前言

略

使用flex的align-items属性控制元素对齐

上下对齐并铺满

    <view class="more">
      展开更多<text class="iconfont20231007 icon-zhankai"></text>
    </view>

.more {
  display: flex;
  flex-direction: row;
  color: #636363;
  justify-content: flex-end;
  align-items: stretch;
}

参考

http://www.ruanyifeng.com/blog/2015/07/flex-grammar.html
http://www.ruanyifeng.com/blog/2015/07/flex-examples.html
https://www.runoob.com/w3cnote/flex-grammar.html