/**
* 获取指定包下的所有类
* @author kevin
*
*/
public class PackageUtil {
public static List<String> getClassName(String packageName) throws IOException {
try {
return getClassNamefFromPachage(packageName);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
return null;
}
/**
* 获取指定包下面的所有类
* @param packageName 包名
* @return 类的完整名称 (不包括后缀)
* @throws IOException
* @throws ClassNotFoundException
*/
private static List<String> getClassNamefFromPachage(String packageName) throws IOException, ClassNotFoundException {
Enumeration<URL> iterator = Thread.currentThread().getContextClassLoader().getResources(packageName.replace(".", "/"));
List<String>list = new ArrayList<String>();
URL url = null;
File file = null;
File[] fls = null;
Class<?> c = null;
String className = null;
String classFullName = null;
while(iterator.hasMoreElements()) {
url = iterator.nextElement();
if ("file".equals(url.getProtocol())) {
file = new File(url.getPath());
System.out.println(file);
if (file.isDirectory()){
fls= file.listFiles();
for(File fl :fls) {
className = fl.getName();
className = className.substring(0,className.lastIndexOf(".")); //获取该类的类名 person
classFullName = packageName+"."+className;//该类的完整名称,例如com.xx.person
c=Thread.currentThread().getContextClassLoader().loadClass(classFullName);
list.add(classFullName);
}
}
}
}
return list;
}
}
获取指定包下的所有类
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转载自blog.csdn.net/chen7588693/article/details/83341341
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