接口：根据taskId查询累计的任务时长

zsw-farm/zsw-farm-impl/src/main/java/cn/iocoder/yudao/module/farm/controller/admin/discuss/DiscussController.java

@@ -110,4 +110,9 @@ public class DiscussController {
         return  discussService.findDiscussList(pageDTO);
     }
 
+    @ApiModelProperty("根据taskId查询累计的任务时长")
+    @GetMapping("/cumulativeQuantity")
+    public R<Integer> cumulativeQuantity(@RequestParam("taskId") Long taskId){
+        return discussService.cumulativeQuantity(taskId);
+    }
 }

zsw-farm/zsw-farm-impl/src/main/java/cn/iocoder/yudao/module/farm/service/discuss/DiscussService.java

@@ -75,4 +75,9 @@ public interface DiscussService {
 
     R<PageVO<DiscussDTO>> findDiscussList(DiscussPageDTO pageDTO);
 
+    /**
+     *  根据taskId查询累计的任务时长
+     **/
+    R<Integer> cumulativeQuantity(Long taskId);
+
 }

zsw-farm/zsw-farm-impl/src/main/java/cn/iocoder/yudao/module/farm/service/discuss/DiscussServiceImpl.java

@@ -209,4 +209,11 @@ public class DiscussServiceImpl implements DiscussService {
         return R.success(returnList);
     }
 
+    public R<Integer> cumulativeQuantity(Long taskId){
+        List<DiscussDO> discussDOList = discussMapper.selectList(DiscussDO::getTaskId, taskId);
+        if (ObjectUtil.isEmpty(discussDOList)){
+            return R.success(0);
+        }
+        return R.success(discussDOList.stream().mapToInt(DiscussDO::getCropNum).sum());
+    }
 }