报错求助 无法下载res.text文档

lsykkk

import requests
def get_url(url):
    headers={'user-agent':'Mozilla/5.0(Windows NT 10.0;WOW64)AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.98 Safari/537.36'}
    res=requests.get(url,headers=headers)
    return res
def main():
    url=input('请输入地址:')
    res=get_url(url)
    with open ('res.txt','w',encoding='utf-8') as file:
        file.write(res.text)
if__name__ == '__main__':
    main()
                     

笨鸟学飞

import requests


def getRes(url):
    try:
        res = requests.get(url, timeout=30)
        res.raise_for_status()  # 如果状态不是200，即未成功获得数据则引发异常
        res.encoding = res.apparent_encoding
        return res
    except:
        return '爬取异常' + url


def main():
    while True:
        url = input('请输入正确的url地址（例如https://www.baidu.com）：')
        if url[:7] != 'http://' and url[:8] != 'https://':
            print('请输入正确的url地址，例如https://www.baidu.com')
            continue
        else:
            break
    res = getRes(url)
    if type(res) == type('error'):
        print(res)
    else:
        with open('./res.txt', 'w', encoding='utf-8') as fp:
            fp.write(res.text)


if __name__ == '__main__':
    main()