网上都是别人转载的,下面是转载的代码,在Vue中根本不适用
var echartrunningstate = null; if (echartrunningstate && echartrunningstate.dispose) { echartrunningstate.dispose(); } echartrunningstate = echarts.init(document.getElementById("main"));
echartrunningstate一直是undefined,需要将echartrunningstate放在外层才能找到
![](https://img2020.cnblogs.com/blog/1138135/202103/1138135-20210312105340236-2043917752.png)