【发布时间】:2018-03-23 08:49:30
【问题描述】:
我正在尝试执行 API.AI 教程,为 Google 助理构建天气机器人(此处为:https://dialogflow.com/docs/getting-started/basic-fulfillment-conversation)
我成功地完成了一切,在 API 中创建了机器人,创建了 Fulfillments,在我的电脑上安装了 NodeJS,连接了 Google Cloud Platform,等等。
然后我创建了 index.js 文件,方法是使用我从世界天气组织(见下文)获得的 API 密钥完全按照 API.ai 教程中的说明复制它。
但是当我使用机器人时,它不起作用。在 Google Cloud Platform 上,错误总是一样的:
错误:getaddrinfo ENOTFOUND api.worldweatheronline.com api.worldweatheronline.com:80
at errnoException (dns.js:28) at GetAddrInfoReqWrap.onlookup (dns.js:76)
无论我多久执行一次,我都会遇到同样的错误。所以我实际上并没有接触到 API。我试图查看 WWO 方面是否有任何变化(URL 等),但显然没有。我更新了 NodeJS 仍然是同样的问题。我完全刷新了 Google Cloud 平台,但没有帮助。
那个我真的无法调试。有人可以帮忙吗?
这是来自 API.ai 的代码:
'use strict';
const http = require('http');
const host = 'api.worldweatheronline.com';
const wwoApiKey = '[YOUR_API_KEY]';
exports.weatherWebhook = (req, res) => {
// Get the city and date from the request
let city = req.body.result.parameters['geo-city']; // city is a required param
// Get the date for the weather forecast (if present)
let date = '';
if (req.body.result.parameters['date']) {
date = req.body.result.parameters['date'];
console.log('Date: ' + date);
}
// Call the weather API
callWeatherApi(city, date).then((output) => {
// Return the results of the weather API to Dialogflow
res.setHeader('Content-Type', 'application/json');
res.send(JSON.stringify({ 'speech': output, 'displayText': output }));
}).catch((error) => {
// If there is an error let the user know
res.setHeader('Content-Type', 'application/json');
res.send(JSON.stringify({ 'speech': error, 'displayText': error }));
});
};
function callWeatherApi (city, date) {
return new Promise((resolve, reject) => {
// Create the path for the HTTP request to get the weather
let path = '/premium/v1/weather.ashx?format=json&num_of_days=1' +
'&q=' + encodeURIComponent(city) + '&key=' + wwoApiKey + '&date=' + date;
console.log('API Request: ' + host + path);
// Make the HTTP request to get the weather
http.get({host: host, path: path}, (res) => {
let body = ''; // var to store the response chunks
res.on('data', (d) => { body += d; }); // store each response chunk
res.on('end', () => {
// After all the data has been received parse the JSON for desired data
let response = JSON.parse(body);
let forecast = response['data']['weather'][0];
let location = response['data']['request'][0];
let conditions = response['data']['current_condition'][0];
let currentConditions = conditions['weatherDesc'][0]['value'];
// Create response
let output = `Current conditions in the ${location['type']}
${location['query']} are ${currentConditions} with a projected high of
${forecast['maxtempC']}°C or ${forecast['maxtempF']}°F and a low of
${forecast['mintempC']}°C or ${forecast['mintempF']}°F on
${forecast['date']}.`;
// Resolve the promise with the output text
console.log(output);
resolve(output);
});
res.on('error', (error) => {
reject(error);
});
});
});
}
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