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<script setup lang="ts">
import * as echarts from 'echarts';
import { onMounted, onUnmounted, reactive, ref } from 'vue';
type EChartsOption = echarts.EChartsOption;
type ECharts = echarts.ECharts;
const colorList = {
A: '#F6E3C5',
B: '#A0D995',
C: '#6CC4A1',
D: '#4CACBC',
E: '#DF7861',
} as any;
defineExpose({
run,
setTimer,
clearTimer,
});
const chartsRaceRef = ref<any>(null);
const state = reactive({
data: [] as number[],
timer: null as any,
});
onMounted(() => {
getChart();
});
onUnmounted(() => {
clearTimer();
});
var raceChart: ECharts;
function getChart() {
if (raceChart != null && raceChart != undefined) {
raceChart.dispose();
}
raceChart = echarts.init(chartsRaceRef.value);
let option: EChartsOption;
for (let i = 0; i < 5; ++i) {
state.data.push(Math.round(Math.random() * 200));
}
option = {
grid: {
top: 10,
bottom: 30,
left: 40,
right: 60,
},
xAxis: {
max: 'dataMax',
},
yAxis: {
type: 'category',
data: ['A', 'B', 'C', 'D', 'E'],
inverse: true,
animationDuration: 300,
animationDurationUpdate: 300,
max: 4, // only the largest ${max + 1} bars will be displayed
},
series: [
{
realtimeSort: true,
type: 'bar',
itemStyle: {
color: function (param) {
return colorList[param.name] || '#9EB23B';
},
},
data: state.data,
label: {
show: true,
position: 'right',
valueAnimation: true,
},
barWidth: 60,
},
],
legend: {
show: true,
},
animationDuration: 0,
animationDurationUpdate: 3000,
animationEasing: 'linear',
animationEasingUpdate: 'linear',
};
setTimer();
option && raceChart.setOption(option);
}
function run() {
for (var i = 0; i < state.data.length; ++i) {
if (Math.random() > 0.9) {
state.data[i] = Math.round(Math.random() * 2000);
} else {
state.data[i] = Math.round(Math.random() * 200);
}
}
raceChart.setOption<EChartsOption>({
series: [
{
type: 'bar',
data: state.data,
},
],
});
}
function setTimer() {
if (state.timer) {
clearTimer();
}
setTimeout(function () {
run();
}, 0);
state.timer = setInterval(function () {
run();
}, 3000);
}
function clearTimer() {
clearInterval(state.timer);
}
</script>
<template>
<div class="fit" ref="chartsRaceRef"></div>
</template>
<style lang="scss" scoped></style>