echarts饼状图 点击事件

在使用echarts饼状图时，我们可以通过点击事件来实现相应的功能。首先，使用`myChart.on('click', (a, b) => { console.log(a) })`来添加点击事件，其中`myChart`是echarts实例的名称。这样，当用户点击饼图时，会触发点击事件并将事件对象`a`作为参数传入回调函数中。通过打印`a`，我们可以查看事件对象的具体信息。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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