添加选择分片后端

DAPlatform/Dao/Relation.py

@@ -35,10 +35,10 @@ def create_relation(slice_id, user_id, data_id):
         Slice.add_annotation(slice_id)
         relation = Relation(slice_id=slice_id, user_id=user_id, data_id=data_id)
         relation.save()
-    except:
-        return 0
+    except Exception:
+        return Result(0, "create failed", {})
     else:
-        return 1
+        return Result(1, "create success", {})
 
 
 # 根据用户id找寻标注关系
@@ -46,9 +46,9 @@ def find_relationbyuserid(user_id):
     try:
         p = Relation.get(Relation.user_id == user_id)
     except Exception:
-        print(0)
+        return Result(0, "find failed", {})
     else:
-        print(p.email)
+        return Result(1, "find success", p.email)
 
 
 # 根据数据id找标注关系
@@ -58,9 +58,9 @@ def find_relationbydataid(data_id):
     try:
         p = Relation.get(Relation.data_id == data_id)
     except Exception:
-        print(0)
+        return Result(0, "find failed", {})
     else:
-        print(p.email)
+        return Result(1, "find success", p.email)
 
 
 if __name__ == '__main__':