Spring boot 动态创建Bean的方法

https://www.jb51.net/article/145125.htm

  

   

    

     

    
    

     

      public <T> T registerBean(String name, Class<T> clazz, Object... args) {
     
    
   

    

     

    
    

     
   BeanDefinitionBuilder beanDefinitionBuilder = BeanDefinitionBuilder.genericBeanDefinition(clazz);
     
    
   

    

     

    
    

     
   if (args.length > 0) {
     
    
   

    

     

    
    

     
     for (Object arg : args) {
     
    
   

    

     

    
    

     

             beanDefinitionBuilder.addConstructorArgValue(arg);
     
    
   

    

     

    
    

     

           }
     
    
   

    

     

    
    

     

         }
     
    
   

    

     

    
    

     
   BeanDefinition beanDefinition = beanDefinitionBuilder.getRawBeanDefinition();
     
    
   

    

     

    
    

     
  
     
    
   

    

     

    
    

     
   BeanDefinitionRegistry beanFactory = (BeanDefinitionRegistry) applicationContext.getBeanFactory();
     
    
   

    

     

    
    

     

         beanFactory.registerBeanDefinition(name, beanDefinition);
     
    
   

    

     

    
    

     
   return applicationContext.getBean(name, clazz);
     
    
   

    

     

    
    

     

      }
     
    
  
 

文章来源: blog.csdn.net，作者：隔壁老瓦，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/wxb880114/article/details/84592919