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<template>
<div :class="className" :style="{ height: height, width: width }" />
</template>
<script>
import * as echarts from "echarts";
require("echarts/theme/macarons");
import resize from "./mixins/resize";
let chart = null
const seriesData = {
heap_total_size: [],
heap_used_size: [],
stack_total_size: [],
stack_used_size: [],
};
export default {
mixins: [resize],
props: {
className: {
type: String,
default: "chart",
},
width: {
type: String,
default: "100%",
},
height: {
type: String,
default: "350px",
},
autoResize: {
type: Boolean,
default: true,
},
dataList: {
type: Array,
required: false,
default: () => [],
},
},
data() {
return {
loading: null,
series: [
{
name: "heap_total_size",
type: "line",
max: "dataMax",
showSymbol: false,
emphasis: {
scale: false,
focus: "series",
blurScope: "coordinateSystem",
},
data: [],
},
{
name: "heap_used_size",
type: "line",
max: "dataMax",
showSymbol: false,
emphasis: {
focus: "series",
blurScope: "coordinateSystem",
},
data: [],
},
{
name: "stack_total_size",
type: "line",
max: "dataMax",
showSymbol: false,
emphasis: {
focus: "series",
blurScope: "coordinateSystem",
},
data: [],
},
{
name: "stack_used_size",
type: "line",
max: "dataMax",
showSymbol: false,
emphasis: {
focus: "series",
blurScope: "coordinateSystem",
},
data: [],
},
],
legendData: Object.keys(seriesData),
};
},
watch: {
dataList: {
deep: true,
handler(val) {
if (val.length > 0) this.handleData(val);
},
},
},
mounted() {
this.$nextTick(() => {
this.initChart();
});
},
beforeDestroy() {
if (!chart) {
return;
}
chart.clear();
chart.dispose();
},
methods: {
handleData(data) {
Object.keys(seriesData).forEach((key) => {
seriesData[key] = [];
});
this.series.forEach((item) => {
item.data = [];
});
// chart.setOption({ series: this.series });
data.forEach((item) => {
this.handleMessage(item);
});
let temp = Object.assign(this.series);
temp.forEach(item => {
if (Object.prototype.hasOwnProperty.call(seriesData, item.name)) {
item.data = seriesData[item.name]
}
});
this.series = temp;
this.$nextTick(() => {
chart &&
chart.setOption({
series: this.series,
});
});
},
handleMessage(data) {
Object.keys(data).forEach((k) => {
if (this.legendData.includes(k)) {
seriesData[k].push({
name: k,
value: [data.timestamp, data[k]],
});
}
});
},
initChart() {
chart = echarts.init(this.$el, "macarons");
this.setOptions();
},
setOptions() {
chart.setOption({
title: {
text: "EVM",
},
xAxis: {
type: "time",
splitLine: {
show: false,
},
// data: xAxisTitle,
// boundaryGap: false,
// axisTick: {
// show: false,
// },
axisLabel: {
formatter: "{HH}:{mm}:{ss}",
},
},
yAxis: {
type: "value",
scale: true,
splitLine: {
show: false,
},
},
// grid: {
// left: 10,
// right: 10,
// bottom: 20,
// top: 30,
// containLabel: true,
// },
tooltip: {
trigger: "axis",
axisPointer: {
type: "cross",
animation: false,
},
// formatter: function (params) {
// params = params[0];
// console.log(params);
// var date = new Date(params.name);
// return (
// date.getDate() +
// "/" +
// (date.getMonth() + 1) +
// "/" +
// date.getFullYear() +
// " : " +
// params.value[1]
// );
// },
padding: [5, 10],
},
legend: {
data: this.legendData,
},
series: this.series,
});
},
},
};
</script>