ECharts 注意點

yAxis軸的數據和 series中的 yAxisIndex: 座標值相對性

vue 

https://www.npmjs.com/package/vue-echarts

解決銷燬實例和內存泄露

<chart ref="chart" :options="options" v-if="options" :auto-resize="autoResize" :watchShallow="watchShallow" @click='info'></chart>
beforeDestroy () {
  this.$refs['chart'].clear()
  this.$refs['chart'].dispose()
}