spring getBean

 

 

public class MySpringContextUtil implements ApplicationContextAware {
 private static ApplicationContext applicationContext;     //Spring应用上下文环境
 
 public static ApplicationContext getApplicationContext() {
  return applicationContext;
 }

 public void setApplicationContext(ApplicationContext applicationContext)
   throws BeansException {
  MySpringContextUtil.applicationContext=applicationContext;
  
 }
 /**
   * 获取对象  
   * @param name
   * @return Object 一个以所给名字注册的bean的实例
   * @throws BeansException
   */
   public static Object getBean(String name) throws BeansException {
    if(applicationContext!=null)
    {
    
     return applicationContext.getBean(name);
     }
    else
    {
     return null;
    }
   }
   /**
    * 如果BeanFactory包含一个与所给名称匹配的bean定义，则返回true
    * @param name
    * @return boolean
    */
    public static boolean containsBean(String name) {
      return applicationContext.containsBean(name);
    }

}