Springboot如何通过自定义工具类获取bean

/**

  * Created with IntelliJ IDEA.

  *

  * @Auther: zp

  * @Date: 2021/03/26/13:32

  * @Description: 通过beanFactory获取spring管理的bean对象工具类

  */

@Component

public class ApplicationContextUtil implements ApplicationContextAware {

     private static ApplicationContext context;

     // springboot加载完成后会把beanfactory作为参数传给次方法，然后我们可以把工厂赋值给context。

     @Override

     public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {

         context = applicationContext;

     }

     // 通过context获取bean

     public static Object getBean(String beanName) {

         return context.getBean(beanName);

     }

}

import org.apache测试数据mons.logging.Log;

import org.apache测试数据mons.logging.LogFactory;

import org.springframework.context.ApplicationContext;

import org.springframework.context.ApplicationContextAware;

import org.springframework.stereotype.Component;

import com.authstr.ff.utils.exception.Assert;

@Component

public class SpringUtils implements ApplicationContextAware {

     private static Log log = LogFactory.getLog(SpringUtils. class );

     private static ApplicationContext applicationContext;

     public    void setApplicationContext(ApplicationContext applicationContext) {

         SpringUtils.applicationContext = applicationContext;

     }

     private static ApplicationContext getContext() {

         return applicationContext;

     }

     public static Object getBean(String beanId) {

         return SpringUtils.getBean(Object. class , beanId);

     }

     public static <T> T getBean(Class<T> clazz, String beanId) throws ClassCastException {

         ApplicationContext context = SpringUtils.getContext();

         Assert.isTrue(StringUtils.hasText(beanId), "beanId must not null!" , true );

         boolean a=context.containsBean(beanId);

         Assert.isTrue(context.containsBean(beanId), "beanId :[" + beanId + "] is not exist!" , true );

         Object bean = null ;

         bean = context.getBean(beanId);

         return (T)bean;

     }

}

@Component ( "basicDaoImpl" )

public class BasicDaoImpl extends AbstractDao implements BasicDao

public BasicDaoImpl getBasicDaoImpl (){

         return SpringUtils.getBean(BasicDaoImpl . class , "basicDaoImpl" );

     }

@Autowired

private BasicDaoImpl basicDaoImpl;

@Bean

   public AuthInterceptor authInterceptor(){

         return new AuthInterceptor();

     }

public static AuthInterceptor authInterceptor;

@PostConstruct

   public void init() {

       authInterceptor= this ;

       AuthInterceptor .authInterceptor= this .authInterceptor;

   }