Shulou(Shulou.com)06/02 Report--

This article mainly introduces how to delete Servlet in batches, which has a certain reference value, and interested friends can refer to it. I hope you will gain a lot after reading this article.

Mapper file

In as click condition collection for collection click id to "(" start with ")" and end with "," separated by "," (pay attention to Chinese and English symbols)

Example: delete from product where pro_id in (1, 2, 4, 5)

Dao layer

Servlet

Set to String [] collection: 1.String easy to disassemble 2. In servlet, the return parameter of getParameValues is String, and no conversion is required.

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