@Test
 public void testSaveSettings() throws IOException {
   marshallingService.saveSettings(xmlFile, jobSchedulingData);
   assertTrue(xmlFile.exists());
   System.out.printf(
       "生成的xml文件:%s%s", xmlFile.getAbsoluteFile(), System.getProperty("line.separator"));
 }
 @Test
 public void testLoadSettings() throws IOException {
   JobSchedulingData jobSchedulingData =
       marshallingService.loadSettings(xmlFile, this.jobSchedulingData);
   assertNotNull(jobSchedulingData);
   logger.debug(jobSchedulingData.toString()); // TODO 为何不起作用?
   System.out.printf(
       "逆向生成的jobSchedulingData:%s%s",
       jobSchedulingData.toString(), System.getProperty("line.separator"));
 }