源代码
/**
* @author yqb
* @date 2018年9月29日
* @version 1.0
*/
@Component
public class SpringUtils implements ApplicationContextAware{
private static ApplicationContext applicationContext;
@Override
public void setApplicationContext(ApplicationContext applicationContext)
throws BeansException {
if (SpringUtils.applicationContext == null) {
SpringUtils.applicationContext = applicationContext;
}
}
public static ApplicationContext getApplicationContext() {
return applicationContext;
}
//根据name
public static Object getBean(String name) {
return getApplicationContext().getBean(name);
}
//根据类型
public static <T> T getBean(Class<T> clazz) {
return getApplicationContext().getBean(clazz);
}
public static <T> T getBean(String name, Class<T> clazz) {
return getApplicationContext().getBean(name, clazz);
}
}
参考文章
https://blog.csdn.net/Evan_QB/article/details/82894834