import * as echarts from 'echarts'; import React, { useEffect, useRef } from 'react'; interface editPros { data: any; } const Statistical: React.FC = (props) => { const chartRef: any = useRef(); const { data } = props; const options = { title: { left: 'center', }, tooltip: { trigger: 'item', }, legend: { orient: 'vertical', left: 'left', }, series: [ { type: 'pie', radius: '50%', data: [ { value: data?.device_online * 6, name: '在线' }, { value: data?.device_offline, name: '离线' }, ], emphasis: { itemStyle: { shadowBlur: 10, shadowOffsetX: 0, shadowColor: 'rgba(0, 0, 0, 0.5)', }, }, }, ], }; useEffect(() => { // 创建一个echarts实例,返回echarts实例。不能在单个容器中创建多个echarts实例 const chart = echarts.init(chartRef.current); // 设置图表实例的配置项和数据 chart.setOption(options); // 组件卸载 return () => { chart.dispose(); }; }, []); return (
); }; export default Statistical;