1. public Set<BeanDefinitionHolder> doScan(String… basePackages) {  
2.     Set<BeanDefinitionHolder> beanDefinitions = super.doScan(basePackages);  
3.     if (beanDefinitions.isEmpty()) {  
4.       logger.warn(”No MyBatis mapper was found in ’” + Arrays.toString(basePackages) + 
   “’ package. Please check your configuration.”);  
5.     } else {  
6.       processBeanDefinitions(beanDefinitions);  
7.     }  
8.     return beanDefinitions;  
9.   }  
10.   privatevoid processBeanDefinitions(Set<BeanDefinitionHolder> beanDefinitions) {  
11.     GenericBeanDefinition definition;  
12.     for (BeanDefinitionHolder holder : beanDefinitions) {  
13.       definition = (GenericBeanDefinition) holder.getBeanDefinition();  
14.       if (logger.isDebugEnabled()) {  
15.         logger.debug(”Creating MapperFactoryBean with name ’” + holder.getBeanName()   
16.           + ”’ and ’” + definition.getBeanClassName() + “’ mapperInterface”);  
17.       }  
18.       // the mapper interface is the original class of the bean
19.       // but, the actual class of the bean is MapperFactoryBean
20.       definition.getConstructorArgumentValues().addGenericArgumentValue(definition.getBeanClassName()); // issue #59
21.       definition.setBeanClass(this.mapperFactoryBean.getClass());//將其bean Class型別設定為mapperFactoryBean，放入BeanDefinitions
22.       definition.getPropertyValues().add(”addToConfig”, this.addToConfig);  
23.       boolean explicitFactoryUsed = false;  
24.       if (StringUtils.hasText(this.sqlSessionFactoryBeanName)) {  
25.         definition.getPropertyValues().add(”sqlSessionFactory”, new RuntimeBeanReference(this.sqlSessionFactoryBeanName));  
26.         explicitFactoryUsed = true;  
27.       } elseif (this.sqlSessionFactory != null) {  
28.         definition.getPropertyValues().add(”sqlSessionFactory”, this.sqlSessionFactory);  
29.         explicitFactoryUsed = true;  
30.       }  
31.       if (StringUtils.hasText(this.sqlSessionTemplateBeanName)) {  
32.         if (explicitFactoryUsed) {  
33.           logger.warn(”Cannot use both: sqlSessionTemplate and sqlSessionFactory together. sqlSessionFactory is ignored.”);  
34.         }  
35.         definition.getPropertyValues().add(”sqlSessionTemplate”, new RuntimeBeanReference(this.sqlSessionTemplateBeanName));  
36.         explicitFactoryUsed = true;  
37.       } elseif (this.sqlSessionTemplate != null) {  
38.         if (explicitFactoryUsed) {  
39.           logger.warn(”Cannot use both: sqlSessionTemplate and sqlSessionFactory together. sqlSessionFactory is ignored.”);  
40.         }  
41.         definition.getPropertyValues().add(”sqlSessionTemplate”, this.sqlSessionTemplate);  
42.         explicitFactoryUsed = true;  
43.       }  
44.       if (!explicitFactoryUsed) {  
45.         if (logger.isDebugEnabled()) {  
46.           logger.debug(”Enabling autowire by type for MapperFactoryBean with name ’” + holder.getBeanName() + “’.”);  
47.         }  
48.         definition.setAutowireMode(AbstractBeanDefinition.AUTOWIRE_BY_TYPE);  
49.       }  
50.     }  
51.   }  

public Set<BeanDefinitionHolder> doScan(String... basePackages) {
    Set<BeanDefinitionHolder> beanDefinitions = super.doScan(basePackages);

    if (beanDefinitions.isEmpty()) {
      logger.warn("No MyBatis mapper was found in '" + Arrays.toString(basePackages) + "' package. Please check your configuration.");
    } else {
      processBeanDefinitions(beanDefinitions);
    }

    return beanDefinitions;
  }

  private void processBeanDefinitions(Set<BeanDefinitionHolder> beanDefinitions) {
    GenericBeanDefinition definition;
    for (BeanDefinitionHolder holder : beanDefinitions) {
      definition = (GenericBeanDefinition) holder.getBeanDefinition();

      if (logger.isDebugEnabled()) {
        logger.debug("Creating MapperFactoryBean with name '" + holder.getBeanName() 
          + "' and '" + definition.getBeanClassName() + "' mapperInterface");
      }

      // the mapper interface is the original class of the bean
      // but, the actual class of the bean is MapperFactoryBean
      definition.getConstructorArgumentValues().addGenericArgumentValue(definition.getBeanClassName()); // issue #59
      definition.setBeanClass(this.mapperFactoryBean.getClass());//將其bean Class型別設定為mapperFactoryBean，放入BeanDefinitions

      definition.getPropertyValues().add("addToConfig", this.addToConfig);

      boolean explicitFactoryUsed = false;
      if (StringUtils.hasText(this.sqlSessionFactoryBeanName)) {
        definition.getPropertyValues().add("sqlSessionFactory", new RuntimeBeanReference(this.sqlSessionFactoryBeanName));
        explicitFactoryUsed = true;
      } else if (this.sqlSessionFactory != null) {
        definition.getPropertyValues().add("sqlSessionFactory", this.sqlSessionFactory);
        explicitFactoryUsed = true;
      }

      if (StringUtils.hasText(this.sqlSessionTemplateBeanName)) {
        if (explicitFactoryUsed) {
          logger.warn("Cannot use both: sqlSessionTemplate and sqlSessionFactory together. sqlSessionFactory is ignored.");
        }
        definition.getPropertyValues().add("sqlSessionTemplate", new RuntimeBeanReference(this.sqlSessionTemplateBeanName));
        explicitFactoryUsed = true;
      } else if (this.sqlSessionTemplate != null) {
        if (explicitFactoryUsed) {
          logger.warn("Cannot use both: sqlSessionTemplate and sqlSessionFactory together. sqlSessionFactory is ignored.");
        }
        definition.getPropertyValues().add("sqlSessionTemplate", this.sqlSessionTemplate);
        explicitFactoryUsed = true;
      }

      if (!explicitFactoryUsed) {
        if (logger.isDebugEnabled()) {
          logger.debug("Enabling autowire by type for MapperFactoryBean with name '" + holder.getBeanName() + "'.");
        }
        definition.setAutowireMode(AbstractBeanDefinition.AUTOWIRE_BY_TYPE);
      }
    }
  }