spring获取上下文

import org.springframework.context.ApplicationContext;

/**

* 直接通过Spring 上下文获取SpringBean,Spring容器启动后需要注入ApplicationContext

**/

public class SpringBeanUtil {

private static ApplicationContext context;

public static void setContext(ApplicationContext contextinject) {

if (context != null) {

return;

}

context = contextinject;

}

public static Object getBeanByName(String beanName) {

return context.getBean(beanName);

}

public static <T> T getBean(Class<T> type) {

return context.getBean(type);

}

}