public static void saveGeneratedCGlibProxyFiles() throws Exception {
    Field field = System.class.getDeclaredField("props");
    field.setAccessible(true);
     Properties props = (Properties) field.get(null);
    System.setProperty(DebuggingClassWriter.DEBUG_LOCATION_PROPERTY, "D:\\tmp\\cglib");//dir为保存文件路径
    props.put("net.sf.cglib.core.DebuggingClassWriter.traceEnabled", "true");
}