37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
const https = require('https');
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/**
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* 获取指定城市的天气信息
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* @param {string} city - 城市名
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* @param {string} params - wttr.in的查询参数
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* @returns {Promise<string>} 天气信息
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*/
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function getWeather(city = 'Shanghai', params = 'format=3') {
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return new Promise((resolve, reject) => {
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const timeout = setTimeout(() => {
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reject(new Error('Request timed out'));
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}, 5000); // 设置5秒的请求超时
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https.get(`https://wttr.in/${encodeURIComponent(city)}?${params}`, (resp) => {
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let data = '';
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// A chunk of data has been received.
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resp.on('data', (chunk) => {
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data += chunk;
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});
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// The whole response has been received. Print out the result.
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resp.on('end', () => {
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clearTimeout(timeout); // 清除超时
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resolve(data);
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});
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}).on("error", (err) => {
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clearTimeout(timeout); // 清除超时
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reject("Error: " + err.message);
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});
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});
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}
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module.exports = getWeather;
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