add new files

DAPlatform/upload/1595835485.txt

+# 设置标注关系的打分数值
+def set_grade(user_id, data_id, score):
+    try:
+        relation = Relation.get(Relation.user_id == user_id, Relation.data_id == data_id)
+        relation.score = score
+        relation.save()
+    except:
+        return Result(0, "grade failed", {})
+    else:
+        return Result(1, "grade success", {})
\ No newline at end of file