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#!/usr/bin/env python
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# encoding: utf-8
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# @author: 原凯峰
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# @contact: 2894340009@qq.com
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# @software: pycharm
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# @file: aiohttpserver.py
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# @time: 2024/6/19 23:11
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# @desc:
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import asyncio
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import aiohttp
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from aiohttp import web
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async def process_data(data):
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# 这里模拟异步数据处理，例如通过网络请求或数据库操作
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await asyncio.sleep(1) # 模拟异步操作的延时
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return f"Processed: {data}"
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# 定义CORS中间件
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async def add_cors_headers(request, handler):
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# 设置CORS相关的响应头
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response = handler(request) # 先调用handler处理请求，获取response
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response.headers['Access-Control-Allow-Origin'] = '*'
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response.headers['Access-Control-Allow-Methods'] = 'GET, POST, OPTIONS'
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response.headers['Access-Control-Allow-Headers'] = 'Content-Type'
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# 检查请求方法是否为OPTIONS
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if request.method == 'OPTIONS':
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# OPTIONS请求，返回204状态码，不返回body
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return web.Response(status=204, headers=response.headers)
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return response
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# 创建应用
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app = web.Application(middlewares=[add_cors_headers])
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# 定义路由和视图函数
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async def handle_options(request):
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return web.Response(status=204)
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async def handle_post(request):
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data = await request.post()
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post_data = await data.text() # 异步读取POST数据
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processed_data = await process_data(post_data)
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return web.json_response({
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"POST": "request received",
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"processed_data": processed_data
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})
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async def process_data(data):
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await asyncio.sleep(1) # 模拟异步操作的延时
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return f"Processed: {data}"
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# 添加路由
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app.add_routes([web.route('OPTIONS', '/', handle_options),
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web.route('POST', '/', handle_post)])
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if __name__ == '__main__':
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web.run_app(app, host='127.0.0.1', port=8080)
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