javascript - How to extract python's try finally

Question

Answer 1

Yes, you can use the context manager to complete your needs. This is what I did. I have written relevant code. You can refer to it. You need to pay attention to the exception assistant. If you want exception handling to be more elegant, you can use decoration at the same time. device

Metadata operation code db_execute()

Specific example of save() function, pay attention to the with statement block

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Answer 2

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