/** * 得到所有实现接口而且在同包下的的类 * @param aClass * @return * @throws IOException * @throws ClassNotFoundException */ public ListgetImplClass(Class aClass) throws IOException, ClassNotFoundException { List list = new ArrayList<>(); List resultList = new ArrayList<>(); String aPackage=aClass.getPackage().getName(); ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); Enumeration enumeration =classLoader.getResources(aPackage.replaceAll("\\.","/")); while (enumeration.hasMoreElements()) { list.addAll(findClass(enumeration.nextElement().getPath(), aPackage)); } for (Class c:list) { if (isImplInterface(c) && !aClass.equals(c) && !resultList.contains(c)) { resultList.add(c); } } resultList.add(0,Class.forName("com.huawei.SysCode")); return resultList; } private boolean isImplInterface(Class aClass) { Class[] classes=aClass.getInterfaces(); for (Class c : classes) { if(INTERFACE_CLASS.equals(c.getName()) { return true; } } return false; } /** * 得到路径下所有class * @param dir * @param packageName * @return * @throws ClassNotFoundException */ private List findClass(String dir, String packageName) throws ClassNotFoundException { List list = new ArrayList<>(); File f = new File(dir); if (!f.exists()) { return list; } File[] files=f.listFiles(); for (File file : files) { if (file.isDirectory())) { list.addAll(findClass(file.getPath(), packageName+"."+file.getName())); }else if(file.getName().matches(".+\\.class$")){ list.add(Class.forName(packageName+"."+file.getName().replaceAll("\\.class$",""))); } } return list; }