const axios = require("axios");
const CryptoJS = require("crypto-js");
const fs = require("fs");

function truncate(q){
    var len = q.length;
    if(len<=20) return q;
    return q.substring(0, 10) + len + q.substring(len-10, len);
}

var appKey = "73ff413042ffde53";
var key = "FAt2w0mFLoDDIz6ZoAY8WJFgZvLFtIYe";
var salt = (new Date).getTime();
var curtime = Math.round(new Date().getTime()/1000);
var query = 'hello world';
var str1 = appKey + truncate(query) + salt + curtime + key;
var sign = CryptoJS.SHA256(str1).toString(CryptoJS.enc.Hex);

console.log(sign);

axios.post('https://openapi.youdao.com/api',{
    q: query.toString(),
    appKey: appKey,
    salt: (new Date).getTime(),
    from: 'en',
    to: 'zh-CHS',
    sign: sign,
    signType: "v3",
    curtime:Math.round(new Date().getTime()/1000),
},{
    headers:{
        'Content-Type': 'multipart/form-data'
    }
}).then((res)=>{
    fs.writeFileSync("result.json",JSON.stringify(res.data));
})