Alexa Skill Learning: TypeError: Cannot read property 'value' of undefined
Alexa Skill Learning: TypeError: Cannot read property 'value' of undefined
当我尝试测试我的基本技能（我正在尝试学习如何创建它们）时，我总是遇到错误。
这是日志中的错误：
2018-11-21T16:10:55.759Z 06a36441-eda8-11e8-a421-f996bf66c592
Unexpected exception 'TypeError: Cannot read property 'value' of
undefined':
TypeError: Cannot read property 'value' of undefined at
Object.getSuggestion (/var/task/index.js:31:54) at emitNone
(events.js:86:13) at AlexaRequestEmitter.emit (events.js:185:7) at
AlexaRequestEmitter.EmitEvent
(/var/task/node_modules/alexa-sdk/lib/alexa.js:216:10) at
AlexaRequestEmitter.ValidateRequest
(/var/task/node_modules/alexa-sdk/lib/alexa.js:181:23) at
AlexaRequestEmitter.HandleLambdaEvent
(/var/task/node_modules/alexa-sdk/lib/alexa.js:126:25) at
AlexaRequestEmitter.value
(/var/task/node_modules/alexa-sdk/lib/alexa.js:100:31)
at exports.handler (/var/task/index.js:52:9)
我该如何解决这个问题？
这是我的代码：
var Alexa = require('alexa-sdk');
const APP_ID = 'amzn1.ask.skill.ab07421a-0a92-4c2b-b3bd-998e14286xxx';
const skillData = [
{
city: "Austin",
suggestion: "Austin has some of the most outstanding people."
},
{
city: "San Antonio",
suggestion: "San Antonio has some of the most outstanding people."
},
{
city: "Dallas",
suggestion: "The Dallas metroplex is one of the hottest places."
}
];
var number = 0;
while(number<3){
var handlers = {
'LaunchRequest': function () {
this.emit(':ask', 'Tell me the name of the major city you are closest to'
},
'Unhandled': function () {
this.emit(':ask', 'Try saying a city name like Austin, San Antonio, or Dallas');
},
'getSuggestion': function() {
var city = this.event.request.intent.slots.City.value;
this.emit(':ask', getSuggestion(skillData,'city', city.toUpperCase()).suggestion + '. Give me another city and I\'ll hook you up with the best peeps.');
},
'AMAZON.HelpIntent': function () {
this.emit(':ask', "What can I help you with?", "How can I help?");
},
'AMAZON.CancelIntent': function () {
this.emit(':tell', "Okay!");
},
'AMAZON.StopIntent': function () {
this.emit(':tell', "Goodbye!");
},
};
number = number+1;
}
exports.handler = function(event, context, callback){
var alexa = Alexa.handler(event, context);
alexa.appId = APP_ID;
alexa.registerHandlers(handlers);
alexa.execute();
};
function getSuggestion(arr, propName, cityName) {
for (var i=0; i < arr.length; i++) {
if (arr[i][propName] == cityName) {
return arr[i];
}
}
}
更新
我已经按照下面的建议进行了一些更改，但是，在初始响应后我仍然收到错误消息。
"errorMessage": "Cannot read property 'city' of undefined"
请查看我的新代码并帮助我解决这个问题：
var Alexa = require('alexa-sdk');
const APP_ID = 'amzn1.ask.skill.ab07421a-0a92-4c2b-b3bd-998e14286xxx';
const skillData = [
{
city: 'Austin',
suggestion: "Austin is blahblahblahblahlshflashdfasldfha blah."
},
{
city: 'San Antonio',
suggestion: "San Antonio has blahblahblahblahlshflashdfasldfha blah."
},
{
city: 'Dallas',
suggestion: "The Dallas metroplex is one of the hottest blahblahblahbla blahblahblahblahblahblah."
}
];
var number = 0;
while(number<3){
var handlers = {
'LaunchRequest': function () {
this.emit(':ask', 'Tell me the name of the major city you are closest to!', 'Which major city are you closest to?');
},
'Unhandled': function () {
this.emit(':ask', "Try saying a city name like Austin, San Antonio, or Dallas");
},
'getSuggestion': function() {
var city = this.event.request.intent.slots.city.value;
this.emit(':ask', getSuggestion(skillData,'city', city.toUpperCase()).suggestion + '. Give me another city and I\'ll hook you up with the best peeps.');
},
'AMAZON.HelpIntent': function () {
this.emit(':ask', "What can I help you with?", "How can I help?");
},
'AMAZON.CancelIntent': function () {
this.emit(':tell', "Okay!");
},
'AMAZON.StopIntent': function () {
this.emit(':tell', "Goodbye!");
},
};
number = number+1;
}
exports.handler = function(event, context, callback){
var alexa = Alexa.handler(event, context);
alexa.appId = APP_ID;
alexa.registerHandlers(handlers);
alexa.execute();
};
function getSuggestion(arr, propName, cityName) {
for (var i=0; i < arr.length; i++) {
var prop = arr[i][propName];
prop = prop.toUpperCase();
if (prop == cityName) {
return arr[i];
}
}
}
更新#2
在尝试了很多不同的东西之后，在 bal simpson 的帮助下，我掌握了 运行 的技能！
但是，当用户说出城市名称时，该技能仍然会出错。我的交互模型一定有错误，如下所示：
{
"interactionModel": {
"languageModel": {
"invocationName": "city picker",
"intents": [
{
"name": "AMAZON.FallbackIntent",
"samples": []
},
{
"name": "AMAZON.CancelIntent",
"samples": []
},
{
"name": "AMAZON.HelpIntent",
"samples": []
},
{
"name": "AMAZON.StopIntent",
"samples": [
"stop"
]
},
{
"name": "AMAZON.NavigateHomeIntent",
"samples": []
},
{
"name": "getSuggestion",
"slots": [],
"samples": [
"san antonio",
"dallas",
"austin"
]
}
],
"types": []
}
}
}
接近！！
作为最后的努力：
这是我在 Lambda 中的 index.js。有人介意看看这个吗？
const LaunchRequestHandler = {
canHandle(handlerInput) {
return handlerInput.requestEnvelope.request.type === "LaunchRequest";
},
handle(handlerInput) {
console.log("LaunchRequestHandler");
let speechText = 'Lets get you into your new home. Tell me the name of the major city you are closest to!';
let prompt = 'Which major city are you closest to?';
return handlerInput.responseBuilder
.speak(speechText)
.reprompt(prompt)
.getResponse();
}
};
const GetSuggestionIntentHandler = {
canHandle(handlerInput) {
return (
handlerInput.requestEnvelope.request.type === "IntentRequest" &&
handlerInput.requestEnvelope.request.intent.name === "getSuggestion"
);
},
handle(handlerInput) {
let intent = handlerInput.requestEnvelope.request.intent;
let city = intent.slot.city.value;
let suggestion = getSuggestion(skillData,'city', city.toUpperCase()).suggestion;
return handlerInput.responseBuilder
.speak(suggestion)
.reprompt('prompt')
.getResponse();
}
};
const HelpIntentHandler = {
canHandle(handlerInput) {
return (
handlerInput.requestEnvelope.request.type === "IntentRequest" &&
handlerInput.requestEnvelope.request.intent.name === "AMAZON.HelpIntent"
);
},
handle(handlerInput) {
const speechText = "Try saying a city name like Austin, San Antonio, or Dallas";
const promptText = "How can I help?";
return handlerInput.responseBuilder
.speak(speechText)
.reprompt(promptText)
// .withSimpleCard("City Details", speechText)
.getResponse();
}
};
const CancelAndStopIntentHandler = {
canHandle(handlerInput) {
return (
handlerInput.requestEnvelope.request.type === "IntentRequest" &&
(handlerInput.requestEnvelope.request.intent.name ===
"AMAZON.CancelIntent" ||
handlerInput.requestEnvelope.request.intent.name ===
"AMAZON.StopIntent" ||
handlerInput.requestEnvelope.request.intent.name ===
"AMAZON.PauseIntent")
);
},
handle(handlerInput) {
const speechText = `Seeya later!`;
return (
handlerInput.responseBuilder
.speak(speechText)
.withShouldEndSession(true)
.getResponse()
);
}
};
const SessionEndedRequestHandler = {
canHandle(handlerInput) {
return handlerInput.requestEnvelope.request.type === 'SessionEndedRequest';
},
handle(handlerInput) {
console.log(`Session ended with reason: ${handlerInput.requestEnvelope.request.reason}`);
return handlerInput.responseBuilder.getResponse();
},
};
const ErrorHandler = {
canHandle() {
return true;
},
handle(handlerInput, error) {
console.log(`Error handled: ${error.message}`);
return handlerInput.responseBuilder
.speak('Sorry, I can\'t understand the command. Try saying a city name like Austin, San Antonio, or Dallas')
.reprompt('Try saying a city name like Austin, San Antonio, or Dallas')
.getResponse();
},
};
const SystemExceptionHandler = {
canHandle(handlerInput) {
return (
handlerInput.requestEnvelope.request.type ===
"System.ExceptionEncountered"
);
},
handle(handlerInput) {
console.log(
`System exception encountered: ${
handlerInput.requestEnvelope.request.reason
}`
);
}
};
const skillBuilder = Alexa.SkillBuilders.custom();
exports.handler = skillBuilder
.addRequestHandlers(
LaunchRequestHandler,
GetSuggestionIntentHandler,
CancelAndStopIntentHandler,
HelpIntentHandler,
SystemExceptionHandler,
SessionEndedRequestHandler
)
.addErrorHandlers(ErrorHandler)
.lambda();
function getSuggestion(arr, propName, cityName) {
for (var i=0; i < arr.length; i++) {
var prop = arr[i][propName];
prop = prop.toUpperCase();
if (prop == cityName) {
return arr[i];
}
}
}
这是我在开发者门户中的交互模型：
{
"interactionModel": {
"languageModel": {
"invocationName": "city picker",
"intents": [
{
"name": "AMAZON.FallbackIntent",
"samples": []
},
{
"name": "AMAZON.CancelIntent",
"samples": []
},
{
"name": "AMAZON.HelpIntent",
"samples": []
},
{
"name": "AMAZON.StopIntent",
"samples": [
"stop"
]
},
{
"name": "AMAZON.NavigateHomeIntent",
"samples": []
},
{
"name": "getSuggestion",
"slots": [
{
"name": "city",
"type": "CITY_NAMES"
}
],
"samples": [
"{city}"
]
}
],
"types": [
{
"name": "CITY_NAMES",
"values": [
{
"name": {
"value": "dallas"
}
},
{
"name": {
"value": "san antonio"
}
},
{
"name": {
"value": "austin"
}
}
]
}
]
}
}
}
好的。 alexa-sdk 已被弃用 link。要获取新的 SDK，请执行此操作。
1 - 在 Lambda 中创建一个新函数。
2 - 选择 AWS Serverless Application Repository。
3 - 选择 alexa-skills-kit-nodejs-factskill。
4 - 单击部署。部署后，单击函数，您应该会看到刚刚创建的新函数，其名称类似于 aws-serverless-repository-alexaskillskitnodejsfact-NR8HPILH8WNI。
5 - 删除代码并用此替换代码。
const Alexa = require('ask-sdk');
const skillData = [
{
city: 'Austin',
suggestion: "Austin is blahblahblahblahlshflashdfasldfha blah."
},
{
city: 'San Antonio',
suggestion: "San Antonio has blahblahblahblahlshflashdfasldfha blah."
},
{
city: 'Dallas',
suggestion: "The Dallas metroplex is one of the hottest blahblahblahbla blahblahblahblahblahblah."
}
];
const LaunchRequestHandler = {
canHandle(handlerInput) {
return handlerInput.requestEnvelope.request.type === "LaunchRequest";
},
handle(handlerInput) {
console.log("LaunchRequestHandler");
let speechText = 'Tell me the name of the major city you are closest to!';
let prompt = 'Which major city are you closest to?';
return handlerInput.responseBuilder
.speak(speechText)
.reprompt(prompt)
.getResponse();
}
};
const GetSuggestionIntentHandler = {
canHandle(handlerInput) {
return (
handlerInput.requestEnvelope.request.type === "IntentRequest" &&
handlerInput.requestEnvelope.request.intent.name === "getSuggestion"
);
},
handle(handlerInput) {
let intent = handlerInput.requestEnvelope.request.intent;
let city = intent.slots.city.value;
let suggestion = getSuggestion(skillData,'city', city.toUpperCase()).suggestion;
return handlerInput.responseBuilder
.speak(suggestion)
.reprompt('prompt')
.getResponse();
}
};
const HelpIntentHandler = {
canHandle(handlerInput) {
return (
handlerInput.requestEnvelope.request.type === "IntentRequest" &&
handlerInput.requestEnvelope.request.intent.name === "AMAZON.HelpIntent"
);
},
handle(handlerInput) {
const speechText = "Try saying a city name like Austin, San Antonio, or Dallas";
const promptText = "How can I help?";
return handlerInput.responseBuilder
.speak(speechText)
.reprompt(promptText)
// .withSimpleCard("City Details", speechText)
.getResponse();
}
};
const CancelAndStopIntentHandler = {
canHandle(handlerInput) {
return (
handlerInput.requestEnvelope.request.type === "IntentRequest" &&
(handlerInput.requestEnvelope.request.intent.name ===
"AMAZON.CancelIntent" ||
handlerInput.requestEnvelope.request.intent.name ===
"AMAZON.StopIntent" ||
handlerInput.requestEnvelope.request.intent.name ===
"AMAZON.PauseIntent")
);
},
handle(handlerInput) {
const speechText = `Goodbye`;
return (
handlerInput.responseBuilder
.speak(speechText)
.withShouldEndSession(true)
.getResponse()
);
}
};
const SessionEndedRequestHandler = {
canHandle(handlerInput) {
return handlerInput.requestEnvelope.request.type === 'SessionEndedRequest';
},
handle(handlerInput) {
console.log(`Session ended with reason: ${handlerInput.requestEnvelope.request.reason}`);
return handlerInput.responseBuilder.getResponse();
},
};
const ErrorHandler = {
canHandle() {
return true;
},
handle(handlerInput, error) {
console.log(`Error handled: ${error.message}`);
return handlerInput.responseBuilder
.speak('Sorry, I can\'t understand the command. Try saying a city name like Austin, San Antonio, or Dallas')
.reprompt('Try saying a city name like Austin, San Antonio, or Dallas')
.getResponse();
},
};
const SystemExceptionHandler = {
canHandle(handlerInput) {
return (
handlerInput.requestEnvelope.request.type ===
"System.ExceptionEncountered"
);
},
handle(handlerInput) {
console.log(
`System exception encountered: ${
handlerInput.requestEnvelope.request.reason
}`
);
}
};
const skillBuilder = Alexa.SkillBuilders.custom();
exports.handler = skillBuilder
.addRequestHandlers(
LaunchRequestHandler,
GetSuggestionIntentHandler,
CancelAndStopIntentHandler,
HelpIntentHandler,
SystemExceptionHandler,
SessionEndedRequestHandler
)
.addErrorHandlers(ErrorHandler)
.lambda();
function getSuggestion(arr, propName, cityName) {
for (var i=0; i < arr.length; i++) {
var prop = arr[i][propName];
prop = prop.toUpperCase();
if (prop == cityName) {
return arr[i];
}
}
}
6 - 转到 developer.amazon.com 并将您的 Alexa Skill 端点更改为新的 lambda ARN。
添加插槽类型：
像这样在示例短语中指定插槽：
将您的插槽名称更改为城市：
因此，而不是 musicStations 它将是城市。确保您在广告位值中输入了三个值，如下所示：
将您的自定义槽值添加到 CITY_NAMES:
如果你做对了，你的交互模型应该是这样的：
"name": "getSuggestion",
"slots": [
{
"name": "city",
"type": "CITY_NAMES"
}
],
"samples": [
"city name is {city}",
"{city}"
]
测试 Lambda 代码
在下拉菜单中，选择 'configure test events'。
使用 JSON 从您的开发人员测试门户创建新的测试事件，应该如下所示。
{
"version": "1.0",
"session": {
"new": true,
"sessionId": "amzn1.echo-api.session.XXXXXX",
"application": {
"applicationId": "amzn1.ask.skill.XXXXXX"
},
"user": {
"userId": "amzn1.ask.account.XXXXXX"
}
},
"context": {
"AudioPlayer": {
"playerActivity": "IDLE"
},
"System": {
"application": {
"applicationId": "amzn1.ask.skill.XXXXXX"
},
"user": {
"userId": "amzn1.ask.account.XXXXXX"
},
"device": {
"deviceId": "amzn1.ask.device.XXXXXX",
"supportedInterfaces": {
"AudioPlayer": {}
}
},
"apiEndpoint": "https://api.eu.amazonalexa.com",
"apiAccessToken": "ACCESS_TOKEN"
},
},
"request": {
"type": "IntentRequest",
"requestId": "amzn1.echo-api.request.XXXX",
"timestamp": "2018-12-03T20:28:29Z",
"locale": "en-IN",
"intent": {
"name": "PlayRadioIntent",
"confirmationStatus": "NONE",
"slots": {
"musicStation": {
"name": "musicStation",
"value": "classic rock",
"resolutions": {
"resolutionsPerAuthority": [
{
"authority": "amzn1.er-authority.XXXX.RadioStations",
"status": {
"code": "ER_SUCCESS_MATCH"
},
"values": [
{
"value": {
"name": "Classic Rock",
"id": "b8a5bd97a8a02691f9f81dcfb12184dd"
}
}
]
}
]
},
"confirmationStatus": "NONE",
"source": "USER"
}
}
}
}
点击测试按钮
检查日志
测试结果是这样的吗？要查看日志，请单击 logs。它可能有其他错误详细信息。
当我尝试测试我的基本技能（我正在尝试学习如何创建它们）时，我总是遇到错误。 这是日志中的错误：
2018-11-21T16:10:55.759Z 06a36441-eda8-11e8-a421-f996bf66c592 Unexpected exception 'TypeError: Cannot read property 'value' of undefined':
TypeError: Cannot read property 'value' of undefined at Object.getSuggestion (/var/task/index.js:31:54) at emitNone (events.js:86:13) at AlexaRequestEmitter.emit (events.js:185:7) at AlexaRequestEmitter.EmitEvent (/var/task/node_modules/alexa-sdk/lib/alexa.js:216:10) at AlexaRequestEmitter.ValidateRequest (/var/task/node_modules/alexa-sdk/lib/alexa.js:181:23) at AlexaRequestEmitter.HandleLambdaEvent (/var/task/node_modules/alexa-sdk/lib/alexa.js:126:25) at AlexaRequestEmitter.value (/var/task/node_modules/alexa-sdk/lib/alexa.js:100:31)
at exports.handler (/var/task/index.js:52:9)
我该如何解决这个问题？
这是我的代码：
var Alexa = require('alexa-sdk');
const APP_ID = 'amzn1.ask.skill.ab07421a-0a92-4c2b-b3bd-998e14286xxx';
const skillData = [
{
city: "Austin",
suggestion: "Austin has some of the most outstanding people."
},
{
city: "San Antonio",
suggestion: "San Antonio has some of the most outstanding people."
},
{
city: "Dallas",
suggestion: "The Dallas metroplex is one of the hottest places."
}
];
var number = 0;
while(number<3){
var handlers = {
'LaunchRequest': function () {
this.emit(':ask', 'Tell me the name of the major city you are closest to'
},
'Unhandled': function () {
this.emit(':ask', 'Try saying a city name like Austin, San Antonio, or Dallas');
},
'getSuggestion': function() {
var city = this.event.request.intent.slots.City.value;
this.emit(':ask', getSuggestion(skillData,'city', city.toUpperCase()).suggestion + '. Give me another city and I\'ll hook you up with the best peeps.');
},
'AMAZON.HelpIntent': function () {
this.emit(':ask', "What can I help you with?", "How can I help?");
},
'AMAZON.CancelIntent': function () {
this.emit(':tell', "Okay!");
},
'AMAZON.StopIntent': function () {
this.emit(':tell', "Goodbye!");
},
};
number = number+1;
}
exports.handler = function(event, context, callback){
var alexa = Alexa.handler(event, context);
alexa.appId = APP_ID;
alexa.registerHandlers(handlers);
alexa.execute();
};
function getSuggestion(arr, propName, cityName) {
for (var i=0; i < arr.length; i++) {
if (arr[i][propName] == cityName) {
return arr[i];
}
}
}
更新
我已经按照下面的建议进行了一些更改，但是，在初始响应后我仍然收到错误消息。
"errorMessage": "Cannot read property 'city' of undefined"
请查看我的新代码并帮助我解决这个问题：
var Alexa = require('alexa-sdk');
const APP_ID = 'amzn1.ask.skill.ab07421a-0a92-4c2b-b3bd-998e14286xxx';
const skillData = [
{
city: 'Austin',
suggestion: "Austin is blahblahblahblahlshflashdfasldfha blah."
},
{
city: 'San Antonio',
suggestion: "San Antonio has blahblahblahblahlshflashdfasldfha blah."
},
{
city: 'Dallas',
suggestion: "The Dallas metroplex is one of the hottest blahblahblahbla blahblahblahblahblahblah."
}
];
var number = 0;
while(number<3){
var handlers = {
'LaunchRequest': function () {
this.emit(':ask', 'Tell me the name of the major city you are closest to!', 'Which major city are you closest to?');
},
'Unhandled': function () {
this.emit(':ask', "Try saying a city name like Austin, San Antonio, or Dallas");
},
'getSuggestion': function() {
var city = this.event.request.intent.slots.city.value;
this.emit(':ask', getSuggestion(skillData,'city', city.toUpperCase()).suggestion + '. Give me another city and I\'ll hook you up with the best peeps.');
},
'AMAZON.HelpIntent': function () {
this.emit(':ask', "What can I help you with?", "How can I help?");
},
'AMAZON.CancelIntent': function () {
this.emit(':tell', "Okay!");
},
'AMAZON.StopIntent': function () {
this.emit(':tell', "Goodbye!");
},
};
number = number+1;
}
exports.handler = function(event, context, callback){
var alexa = Alexa.handler(event, context);
alexa.appId = APP_ID;
alexa.registerHandlers(handlers);
alexa.execute();
};
function getSuggestion(arr, propName, cityName) {
for (var i=0; i < arr.length; i++) {
var prop = arr[i][propName];
prop = prop.toUpperCase();
if (prop == cityName) {
return arr[i];
}
}
}
更新#2
在尝试了很多不同的东西之后，在 bal simpson 的帮助下，我掌握了 运行 的技能！
但是，当用户说出城市名称时，该技能仍然会出错。我的交互模型一定有错误，如下所示：
{
"interactionModel": {
"languageModel": {
"invocationName": "city picker",
"intents": [
{
"name": "AMAZON.FallbackIntent",
"samples": []
},
{
"name": "AMAZON.CancelIntent",
"samples": []
},
{
"name": "AMAZON.HelpIntent",
"samples": []
},
{
"name": "AMAZON.StopIntent",
"samples": [
"stop"
]
},
{
"name": "AMAZON.NavigateHomeIntent",
"samples": []
},
{
"name": "getSuggestion",
"slots": [],
"samples": [
"san antonio",
"dallas",
"austin"
]
}
],
"types": []
}
}
}
接近！！
作为最后的努力：
这是我在 Lambda 中的 index.js。有人介意看看这个吗？
const LaunchRequestHandler = {
canHandle(handlerInput) {
return handlerInput.requestEnvelope.request.type === "LaunchRequest";
},
handle(handlerInput) {
console.log("LaunchRequestHandler");
let speechText = 'Lets get you into your new home. Tell me the name of the major city you are closest to!';
let prompt = 'Which major city are you closest to?';
return handlerInput.responseBuilder
.speak(speechText)
.reprompt(prompt)
.getResponse();
}
};
const GetSuggestionIntentHandler = {
canHandle(handlerInput) {
return (
handlerInput.requestEnvelope.request.type === "IntentRequest" &&
handlerInput.requestEnvelope.request.intent.name === "getSuggestion"
);
},
handle(handlerInput) {
let intent = handlerInput.requestEnvelope.request.intent;
let city = intent.slot.city.value;
let suggestion = getSuggestion(skillData,'city', city.toUpperCase()).suggestion;
return handlerInput.responseBuilder
.speak(suggestion)
.reprompt('prompt')
.getResponse();
}
};
const HelpIntentHandler = {
canHandle(handlerInput) {
return (
handlerInput.requestEnvelope.request.type === "IntentRequest" &&
handlerInput.requestEnvelope.request.intent.name === "AMAZON.HelpIntent"
);
},
handle(handlerInput) {
const speechText = "Try saying a city name like Austin, San Antonio, or Dallas";
const promptText = "How can I help?";
return handlerInput.responseBuilder
.speak(speechText)
.reprompt(promptText)
// .withSimpleCard("City Details", speechText)
.getResponse();
}
};
const CancelAndStopIntentHandler = {
canHandle(handlerInput) {
return (
handlerInput.requestEnvelope.request.type === "IntentRequest" &&
(handlerInput.requestEnvelope.request.intent.name ===
"AMAZON.CancelIntent" ||
handlerInput.requestEnvelope.request.intent.name ===
"AMAZON.StopIntent" ||
handlerInput.requestEnvelope.request.intent.name ===
"AMAZON.PauseIntent")
);
},
handle(handlerInput) {
const speechText = `Seeya later!`;
return (
handlerInput.responseBuilder
.speak(speechText)
.withShouldEndSession(true)
.getResponse()
);
}
};
const SessionEndedRequestHandler = {
canHandle(handlerInput) {
return handlerInput.requestEnvelope.request.type === 'SessionEndedRequest';
},
handle(handlerInput) {
console.log(`Session ended with reason: ${handlerInput.requestEnvelope.request.reason}`);
return handlerInput.responseBuilder.getResponse();
},
};
const ErrorHandler = {
canHandle() {
return true;
},
handle(handlerInput, error) {
console.log(`Error handled: ${error.message}`);
return handlerInput.responseBuilder
.speak('Sorry, I can\'t understand the command. Try saying a city name like Austin, San Antonio, or Dallas')
.reprompt('Try saying a city name like Austin, San Antonio, or Dallas')
.getResponse();
},
};
const SystemExceptionHandler = {
canHandle(handlerInput) {
return (
handlerInput.requestEnvelope.request.type ===
"System.ExceptionEncountered"
);
},
handle(handlerInput) {
console.log(
`System exception encountered: ${
handlerInput.requestEnvelope.request.reason
}`
);
}
};
const skillBuilder = Alexa.SkillBuilders.custom();
exports.handler = skillBuilder
.addRequestHandlers(
LaunchRequestHandler,
GetSuggestionIntentHandler,
CancelAndStopIntentHandler,
HelpIntentHandler,
SystemExceptionHandler,
SessionEndedRequestHandler
)
.addErrorHandlers(ErrorHandler)
.lambda();
function getSuggestion(arr, propName, cityName) {
for (var i=0; i < arr.length; i++) {
var prop = arr[i][propName];
prop = prop.toUpperCase();
if (prop == cityName) {
return arr[i];
}
}
}
这是我在开发者门户中的交互模型：
{
"interactionModel": {
"languageModel": {
"invocationName": "city picker",
"intents": [
{
"name": "AMAZON.FallbackIntent",
"samples": []
},
{
"name": "AMAZON.CancelIntent",
"samples": []
},
{
"name": "AMAZON.HelpIntent",
"samples": []
},
{
"name": "AMAZON.StopIntent",
"samples": [
"stop"
]
},
{
"name": "AMAZON.NavigateHomeIntent",
"samples": []
},
{
"name": "getSuggestion",
"slots": [
{
"name": "city",
"type": "CITY_NAMES"
}
],
"samples": [
"{city}"
]
}
],
"types": [
{
"name": "CITY_NAMES",
"values": [
{
"name": {
"value": "dallas"
}
},
{
"name": {
"value": "san antonio"
}
},
{
"name": {
"value": "austin"
}
}
]
}
]
}
}
}
好的。 alexa-sdk 已被弃用 link。要获取新的 SDK，请执行此操作。
1 - 在 Lambda 中创建一个新函数。
2 - 选择 AWS Serverless Application Repository。
3 - 选择 alexa-skills-kit-nodejs-factskill。
4 - 单击部署。部署后，单击函数，您应该会看到刚刚创建的新函数，其名称类似于 aws-serverless-repository-alexaskillskitnodejsfact-NR8HPILH8WNI。
5 - 删除代码并用此替换代码。
const Alexa = require('ask-sdk');
const skillData = [
{
city: 'Austin',
suggestion: "Austin is blahblahblahblahlshflashdfasldfha blah."
},
{
city: 'San Antonio',
suggestion: "San Antonio has blahblahblahblahlshflashdfasldfha blah."
},
{
city: 'Dallas',
suggestion: "The Dallas metroplex is one of the hottest blahblahblahbla blahblahblahblahblahblah."
}
];
const LaunchRequestHandler = {
canHandle(handlerInput) {
return handlerInput.requestEnvelope.request.type === "LaunchRequest";
},
handle(handlerInput) {
console.log("LaunchRequestHandler");
let speechText = 'Tell me the name of the major city you are closest to!';
let prompt = 'Which major city are you closest to?';
return handlerInput.responseBuilder
.speak(speechText)
.reprompt(prompt)
.getResponse();
}
};
const GetSuggestionIntentHandler = {
canHandle(handlerInput) {
return (
handlerInput.requestEnvelope.request.type === "IntentRequest" &&
handlerInput.requestEnvelope.request.intent.name === "getSuggestion"
);
},
handle(handlerInput) {
let intent = handlerInput.requestEnvelope.request.intent;
let city = intent.slots.city.value;
let suggestion = getSuggestion(skillData,'city', city.toUpperCase()).suggestion;
return handlerInput.responseBuilder
.speak(suggestion)
.reprompt('prompt')
.getResponse();
}
};
const HelpIntentHandler = {
canHandle(handlerInput) {
return (
handlerInput.requestEnvelope.request.type === "IntentRequest" &&
handlerInput.requestEnvelope.request.intent.name === "AMAZON.HelpIntent"
);
},
handle(handlerInput) {
const speechText = "Try saying a city name like Austin, San Antonio, or Dallas";
const promptText = "How can I help?";
return handlerInput.responseBuilder
.speak(speechText)
.reprompt(promptText)
// .withSimpleCard("City Details", speechText)
.getResponse();
}
};
const CancelAndStopIntentHandler = {
canHandle(handlerInput) {
return (
handlerInput.requestEnvelope.request.type === "IntentRequest" &&
(handlerInput.requestEnvelope.request.intent.name ===
"AMAZON.CancelIntent" ||
handlerInput.requestEnvelope.request.intent.name ===
"AMAZON.StopIntent" ||
handlerInput.requestEnvelope.request.intent.name ===
"AMAZON.PauseIntent")
);
},
handle(handlerInput) {
const speechText = `Goodbye`;
return (
handlerInput.responseBuilder
.speak(speechText)
.withShouldEndSession(true)
.getResponse()
);
}
};
const SessionEndedRequestHandler = {
canHandle(handlerInput) {
return handlerInput.requestEnvelope.request.type === 'SessionEndedRequest';
},
handle(handlerInput) {
console.log(`Session ended with reason: ${handlerInput.requestEnvelope.request.reason}`);
return handlerInput.responseBuilder.getResponse();
},
};
const ErrorHandler = {
canHandle() {
return true;
},
handle(handlerInput, error) {
console.log(`Error handled: ${error.message}`);
return handlerInput.responseBuilder
.speak('Sorry, I can\'t understand the command. Try saying a city name like Austin, San Antonio, or Dallas')
.reprompt('Try saying a city name like Austin, San Antonio, or Dallas')
.getResponse();
},
};
const SystemExceptionHandler = {
canHandle(handlerInput) {
return (
handlerInput.requestEnvelope.request.type ===
"System.ExceptionEncountered"
);
},
handle(handlerInput) {
console.log(
`System exception encountered: ${
handlerInput.requestEnvelope.request.reason
}`
);
}
};
const skillBuilder = Alexa.SkillBuilders.custom();
exports.handler = skillBuilder
.addRequestHandlers(
LaunchRequestHandler,
GetSuggestionIntentHandler,
CancelAndStopIntentHandler,
HelpIntentHandler,
SystemExceptionHandler,
SessionEndedRequestHandler
)
.addErrorHandlers(ErrorHandler)
.lambda();
function getSuggestion(arr, propName, cityName) {
for (var i=0; i < arr.length; i++) {
var prop = arr[i][propName];
prop = prop.toUpperCase();
if (prop == cityName) {
return arr[i];
}
}
}
6 - 转到 developer.amazon.com 并将您的 Alexa Skill 端点更改为新的 lambda ARN。
添加插槽类型：
像这样在示例短语中指定插槽：
将您的插槽名称更改为城市：
因此，而不是 musicStations 它将是城市。确保您在广告位值中输入了三个值，如下所示：
将您的自定义槽值添加到 CITY_NAMES:
如果你做对了，你的交互模型应该是这样的：
"name": "getSuggestion",
"slots": [
{
"name": "city",
"type": "CITY_NAMES"
}
],
"samples": [
"city name is {city}",
"{city}"
]
测试 Lambda 代码
在下拉菜单中，选择 'configure test events'。
使用 JSON 从您的开发人员测试门户创建新的测试事件，应该如下所示。
{
"version": "1.0",
"session": {
"new": true,
"sessionId": "amzn1.echo-api.session.XXXXXX",
"application": {
"applicationId": "amzn1.ask.skill.XXXXXX"
},
"user": {
"userId": "amzn1.ask.account.XXXXXX"
}
},
"context": {
"AudioPlayer": {
"playerActivity": "IDLE"
},
"System": {
"application": {
"applicationId": "amzn1.ask.skill.XXXXXX"
},
"user": {
"userId": "amzn1.ask.account.XXXXXX"
},
"device": {
"deviceId": "amzn1.ask.device.XXXXXX",
"supportedInterfaces": {
"AudioPlayer": {}
}
},
"apiEndpoint": "https://api.eu.amazonalexa.com",
"apiAccessToken": "ACCESS_TOKEN"
},
},
"request": {
"type": "IntentRequest",
"requestId": "amzn1.echo-api.request.XXXX",
"timestamp": "2018-12-03T20:28:29Z",
"locale": "en-IN",
"intent": {
"name": "PlayRadioIntent",
"confirmationStatus": "NONE",
"slots": {
"musicStation": {
"name": "musicStation",
"value": "classic rock",
"resolutions": {
"resolutionsPerAuthority": [
{
"authority": "amzn1.er-authority.XXXX.RadioStations",
"status": {
"code": "ER_SUCCESS_MATCH"
},
"values": [
{
"value": {
"name": "Classic Rock",
"id": "b8a5bd97a8a02691f9f81dcfb12184dd"
}
}
]
}
]
},
"confirmationStatus": "NONE",
"source": "USER"
}
}
}
}
点击测试按钮
检查日志
测试结果是这样的吗？要查看日志，请单击 logs。它可能有其他错误详细信息。