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Very simple and reduced bare-bones Flask API example
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| from flask import Flask, request, render_template | |
| app = Flask(__name__, template_folder='.') | |
| @app.route('/') | |
| def index(): | |
| return render_template('index.html') | |
| @app.route('/api', methods=['POST']) | |
| def api(): | |
| return 'API received the following data: ' + request.data.decode() | |
| if __name__ == '__main__': | |
| app.run() |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="utf8" /> | |
| <title>Flask example</title> | |
| </head> | |
| <body> | |
| <h1>Flask example</h1> | |
| <input id="input" type="text" /> | |
| <button id="btn">Send</button> | |
| <h3>Output</h3> | |
| <pre id="output"></pre> | |
| <script> | |
| function callApi(data, callback) { | |
| var xhr = new XMLHttpRequest(); | |
| xhr.open('post', '/api', true); | |
| xhr.onload = function () { | |
| callback(this.responseText); | |
| }; | |
| xhr.send(data); | |
| } | |
| var input = document.getElementById('input'); | |
| var output = document.getElementById('output'); | |
| document.getElementById('btn').addEventListener('click', function () { | |
| callApi(input.value, function (data) { | |
| output.appendChild(document.createTextNode('Sent: ' + input.value + '\nReceived: ' + data + '\n\n')); | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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