import org.mybatis.spring.mapper.ClassPathMapperScanner; //导入依赖的package包/类
@Override
public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {

    logger.debug("Searching for mappers annotated with @Mapper");

    ClassPathMapperScanner scanner = new ClassPathMapperScanner(registry);

    try {
        if (this.resourceLoader != null) {
            scanner.setResourceLoader(this.resourceLoader);
        }

        List<String> packages = AutoConfigurationPackages.get(this.beanFactory);
        if (logger.isDebugEnabled()) {
            for (String pkg : packages) {
                logger.debug("Using auto-configuration base package '" + pkg + "'");
            }
        }

        scanner.setAnnotationClass(Mapper.class);
        scanner.registerFilters();
        scanner.doScan(StringUtils.toStringArray(packages));
    } catch (IllegalStateException ex) {
        logger.debug("Could not determine auto-configuration package, automatic mapper scanning disabled." + ex);
    }
}
 

import org.mybatis.spring.mapper.ClassPathMapperScanner; //导入依赖的package包/类
private void createClassPathMapperScanner(BeanDefinitionRegistry registry, String prefixName) {
  ClassPathMapperScanner scanner = new ClassPathMapperScanner(registry);

  try {
    if (this.resourceLoader != null) {
      scanner.setResourceLoader(this.resourceLoader);
    }

    List<String> packages = AutoConfigurationPackages.get(beanFactory);
    packages.forEach(pkg -> log.info("Using auto-configuration base package '{}'", pkg));

    scanner.setAnnotationClass(Mapper.class);
    scanner.setSqlSessionFactoryBeanName(prefixName + "SessionFactory");
    scanner.registerFilters();
    scanner.doScan(StringUtils.toStringArray(packages));
  } catch (IllegalStateException ex) {
    log.info("Could not determine auto-configuration package", ex);
  }
}
 

import org.mybatis.spring.mapper.ClassPathMapperScanner; //导入依赖的package包/类
@Override
public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {

  logger.debug("Searching for mappers annotated with @Mapper");

  ClassPathMapperScanner scanner = new ClassPathMapperScanner(registry);

  try {
    if (this.resourceLoader != null) {
      scanner.setResourceLoader(this.resourceLoader);
    }

    List<String> packages = AutoConfigurationPackages.get(this.beanFactory);
    if (logger.isDebugEnabled()) {
      packages.forEach(pkg -> logger.debug("Using auto-configuration base package '{}'", pkg));
    }

    scanner.setAnnotationClass(Mapper.class);
    scanner.registerFilters();
    scanner.doScan(StringUtils.toStringArray(packages));
  } catch (IllegalStateException ex) {
    logger.debug("Could not determine auto-configuration package, automatic mapper scanning disabled.", ex);
  }
}