import org.apache.commons.lang.StringUtils; import org.slf4j.Logger; import org.springframework.beans.BeansException; import org.springframework.context.ApplicationContext; import org.springframework.context.ApplicationContextAware; import org.springframework.stereotype.Component; @Component public class SpringUtils implements ApplicationContextAware { private static final Logger log = org.slf4j.LoggerFactory.getLogger(SpringUtils.class); private static ApplicationContext context;// 声明一个静态变量保存 @Override public void setApplicationContext(ApplicationContext applicationContext) throws BeansException { context = applicationContext; } /** * 从spring容器里获取bean * * @param beanId */ public static <T> T getBean(String beanId) { T bean = null; try { if (context!=null && StringUtils.isNotEmpty(StringUtils.trim(beanId))) { bean = (T)context.getBean(beanId); } } catch (Exception e) { log.error(e.getMessage(), e); } return bean; } }
Spring 获取bean实例工具类
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转载自hazeover.iteye.com/blog/2329517
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