@Autowired private ApplicationContext applicationContext; //将applicationContext转换为ConfigurableApplicationContext ConfigurableApplicationContext configurableApplicationContext = (ConfigurableApplicationContext) applicationContext; // 获取bean工厂并转换为DefaultListableBeanFactory DefaultListableBeanFactory defaultListableBeanFactory = (DefaultListableBeanFactory) configurableApplicationContext.getBeanFactory(); // 通过BeanDefinitionBuilder创建bean定义 BeanDefinitionBuilder beanDefinitionBuilder = BeanDefinitionBuilder.genericBeanDefinition(DriverManagerDataSource.class); // 设置属性 需要有set方法 beanDefinitionBuilder.addPropertyValue("driverClassName", dbVo.getDriverClassName()); beanDefinitionBuilder.addPropertyValue("url", dbVo.getUrl()); beanDefinitionBuilder.addPropertyValue("username", dbVo.getUsername()); beanDefinitionBuilder.addPropertyValue("password", dbVo.getPassword()); //设置属性依赖的bean beanDefinitionBuilder.addPropertyReference("name","beanName"); // 注册bean defaultListableBeanFactory.registerBeanDefinition("beanName", beanDefinitionBuilder.getRawBeanDefinition()); //删除bean defaultListableBeanFactory.removeBeanDefinition(beanName);