代码跟着打报错求助

Bruning · 发表于 2020-8-13 01:24:33

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本帖最后由 Bruning 于 2020-8-13 01:25 编辑

Traceback (most recent call last):
  File "D:/py存储库/爬虫/doubanTop250.py", line 62, in <module>
main()
  File "D:/py存储库/爬虫/doubanTop250.py", line 49, in main
res = open_url(host)
  File "D:/py存储库/爬虫/doubanTop250.py", line 9, in open_url
res = requests.get(url,headers = headers)
  File "C:\Users\37984\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\requests\api.py", line 76, in get
return request('get', url, params=params, **kwargs)
  File "C:\Users\37984\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\requests\api.py", line 61, in request
return session.request(method=method, url=url, **kwargs)
  File "C:\Users\37984\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\requests\sessions.py", line 516, in request
prep = self.prepare_request(req)
  File "C:\Users\37984\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\requests\sessions.py", line 449, in prepare_request
p.prepare(
  File "C:\Users\37984\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\requests\models.py", line 315, in prepare
self.prepare_headers(headers)
  File "C:\Users\37984\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\requests\models.py", line 447, in prepare_headers
for header in headers.items():
AttributeError: 'str' object has no attribute 'items'

这什么原因啊求99  跟着书做下来的代码

zltzlt · 发表于 2020-8-13 06:18:56

发一下代码？

heidern0612 · 发表于 2020-8-13 08:22:47

AttributeError: 'str' object has no attribute 'items'。

错误告诉你了：属性错误：str没有items这个属性。

小甲鱼的铁粉 · 发表于 2020-8-13 09:23:47

res = requests.get(url,headers = headers)

应该是这一句错了吧，我也不太清楚

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