Amazon web services 会话技巧错误
我在Alexa中创造了一项技能,可以做到以下几点Amazon web services 会话技巧错误,amazon-web-services,aws-lambda,alexa-skills-kit,alexa-slot,Amazon Web Services,Aws Lambda,Alexa Skills Kit,Alexa Slot,我在Alexa中创造了一项技能,可以做到以下几点 用户:你好 Alexa你好请告诉我你的名字 用户:约翰 嗨,约翰,很高兴认识你。你多大了 用户:25 以下是我的意图 { "intents": [ { "intent": "StartTheFlow", "slots": [ { "name": "custName", "type": "list_of_userNames" },
{
"intents": [
{
"intent": "StartTheFlow",
"slots": [
{
"name": "custName",
"type": "list_of_userNames"
},
{
"name": "age",
"type": "AMAZON.NUMBER"
}
]
},
{
"intent": "AMAZON.HelpIntent"
},{
"intent": "Welcome"
},
{
"intent": "AMAZON.StopIntent"
},
{
"intent": "AMAZON.CancelIntent"
}
]
}
下面是我的发言
StartTheFlow Hi
StartTheFlow {custName}
StartTheFlow {age}
下面是我的内容
我试着如下处理这个问题
private SpeechletResponse getTheFlow(Intent intent, Session session) {
boolean isAskResponse = true;
String responseText = "";
String nameFromSession = (String) session.getAttribute("name");
if (StringUtils.isNullOrEmpty(nameFromSession)) {
responseText = "please give me your name";
getTheNameText(intent, session);
} else {
System.out.println(session.getAttribute("nameFromSession"));
responseText = "please give me your date of birth";
}
return getSpeechletResponse(responseText, "", isAskResponse);
}
private String getTheNameText(Intent intent, Session session) {
String userNameFrmIntent = getNameFromSlot(intent).toString();
session.setAttribute("nameFromSession", userNameFrmIntent);
return getNameFromSlot(intent).toString();
}
private String getNameFromSlot(Intent intent) {
Slot userName = intent.getSlot(Slot_Name);
return userName.getValue();
}
另外,我在顶部定义了一个槽,如下所示
private static final String Slot_Name = "custName";
{
"session": {
"sessionId": "SessionId.a2740ca4-73ff-4a15-856d-6461b3c7b2e1",
"application": {
"applicationId": "amzn1.ask.skill.e3dfb30e-0089-423c-a325-30ad28dd2e2b"
},
"attributes": {},
"user": {
"userId": "amzn1.ask.account.AEQYTT5HFHEGGDSUCT3NW45HKR7O3FBL5YCBSZIS7P5LNP5BXFEMUR7AUYOZVKC2FT5V6RKJC7RNA5VMZVREBAXAQP3NFNTQSFSSKSEXIYT4FQYMS5JCI2CCAOPUF4FN4C6DHEU6ONNY3D6GN5AWK75KOQNJH2IWROIIXTPNXSNI6FLQYRBBMP7TRSOWVNCY73WJUT2VLHDACWA"
},
"new": true
},
"request": {
"type": "IntentRequest",
"requestId": "EdwRequestId.cf686fc0-cbfd-4496-bb09-c41714563507",
"locale": "en-US",
"timestamp": "2017-02-15T20:12:44Z",
"intent": {
"name": "StartTheFlow",
"slots": {
"custName": {
"name": "custName",
"value": "hi"
}
}
}
},
"version": "1.0"
}
但在这里,当我键入Hi
时,它没有询问我的名字,而是在日志中给了我一个错误,它显示了Java NullPointer异常。我键入Hi
时得到的响应如下所示
private static final String Slot_Name = "custName";
{
"session": {
"sessionId": "SessionId.a2740ca4-73ff-4a15-856d-6461b3c7b2e1",
"application": {
"applicationId": "amzn1.ask.skill.e3dfb30e-0089-423c-a325-30ad28dd2e2b"
},
"attributes": {},
"user": {
"userId": "amzn1.ask.account.AEQYTT5HFHEGGDSUCT3NW45HKR7O3FBL5YCBSZIS7P5LNP5BXFEMUR7AUYOZVKC2FT5V6RKJC7RNA5VMZVREBAXAQP3NFNTQSFSSKSEXIYT4FQYMS5JCI2CCAOPUF4FN4C6DHEU6ONNY3D6GN5AWK75KOQNJH2IWROIIXTPNXSNI6FLQYRBBMP7TRSOWVNCY73WJUT2VLHDACWA"
},
"new": true
},
"request": {
"type": "IntentRequest",
"requestId": "EdwRequestId.cf686fc0-cbfd-4496-bb09-c41714563507",
"locale": "en-US",
"timestamp": "2017-02-15T20:12:44Z",
"intent": {
"name": "StartTheFlow",
"slots": {
"custName": {
"name": "custName",
"value": "hi"
}
}
}
},
"version": "1.0"
}
有人能告诉我哪里出了问题,我如何解决这个问题,我有很多问题需要联系,比如25个,有人能告诉我是否有更好的方法在java中实现这一点吗
谢谢我建议为用户所说的每件事创建一个单独的意图。例如,HelloIntent、NameIntent和AgeIntent 然后确保将这些信息转发给会话中的所有后续意图。因此,每个意图可以在开始时使用一个公共函数从会话中读取每个字符串(如果存在),向其中添加新的插槽数据,然后在完成之前将所有字符串写回响应会话 由于您将有单独的意图,用户可能会说它们不符合顺序,因此您可能需要检查是否输入了所有需要的字符串,或者提示用户输入任何缺少的字符串 在会话中保存数据的问题是,在用户下次启动技能时,数据将消失。为了解决这个问题,您可以使用一个数据库来保存用户数据,并将其保存到userId中。关于如何做到这一点,有很多例子。请注意,有些数据库基本上是免费的,但其他数据库将根据每月使用的次数向您收费