货币汇率-Alpha Vantage

什么是Alpha Vantage的货币汇率?

什么是Alpha Vantage的货币汇率？

Alpha Vantage的货币汇率有哪些核心功能？

Alpha Vantage的货币汇率的核心优势是什么？

在哪些场景会用到Alpha Vantage的货币汇率？

特定语言的指南

Python

import requests # replace the "demo" apikey below with your own key from https://www.alphavantage.co/support/#api-key url = 'https://www.alphavantage.co/query?function=CURRENCY_EXCHANGE_RATE&from_currency=USD&to_currency=JPY&apikey=demo' r = requests.get(url) data = r.json() print(data)

NodeJS

'use strict'; var request = require('request'); // replace the "demo" apikey below with your own key from https://www.alphavantage.co/support/#api-key var url = 'https://www.alphavantage.co/query?function=CURRENCY_EXCHANGE_RATE&from_currency=USD&to_currency=JPY&apikey=demo'; request.get({ url: url, json: true, headers: {'User-Agent': 'request'} }, (err, res, data) => { if (err) { console.log('Error:', err); } else if (res.statusCode !== 200) { console.log('Status:', res.statusCode); } else { // data is successfully parsed as a JSON object: console.log(data); } });

PHP

<?php // replace the "demo" apikey below with your own key from https://www.alphavantage.co/support/#api-key $json = file_get_contents('https://www.alphavantage.co/query?function=CURRENCY_EXCHANGE_RATE&from_currency=USD&to_currency=JPY&apikey=demo'); $data = json_decode($json,true); print_r($data); exit;

C#

using System; using System.Collections.Generic; using System.Net; // ------------------------------------------------------------------------- // if using .NET Framework // https://docs.microsoft.com/en-us/dotnet/api/system.web.script.serialization.javascriptserializer?view=netframework-4.8 // This requires including the reference to System.Web.Extensions in your project using System.Web.Script.Serialization; // ------------------------------------------------------------------------- // if using .Net Core // https://docs.microsoft.com/en-us/dotnet/api/system.text.json?view=net-5.0 using System.Text.Json; // ------------------------------------------------------------------------- namespace ConsoleTests { internal class Program { private static void Main(string[] args) { // replace the "demo" apikey below with your own key from https://www.alphavantage.co/support/#api-key string QUERY_URL = "https://www.alphavantage.co/query?function=CURRENCY_EXCHANGE_RATE&from_currency=USD&to_currency=JPY&apikey=demo" Uri queryUri = new Uri(QUERY_URL); using (WebClient client = new WebClient()) { // ------------------------------------------------------------------------- // if using .NET Framework (System.Web.Script.Serialization) JavaScriptSerializer js = new JavaScriptSerializer(); dynamic json_data = js.Deserialize(client.DownloadString(queryUri), typeof(object)); // ------------------------------------------------------------------------- // if using .NET Core (System.Text.Json) // using .NET Core libraries to parse JSON is more complicated. For an informative blog post // https://devblogs.microsoft.com/dotnet/try-the-new-system-text-json-apis/ dynamic json_data = JsonSerializer.Deserialize<Dictionary<string, dynamic>>(client.DownloadString(queryUri)); // ------------------------------------------------------------------------- // do something with the json_data } } } }

其他

寻找更多编程语言？开源社区已经为 Alpha Vantage 开发了 600 多个库，涵盖 20 多种编程语言和框架 - 您可能想尝试一下。❚ 如果您是电子表格用户（例如 Excel 或 Google Sheets），请查看我们专用的电子表格插件。

文档详细地址请查看：https://www.alphavantage.co/documentation/