[GitHub] [echarts] adoin commented on issue #18716: [Feature] 动态主题切换需求，实现思路（CSS var）

["adoin (via GitHub)" <gi...@apache.org>]

adoin commented on issue #18716:
URL: https://github.com/apache/echarts/issues/18716#issuecomment-1578053947

   > 切换主题重新 echarts.init 就行了，用 CSS 是想解决什么问题？Canvas 肯定是要重绘的，所以放在 CSS 里似乎没什么用。
   
   举个例子，你在100个页面里写了120个Echarts，那么你的主题切换方法需要写120次。
   而css变量则不需要，外部切换主题能让所有颜色自动切换。
   当然canvas难点，源码里引入mitt之类的事件机制技术栈辅助实现，唤起重绘方法。


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