mysql spring隔离级别

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.support.TransactionTemplate;

import javax.sql.DataSource;

@Configuration
@EnableTransactionManagement
public class TransactionConfig {

    @Bean
    public PlatformTransactionManager transactionManager(DataSource dataSource) {
        DataSourceTransactionManager transactionManager = new DataSourceTransactionManager();
        transactionManager.setDataSource(dataSource);
        return transactionManager;
    }

    @Bean
    public TransactionTemplate transactionTemplate(PlatformTransactionManager transactionManager) {
        TransactionTemplate transactionTemplate = new TransactionTemplate(transactionManager);
        transactionTemplate.setIsolationLevel(TransactionDefinition.ISOLATION_REPEATABLE_READ);
        return transactionTemplate;
    }
}