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The knowledge of this article "how to call multiple service methods in controller" is not quite understood by most people, so the editor summarizes the following contents, detailed content, clear steps, and has a certain reference value. I hope you can get something after reading this article. Let's take a look at this "how to call multiple service methods in controller" article.

Controller calls multiple service methods

Generally speaking, service methods are transactional, so it is safe to encapsulate all operations in a service method.

If multiple service methods are called in controller, this can only be done in the case of a query.

Some problems with controller calling methods in service

A question about transaction propagation during development:

Controller calls method an in service, method a has no transaction, method a calls method b in service, method b has transaction.

Then when a method reports an error, the transaction in the b method will not be rolled back, and when the transaction commits the b method error, the transaction in the a method will be committed directly and will not be rolled back.

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