feat: enstat2 返回时保留2位小数

apps/enm/serializers.py

@@ -122,4 +122,13 @@ class EnStatSerializer(CustomModelSerializer):
 class EnStat2Serializer(CustomModelSerializer):
     class Meta:
         model = EnStat2
-        fields = '__all__'
+        fields = '__all__'
+
+    def to_representation(self, instance):
+        ret = super().to_representation(instance)
+        my_dic_keys = list(ret.keys())
+        for key in my_dic_keys:
+            ret_one_val = ret[key]
+            if isinstance(ret_one_val, float):
+                ret[key] = "{:.2f}".format(round(ret_one_val, 2))
+        return ret