模拟登陆后报错
来源：7-5 网页302之后的模拟登录和cookie传递(网站需要登录时学习本视频教程)
慕仰7968168
2020-04-02
Traceback (most recent call last):
File “/Users/undefeated/Library/Python/3.7/lib/python/site-packages/twisted/internet/defer.py”, line 654, in _runCallbacks
current.result = callback(current.result, *args, **kw)
File “/Users/undefeated/ArticleSpider/ArticleSpider/pipelines.py”, line 38, in process_item
lines=json.dumps(dict(item),ensure_ascii=False)+"\n"
File “/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/json/init.py”, line 238, in dumps
**kw).encode(obj)
File “/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/json/encoder.py”, line 199, in encode
chunks = self.iterencode(o, _one_shot=True)
File “/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/json/encoder.py”, line 257, in iterencode
return _iterencode(o, 0)
File “/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/json/encoder.py”, line 179, in default
raise TypeError(f’Object of type {o.class.name} '
TypeError: Object of type datetime is not JSON serializable
1回答
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bobby
2020-04-03
你的这行代码中的item有datetime类型的值，。直接使用json.dumps遇到这种类型会报错 https://stackoverflow.com/questions/11875770/how-to-overcome-datetime-datetime-not-json-serializable 可以看看这个00
你的这行代码中的item有datetime类型的值，。直接使用json.dumps遇到这种类型会报错 相似问题