Spring动态获取Bean之ApplicationContextAware

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component
public class SpringContext implements ApplicationContextAware {
	private static ApplicationContext context;

	public static <T> T getBean(Class<T> bean) {
		return context.getBean(bean);
	}
	
	public static ApplicationContext getContext() {
		return SpringContext.context;
	}

	@Override
	public void setApplicationContext(ApplicationContext context) throws BeansException {
		SpringContext.context = context;
	}

}