CollectionUtils.isNotEmpty()的import和依赖 

import org.apache.commons.collections4.CollectionUtils;


<dependency>
      <groupId>org.apache.commons</groupId>
      <artifactId>commons-collections4</artifactId>
      <version>4.4</version>
</dependency>

源码删掉了。。。感觉污染版面

posted @ 2020-11-06 15:59  弓呆的胖次  阅读(1665)  评论(0)    收藏  举报