解析雅虎財經CSV用的NodeJS

Question

我試圖解析從雅虎財經一個非常簡單的csv文件。由此產生的csv只有股票的當前價格。當我運行這個時，我一直得到這個錯誤。在我的語法中有什麼東西嗎？

/tmp/de49fef0-c2fb-11e6-b1be-07e013ca5c3c/Node Application/app.js:6 https.get(endpoint, (response) => {^SyntaxError: Unexpected token > at Module._compile (module.js:437:25) at Object.Module._extensions..js (module.js:467:10) at Module.load (module.js:356:32) at Function.Module._load (module.js:312:12) at Module.runMain (module.js:492:10) at process.startup.processNextTick.process._tickCallback (node.js:244:9)

var https = require('https') 

var endpoint = "http://finance.yahoo.com/d/quotes.csv?s=AAPL&f=a" 

var body = "" 
https.get(endpoint, (response) => { 
       response.on('data', (chunk) => { body += chunk }) 
       response.on('end',() => { 
       var data = JSON.parse(body) 
console.log(data)})}) 

Answer 1

我認爲這會做你的下載。正是基於這一解決方案和需要重定向您正在使用哪個節點的版本處理

How to download a file with Node.js (without using third-party libraries)?

var http = require('http'); 
var fs = require('fs'); 

var endpoint = "http://finance.yahoo.com/d/quotes.csv?s=AAPL&f=a" 

var body = "" 

var download = function(url, dest, cb) { 
    var file = fs.createWriteStream(dest); 
    var request = http.get(url, function(response) { 
    if(response.statusCode === 301){ 
     console.log(); 
     var request = http.get(response.headers.location, function(response) { 
     response.pipe(file); 
     file.on('finish', function() { 
      file.close(cb); // close() is async, call cb after close completes. 
     }); 
     }); 
    } 
    }).on('error', function(err) { // Handle errors 
    fs.unlink(dest); // Delete the file async. (But we don't check the result) 
    if (cb) cb(err.message); 
    }); 
}; 


download(endpoint, 'test.csv', function(err){ 
    if(err){ 
    console.log(err); 

    } 
    else{ 
    //read csv file here 
    console.log(fs.readFileSync('test.csv').toString()); 
    } 
})