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The content of this article mainly focuses on how to generate the UUID logo for filling in the report form. The content of the article is clear and clear. It is very suitable for beginners to learn and is worth reading. Interested friends can follow the editor to read together. I hope you can get something through this article!

The most direct and effective way to solve this problem is to define the automatic growth of fields on the database side, because no matter how many users there are, it is just a command queue to update the database. However, database primary key growth generates continuous values with fixed steps by default, which may need to be implemented through triggers if you want to create a UUID primary key.

If we choose the right reporting tool, we can easily generate UUID identities on the report side without relying on the database.

Roughly implement the steps:

1. The UUID method is defined in the jsp page displayed by the report as follows:

Function newUUID () {var uuid = ""; for (var I = 1; I

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