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This article mainly explains the "mybatis batch update method", the content of the article is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "mybatis batch update method" bar!

problem

You want to update objects in batches using sql in Mybatis's xml mapping file.

Train of thought

Mainly use the CASE syntax in SQL, such as the following SQL:

UPDATE course SET name = CASE WHEN id=1 THEN 'name1' WHEN id=2 THEN' name2' WHEN id=3 THEN 'name3' END Title = CASE WHEN id=1 THEN 'New Title 1' WHEN id=2 THEN 'New Title 2' WHEN id=3 THEN 'New Title 3' ENDWHERE id=1 or id=2 or id= 3mapper UPDATE course WHEN id=# {item.id} THEN # {item.name} WHEN id=# {item.id} THEN # {item.title} WHERE id=# {item.id} Thank you for your reading The above is the content of "batch update method of mybatis". After the study of this article, I believe you have a deeper understanding of the batch update method of mybatis, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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