mybatis-plus自定义SqlSessionFactory

多数据源：基于Springboot+MybatisPlus实现多数据源+多数据源的事务管理 2020-12-06 - 简书 (jianshu.com)

@Configuration
public class MybatisPlusConfig {

    @Bean(name = "globalConfig")
    public GlobalConfig globalConfig(@Qualifier("myBatisPlusMetaObjectHandler") MyBatisPlusMetaObjectHandler metaObjectHandler) {
        GlobalConfig globalConfig = new GlobalConfig();
        globalConfig.setMetaObjectHandler(metaObjectHandler);
        return globalConfig;
    }

    @Bean
    @Primary
    public SqlSessionFactory sqlSessionFactory(@Qualifier("dataSource") DataSource dataSource,
                                               @Qualifier("globalConfig") GlobalConfig globalConfig) throws Exception {
        MybatisSqlSessionFactoryBean sqlSessionFactory = new MybatisSqlSessionFactoryBean();
        sqlSessionFactory.setDataSource(dataSource);

        //添加分页功能================================================================================================
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));

        sqlSessionFactory.setPlugins(interceptor);
        sqlSessionFactory.setGlobalConfig(globalConfig);

        return sqlSessionFactory.getObject();
    }

    @Bean
    @Primary
    public SqlSessionTemplate sqlSessionTemplate(@Qualifier("sqlSessionFactory") SqlSessionFactory sqlSessionFactory) throws Exception {
        return new SqlSessionTemplate(sqlSessionFactory);
    }

    @Bean
    @Primary
    public DataSourceTransactionManager dataSourceTransactionManager(@Qualifier("dataSource") DataSource dataSource) {
        return new DataSourceTransactionManager(dataSource);
    }
}