javascript/canvas/axiosで画像をPOSTしてpython/flaskで画像を受け取る : メモ Javascript側(抜粋) const canvas = this.$refs.imageLayer; const base64_png = canvas.toDataURL("image/png"); const fd = new FormData(); fd.append("image", base64_png); const BASE_URL = "http://127.0.0.1:5000"; axios .post(BASE_URL, fd) .then(function (response) { console.log("response", response); }) .catch(function (error) { console.log(error); }); Python(Flask)側 import os from flask import Flask, make_response, request from flask_cors import CORS from pathlib import Path import base64 from PIL import Image from io import BytesIO app = Flask(__name__) CORS(app) @app.route('/', methods=['POST']) def send(): if request.method != 'POST': return make_response(jsonify({'result': 'invalid method'}), 400) base64_png = request.form['image'] code = base64.b64decode(base64_png.spli
