scan(String basePackages, Class
            ... annotations) { return ClassScaner.scan(StringUtils.tokenizeToStringArray(basePackages, ",; \t\n"), annotations); } public final ResourceLoader getResourceLoader() { return this.resourcePatternResolver; } public void setResourceLoader(ResourceLoader resourceLoader) { this.resourcePatternResolver = ResourcePatternUtils .getResourcePatternResolver(resourceLoader); this.metadataReaderFactory = new CachingMetadataReaderFactory( resourceLoader); } public void addIncludeFilter(TypeFilter includeFilter) { this.includeFilters.add(includeFilter); } public void addExcludeFilter(TypeFilter excludeFilter) { this.excludeFilters.add(0, excludeFilter); } public void resetFilters(boolean useDefaultFilters) { this.includeFilters.clear(); this.excludeFilters.clear(); } public Set
            
              doScan(String basePackage) { Set
             
               classes = new HashSet
              
               (); try { String packageSearchPath = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX + org.springframework.util.ClassUtils .convertClassNameToResourcePath(SystemPropertyUtils .resolvePlaceholders(basePackage)) + "/**/*.class"; Resource[] resources = this.resourcePatternResolver .getResources(packageSearchPath); for (int i = 0; i < resources.length; i++) { Resource resource = resources[i]; if (resource.isReadable()) { MetadataReader metadataReader = this.metadataReaderFactory.getMetadataReader(resource); if ((includeFilters.size() == 0 && excludeFilters.size() == 0) || matches(metadataReader)) { try { classes.add(Class.forName(metadataReader .getClassMetadata().getClassName())); } catch (ClassNotFoundException e) { e.printStackTrace(); } } } } } catch (IOException ex) { throw new BeanDefinitionStoreException( "I/O failure during classpath scanning", ex); } return classes; } protected boolean matches(MetadataReader metadataReader) throws IOException { for (TypeFilter tf : this.excludeFilters) { if (tf.match(metadataReader, this.metadataReaderFactory)) { return false; } } for (TypeFilter tf : this.includeFilters) { if (tf.match(metadataReader, this.metadataReaderFactory)) { return true; } } return false; } public static void main(String[] args) { ClassScaner.scan("com.hjzgg.test.thirdjar.config,com.hjzgg.test.thirdjar.web", null) .forEach(clazz -> System.out.println(clazz)); }}