import org.springframework.beans.BeansException;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
/**
*

  • 静态获取Bean

*/
public class SpringContextUtil implements ApplicationContextAware {

private static ApplicationContext applicationContext; 
// 实现
@Override
public void setApplicationContext(ApplicationContext applicationContext)
		throws BeansException {
	SpringContextUtil.applicationContext = applicationContext;
}

public static ApplicationContext getApplicationContext() {
	return applicationContext;
}

public static Object getBean(String name) throws BeansException {
	try {
		return applicationContext.getBean(name);
	} catch (Exception e) {
		e.getMessage();
		throw new RuntimeException("获取的Bean不存在!");
	}
}

public static <T> Object getBean(Class<T> zlass) throws BeansException {
	try {
		return applicationContext.getBean(zlass);
	} catch (Exception e) {
		e.getMessage();
		throw new RuntimeException("获取的Bean不存在!");
	}
}

public static <T> T getBean(String name, Class<T> requiredType)throws BeansException {
	return applicationContext.getBean(name, requiredType);
}

public static boolean containsBean(String name) {
	return applicationContext.containsBean(name);
}

public static boolean isSingleton(String name)
		throws NoSuchBeanDefinitionException {
	return applicationContext.isSingleton(name);
}

public static Class<? extends Object> getType(String name)
		throws NoSuchBeanDefinitionException {
	return applicationContext.getType(name);
}

public static String[] getAliases(String name)
		throws NoSuchBeanDefinitionException {
	return applicationContext.getAliases(name);
}

}

posted on 2020-05-06 21:37  朴智妍的颜狗  阅读(273)  评论(0编辑  收藏  举报