@Configuration//注意，由于MapperScannerConfigurer执行的比较早，所以必须有下面的注解//MyBatisConfig.class是一个包含了SqlSessionFactory配置的类@AutoConfigureAfter(MyBatisConfig.class)publicclassMyBatisMapperScannerConfig {@BeanpublicMapperScannerConfigurermapperScannerConfigurer() {MapperScannerConfigurermapperScannerConfigurer =newMapperScannerConfigurer();mapperScannerConfigurer.setSqlSessionFactoryBeanName("sqlSessionFactory");mapperScannerConfigurer.setBasePackage("tk.mybatis.springboot.mapper");Propertiesproperties =newProperties();properties.setProperty("mappers","tk.mybatis.springboot.util.MyMapper");properties.setProperty("notEmpty","false");properties.setProperty("IDENTITY","MYSQL");//这里使用的通用Mapper的MapperScannerConfigurer，所有有下面这个方法mapperScannerConfigurer.setProperties(properties);returnmapperScannerConfigurer;    }}