SpringContextUtil

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

@Component
public class SpringContextUtil implements ApplicationContextAware {

    private static ApplicationContext context;

    @Override
    public void setApplicationContext(ApplicationContext contex) throws BeansException {
        System.out.println("--------------------contex---------"+contex);
        SpringContextUtil.context = contex;
    }

    public static ApplicationContext getApplicationContext() {
        return context;
    }

    public static <T> T getBean(Class<T> clazz) {
        return context.getBean(clazz);
    }

     // 传入线程中 
    public static <T> T getBean(String beanName) { 
      return (T) context.getBean(beanName); 
    }
     // 国际化使用 
    public static String getMessage(String key) { 
      return context.getMessage(key, null, Locale.getDefault()); 
    } 
    // 获取当前环境 
    public static String getActiveProfile() { 
      return context.getEnvironment().getActiveProfiles()[0]; 
    }

}