#node.js #typescript #express #axios #openweathermap
#node.js #typescript #экспресс #аксиос #openweathermap
Вопрос:
У меня возникли проблемы с подключением к openweathermaps API в моем приложении express,
app.get("/", cors(), async (req, res) => {
const lat: number = req.query.lat;
const lon: number = req.query.lon;
if (lat amp;amp; lon) {
const entry = cach.filter(e => e.lat === lat amp;amp; e.lon === lon);
if (entry.some(e => (Date.now() - e.last_updated < 36000000))) {
res.json(entry[0]);
} else { // no entry found
res.json(await getWeather(lat, lon));
}
}
res.send("no location specified")
});
app.listen(PORT, function () {
console.log(`App is listening on port ${PORT}`); //5000 by default
});
для извлечения данных я использую axios:
async function getWeather(lat: number, lon: number) {
try {
const res = await axios({
url:`http:api.openweathermap.org/data/2.5/weather?lat=${lat}amp;lon=${lon}amp;appid=${process.env.WAPI}`,
method:"GET"
});
const data = res.data;
...
catch (error){
console.log(error)
}
но ответ, который я получаю,:
Приложение прослушивает порт 5000 в ср. 09 дек. 2020 г. 15:22:21 GMT 0100 (по центральноевропейскому стандартному времени): http://localhost:5000/?lat=65.58415amp;lon=22.15465 : ПОЛУЧИТЬ запрос
Ошибка: подключение ECONNREFUSED 127.0.0.1:80> в TCPConnectWrap.afterConnect [как завершенное] (узел: сеть: 1133:16)
{
errno: -111,
code: 'ECONNREFUSED',
syscall: 'connect',
address: '127.0.0.1',
port: 80,
config: {
url: 'http:api.openweathermap.org/data/2.5/weather?lat=65.58415amp;lon=22.15465amp;appid=--apiket--',
method: 'get',
headers: {
Accept: 'application/json, text/plain, */*',
'User-Agent': 'axios/0.21.0'
},
transformRequest: [ [Function: transformRequest] ],
transformResponse: [ [Function: transformResponse] ],
timeout: 0,
adapter: [Function: httpAdapter],
xsrfCookieName: 'XSRF-TOKEN',
xsrfHeaderName: 'X-XSRF-TOKEN',
maxContentLength: -1,
maxBodyLength: -1,
validateStatus: [Function: validateStatus],
data: undefined
},
request: <ref *1> Writable {
_writableState: WritableState {
objectMode: false,
highWaterMark: 16384,
finalCalled: false,
needDrain: false,
ending: false,
ended: false,
finished: false,
destroyed: false,
decodeStrings: true,
defaultEncoding: 'utf8',
length: 0,
writing: false,
corked: 0,
sync: true,
bufferProcessing: false,
onwrite: [Function: bound onwrite],
writecb: null,
writelen: 0,
afterWriteTickInfo: null,
buffered: [],
bufferedIndex: 0,
allBuffers: true,
allNoop: true,
pendingcb: 0,
constructed: true,
prefinished: false,
errorEmitted: false,
emitClose: true,
autoDestroy: true,
errored: null,
closed: false,
closeEmitted: false,
[Symbol(kOnFinished)]: []
},
_events: [Object: null prototype] {
response: [Function: handleResponse],
error: [Function: handleRequestError]
},
_eventsCount: 2,
_maxListeners: undefined,
_options: {
maxRedirects: 21,
maxBodyLength: 10485760,
protocol: 'http:',
path: 'api.openweathermap.org/data/2.5/weather?lat=65.58415amp;lon=22.15465amp;appid=--apikey--',
method: 'GET',
headers: [Object],
agent: undefined,
agents: [Object],
auth: undefined,
hostname: null,
port: null,
nativeProtocols: [Object],
pathname: 'api.openweathermap.org/data/2.5/weather',
search: '?lat=65.58415amp;lon=22.15465amp;appid=--apikey--'
},
_ended: true,
_ending: true,
_redirectCount: 0,
_redirects: [],
_requestBodyLength: 0,
_requestBodyBuffers: [],
_onNativeResponse: [Function (anonymous)],
_currentRequest: ClientRequest {
_events: [Object: null prototype],
_eventsCount: 7,
_maxListeners: undefined,
outputData: [],
outputSize: 0,
writable: true,
destroyed: false,
_last: true,
chunkedEncoding: false,
shouldKeepAlive: false,
_defaultKeepAlive: true,
useChunkedEncodingByDefault: false,
sendDate: false,
_removedConnection: false,
_removedContLen: false,
_removedTE: false,
_contentLength: 0,
_hasBody: true,
_trailer: '',
finished: true,
_headerSent: true,
_closed: false,
socket: [Socket],
_header: 'GET api.openweathermap.org/data/2.5/weather?lat=65.58415amp;lon=22.15465amp;appid=--apikey-- HTTP/1.1rn'
'Accept: application/json, text/plain, */*rn'
'User-Agent: axios/0.21.0rn'
'Host: localhostrn'
'Connection: closern'
'rn',
_keepAliveTimeout: 0,
_onPendingData: [Function: noopPendingOutput],
agent: [Agent],
socketPath: undefined,
method: 'GET',
maxHeaderSize: undefined,
insecureHTTPParser: undefined,
path: 'api.openweathermap.org/data/2.5/weather?lat=65.58415amp;lon=22.15465amp;appid=--apikey--',
_ended: false,
res: null,
aborted: false,
timeoutCb: null,
upgradeOrConnect: false,
parser: null,
maxHeadersCount: null,
reusedSocket: false,
host: 'localhost',
protocol: 'http:',
_redirectable: [Circular *1],
[Symbol(kCapture)]: false,
[Symbol(kNeedDrain)]: false,
[Symbol(corked)]: 0,
[Symbol(kOutHeaders)]: [Object: null prototype]
},
_currentUrl: 'http:api.openweathermap.org/data/2.5/weather?lat=65.58415amp;lon=22.15465amp;appid=--apikey--',
[Symbol(kCapture)]: false
},
response: undefined,
isAxiosError: true,
toJSON: [Function: toJSON]
}
node:internal/process/promises:225
triggerUncaughtException(err, true /* fromPromise */);
^
Error [ERR_HTTP_HEADERS_SENT]: Cannot set headers after they are sent to the client
at new NodeError (node:internal/errors:278:15)
at ServerResponse.setHeader (node:_http_outgoing:563:11)
at ServerResponse.header (/home/johanrh/Documents/Git/M7011E_AJ/node_modules/express/lib/response.js:771:10)
at ServerResponse.send (/home/johanrh/Documents/Git/M7011E_AJ/node_modules/express/lib/response.js:170:12)
at /home/johanrh/Documents/Git/M7011E_AJ/build/src/Weather-Module/index.js:32:9
at processTicksAndRejections (node:internal/process/task_queues:93:5) {
code: 'ERR_HTTP_HEADERS_SENT'
}
указанный URL-адрес при вводе в браузер не вызывает проблем, у кого-нибудь есть какие-нибудь идеи?
Комментарии:
1. Привет, вы должны исправить свой URL с
http:api...
наhttp://api...
(рассмотрите возможность использования https). Я думаю, что из-за этого axios интерпретирует ваш URL-адрес как относительный и пытается найти его локально там, где он не существует2. Боже мой, я это полностью пропустил, Спасибо!