fix(培训模块): 添加注释信息

dev-train/src/main/java/com/tykj/dev/device/train/controller/TrainController.java

@@ -96,6 +96,13 @@ public class TrainController {
         return ResponseEntity.ok(unitsService.findLeftNavigationNotDirectlyUnit(securityUser));
     }
 
+    /**
+     * 导出培训人员信息
+     * @param trainId 培训id
+     * @param request 入
+     * @param response 出
+     * @return 响应
+     */
     @GetMapping("/export/trainUser/{trainId}")
     @ApiOperation(value = "导出培训人员信息", notes = "导出培训人员信息")
     public ResponseEntity selectTrainUnitsOrganization(@PathVariable Integer trainId, HttpServletRequest request, HttpServletResponse response){