AttributeError: ‘NoneType ’ object has no attribute 'execute' d format: a number is required, not st

时间 2021-07-12

标签 Python 栏目 Python 繁體版

原文原文链接

Python在操作Mysql数据的时候，报了两个错误，一个是AttributeError: 'DBHelper' object has no attribute 'cursor'；另一个是%d format: a number is required, not str 错误分析过程，第一个是提示cursor是空的，那可能是数据库链接那里有问题，链接没成功，所以curso

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1. AttributeError: 'NoneType' object has no attribute 'astyp
2. AttributeError: ‘NoneType’ object has no attribute ‘data’
3. AttributeError: 'NoneType' object has no attribute 'split'
4. AttributeError: 'NoneType' object has no attribute 'get_text'
5. AttributeError: 'NoneType' object has no attribute 'recovery'
6. AttributeError: 'NoneType' object has no attribute 'GetLayer'
7. AttributeError: 'NoneType' object has no attribute 'is_relation'
8. AttributeError: ‘NoneType‘ object has no attribute ‘get_text‘
9. AttributeError: 'NoneType' object has no attribute 'name'
10. AttributeError: 'NoneType' object has no attribute '__array_interface__'
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1. AttributeError: 'NoneType' object has no attribute 'astyp
2. AttributeError: ‘NoneType’ object has no attribute ‘data’
3. AttributeError: 'NoneType' object has no attribute 'split'
4. AttributeError: 'NoneType' object has no attribute 'get_text'
5. AttributeError: 'NoneType' object has no attribute 'recovery'
6. AttributeError: 'NoneType' object has no attribute 'GetLayer'
7. AttributeError: 'NoneType' object has no attribute 'is_relation'
8. AttributeError: ‘NoneType‘ object has no attribute ‘get_text‘
9. AttributeError: 'NoneType' object has no attribute 'name'
10. AttributeError: 'NoneType' object has no attribute '__array_interface__'

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