const request = require('request')
const options = {
url: 'https://url',
method: 'GET',
headers: {
'Accept': 'application/json',
'Accept-Charset': 'utf-8',
'User-Agent': 'my-reddit-client'
}
}
request(options, function(err, res, body) {
let json = JSON.parse(body)
console.log(json)
})
let map = new Map()
map.size
var moment = require('moment')
var d = moment(1544933472000).format('YYYY-MM-DD HH:mm:ss')
fs.readdir("./dir", function readdir(err, files) {
files.forEach(function forFile(file) {
console.log(file)
});
console.log('遍历完毕')
});
// constant.js
global.test3 = 3
require("./constant")
console.log(test3)
var sql = "select * from B where xx = ?";
results = await query(sql, [3])
if (results.length > 0) {
}
let field = Object.values(results[0])[0]
let和var变量的作用域的问题: for循环中尽量使用let
TOKNOWN
连接超时 到网址https://ping.chinaz.com/github.com
ping到可以连接的ip 然后修改hosts