Amazon Lex的会话属性不允许嵌套对象吗?

本文介绍了Amazon Lex的会话属性不允许嵌套对象吗?的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

我正在尝试将嵌套对象保留在sessionAttributes中.但是，似乎Amazon Lex无法识别我是否发送以下结构作为响应:

I am trying to persist a nested object in sessionAttributes. However, it seems Amazon Lex does not recognize if I send a structure like this in response:

{ "sessionAttributes": { "previousIntent": "TCAIntent", "prevSlots": { "test": 1 } }, "dialogAction": { "type": "Delegate", "slots": { "firstName": null, "lastName": null, "rate": null, "rentMortgage": null, "downPayment": null, "purchasePrice": null, "email": null } } }

当我用值替换{"test": 1}时，它可以正常工作.有没有办法解决这个问题或可能的错误?

When I replace {"test": 1} with a value, it works fine. Is there a way around this or possible mistake?

错误:

推荐答案

我发现Lex不允许在sessionAttributes上存储json对象或数组.解决方法是，我将json对象转换为字符串，并在需要使用时将其转换回.

I have figured out that Lex does not allow storing json object or array on sessionAttributes. As a work around, I converted the json object to string and convert it back when I need to use it.