/**
   * 删除
   *
   * @param content
   * @return
   */
  @RequestMapping(value = "delete", method = RequestMethod.POST)
  public ResponseEntity<Void> deleteContent(Content content) {

    try {
      contentService.delete(content);
      return ResponseEntity.status(HttpStatus.CREATED).build();
    } catch (Exception e) {
      e.printStackTrace();
      return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).build();
    }
  }