Javascript
$('#classify_upload').click( function() { canvas = $('.container > img').cropper('getCroppedCanvas'); $('<form/>', {action: 'classify_upload', method: 'post', enctype:'multipart/form-data'}) .append($('<input/>', {type: 'hidden', name: 'imagefile', value: canvas.toDataURL('image/png')})) .appendTo(document.body) .submit(); });
Flask
import re import cStringIO from PIL import Image @app.route('/classify_upload', methods=['POST']) def classify_upload(): try: image_data = re.sub('^data:image/.+;base64,', '', flask.request.form['imagefile']).decode('base64') imagefile = Image.open(cStringIO.StringIO(image_data))
情報源: python – Decoding base64 from POST to use in PIL – Stack Overflow