一站式网上办事大厅

from flask import Flask, send_from_directory

app = Flask(__name__)

@app.route('/download/')

def download_file(filename):

return send_from_directory('uploads', filename)

if __name__ == '__main__':

app.run(debug=True)

from flask import request

@app.route('/upload', methods=['POST'])

def upload_file():

file = request.files['file']

if file:

file.save(f'uploads/{file.filename}')

return 'File uploaded successfully!'

CREATE TABLE downloads (

id INT AUTO_INCREMENT PRIMARY KEY,

user_id INT NOT NULL,

file_name VARCHAR(255) NOT NULL,

download_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP

);

@app.route('/secure_download/')

def secure_download(filename):

# 假设current_user.id是当前登录用户的ID

if current_user.has_permission(filename):

return send_from_directory('uploads', filename)

else:

return "Unauthorized", 403