新发地新_异步_json_偶尔一俩个有问题

import asyncio
import aiofiles
import aiohttp


async def xin(url, data):
    headers = {
        'Accept': '*/*',
        'Accept-Language': 'zh-CN,zh;q=0.9,en;q=0.8',
        'Connection': 'keep-alive',
        'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
        'Origin': 'http://www.xinfadi.com.cn',
        'Referer': 'http://www.xinfadi.com.cn/priceDetail.html',
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 Edg/115.0.1901.188',
        'X-Requested-With': 'XMLHttpRequest',
    }
    async with aiohttp.ClientSession() as session:
        async with session.post(url,  headers=headers, data=data) as resp:
            dic = await resp.json()
            for item in dic['list']:
                # print(item)
                name = item["prodName"]
                low = item["lowPrice"]
                jun = item["avgPrice"]
                high = item["highPrice"]
                spec = item["specInfo"]
                place = item["place"]
                comp = item["unitInfo"]
                date = item["pubDate"]
                # print(name, low, jun, high, spec, place, comp, date)

                async with aiofiles.open("文件/菜价.csv", mode="a", encoding="utf-8") as f:
                    await f.write(','.join([name, low, jun, high, spec, place, comp, date]))
                    await f.write("\n")


async def get_all(url):
    tasks = []
    for i in range(1, 5):
        data = {
            'limit': '20',
            'current': f'{i}',
            'pubDateStartTime': '',
            'pubDateEndTime': '',
            'prodPcatid': '',
            'prodCatid': '',
            'prodName': '',
        }
        t = asyncio.create_task(xin(url, data))
        tasks.append(t)
    await asyncio.wait(tasks)


def main():
    url = "http://www.xinfadi.com.cn/getPriceData.html"
    asyncio.run(get_all(url))
    #     tasks.append(asyncio.create_task(xin(url)))
    # await asyncio.wait(tasks)


if __name__ == '__main__':
    main()
    print("over!!")