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 Object getBean(Class 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 getBean(String name, Class 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(304)  评论(0)    收藏  举报