useGeneratedKeys= "true" keyProperty= "id",
the primary key is also printed, but it cannot be obtained .
useGeneratedKeys= "true" keyProperty= "id",
the primary key is also printed, but it cannot be obtained .
your primary key is not self-increasing. Set the primary key to grow in your table, or make a unified judgment before inserting. When the primary key is null, set a serialized id
personally tested, this is sure to work. Or if you have mistakes in other places, check it out.
Has the problem ofbeen solved?
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