python 详解如何写flask文件下载接口

时间：2022-04-22 09:55:45|栏目：Python代码|点击：次

简述

写一个简单的flask文件下载接口。

依赖

flask、gevent

代码

不废话上代码。

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Sat Oct 23 19:53:18 2021
@author: huyi
"""
 
from flask import Flask, request, make_response, send_from_directory
from gevent.pywsgi import WSGIServer
from gevent import monkey
 
# 将python标准的io方法，都替换成gevent中的同名方法，遇到io阻塞gevent自动进行协程切换
monkey.patch_all()
app = Flask(__name__)
 
@app.route("/download", methods=['GET'])
def download_file():
    get_data = request.args.to_dict()
    file_path = get_data.get('fileName')
 
    response = make_response(
        send_from_directory('/Users/huyi/Movies/Videos',file_path,as_attachment=True))
    response.headers["Content-Disposition"] = "attachment; filename={}".format(
        file_path.encode().decode('latin-1'))
    return response
 
if __name__ == '__main__':
    WSGIServer(('0.0.0.0', 8080), app).serve_forever()

准备数据：