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Mybatis configuration returns the number of messages affected by modification

By default, the number of update records returned by the update () method executed by mybatis is matched. Now you need to modify the update () method to return the number of affected records consistent with the mysql execution. You can modify the jdbc connection as follows: add useAffectedRows=true configuration.

Jdbc:mysql://jdbc.host/ {jdbc.db}? useAffectedRows=true uses the xml configuration update statement to return the number of rows of records affected

Configure the update statement in mapper.xml in mybatis to get the number of rows of records affected by the execution of the update statement

Solution.

Add & useAffectedRows=true to the database connection after configuring url

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