獲取springboot中的上下文,獲得bean

/**
 * @Description: 提供手動獲取被spring管理的bean對象
 */
public class SpringUtil implements ApplicationContextAware {
	
	private static ApplicationContext applicationContext;

	@Override
	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
		if (SpringUtil.applicationContext == null) {
			SpringUtil.applicationContext = applicationContext;
		}
	}

	// 獲取applicationContext
	public static ApplicationContext getApplicationContext() {
		return applicationContext;
	}

	// 通過name獲取 Bean.
	public static Object getBean(String name) {
		return getApplicationContext().getBean(name);
	}

	// 通過class獲取Bean.
	public static <T> T getBean(Class<T> clazz) {
		return getApplicationContext().getBean(clazz);
	}

	// 通過name,以及Clazz返回指定的Bean
	public static <T> T getBean(String name, Class<T> clazz) {
		return getApplicationContext().getBean(name, clazz);
	}

}