import { useRef, useEffect } from 'react' import { View } from '@tarojs/components' import { EChart } from "echarts-taro3-react"; import './index.scss' export default function Index() { const refBarChart = useRef() const defautOption = { xAxis: { type: "category", data: ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"], }, yAxis: { type: "value", }, series: [ { data: [120, 200, 150, 80, 70, 110, 130], type: "line", showBackground: true, backgroundStyle: { color: "rgba(220, 220, 220, 0.8)", }, }, ], }; useEffect(() => { if(refBarChart.current) { refBarChart.current?.refresh(defautOption); } }) return ( ) }