0-a-e

#coding:utf-8
import os,io
from flask import Flask, request, redirect, url_for,Response,render_template,send_file,make_response,jsonify,send_from_directory
from werkzeug import secure_filename
from flask_cors import CORS,cross_origin


ALLOWED_EXTENSIONS = set(['txt', 'pdf', 'png', 'jpg', 'jpeg', 'gif'])
APP_ROOT = os.path.dirname(os.path.abspath(__file__))
UPLOAD_FOLDER = os.path.join(APP_ROOT, 'static\\upload')