Sending POST requests using AJAX (via JavaScript)to a Python Backend (via Flask)
//JavaScript Part//
var xml = new XMLHttpRequest();
xml.open("POST","{{url_for('func.func')}}",true);
xml.setRequestHeader("Content-type","application/x-www-form-urlencoded");
xml.onload = function(){
var dataReply = JSON.parse(this.responseText);
};//endfunction
dataSend= JSON.stringify({
'page_data':'some_data'
});
xml.send(dataSend);
//Python Part//
import os
from flask import Flask, Blueprint, jsonify
from project import app
path_cwd = os.path.dirname(os.path.realpath(__file__))
path_templates = os.path.join(path_cwd,"templates")
path_static = os.path.join(path_cwd,"static")
Func = Blueprint('func', __name__, static_folder=path_static, template_folder=path_templates)
@Func.route('/func', methods=['GET','POST'])
def func():
dataGet = '' if not request.get_json(force=True) else request.get_json(force=True)
dataReply = {'backend_data':'some_data'}
return jsonify(dataReply)
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