179 lines
3.7 KiB
Vue
179 lines
3.7 KiB
Vue
<template>
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<div class="w-full h-100">
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<v-chart v-if="true" class="w-full h-full" :option="option" autoresize />
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<div
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v-else
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class="w-full h-full flex items-center justify-center text-gray-500"
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>
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暂无数据
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</div>
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</div>
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</template>
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<script setup lang="ts">
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import { computed, withDefaults } from "vue";
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import { forEach } from "lodash";
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import VChart from "vue-echarts";
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import { type WaveformDataType } from "./index";
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// Echarts
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import { use } from "echarts/core";
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import { LineChart } from "echarts/charts";
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import {
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TitleComponent,
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TooltipComponent,
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LegendComponent,
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ToolboxComponent,
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DataZoomComponent,
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GridComponent,
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} from "echarts/components";
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import { CanvasRenderer } from "echarts/renderers";
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import type { ComposeOption } from "echarts/core";
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import type { LineSeriesOption } from "echarts/charts";
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import type {
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TitleComponentOption,
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TooltipComponentOption,
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LegendComponentOption,
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ToolboxComponentOption,
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DataZoomComponentOption,
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GridComponentOption,
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} from "echarts/components";
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use([
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TitleComponent,
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TooltipComponent,
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LegendComponent,
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ToolboxComponent,
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DataZoomComponent,
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GridComponent,
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LineChart,
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CanvasRenderer,
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]);
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type EChartsOption = ComposeOption<
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| TitleComponentOption
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| TooltipComponentOption
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| LegendComponentOption
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| ToolboxComponentOption
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| DataZoomComponentOption
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| GridComponentOption
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| LineSeriesOption
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>;
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const props = withDefaults(
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defineProps<{
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data?: WaveformDataType;
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}>(),
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{
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data: () => ({
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x: [],
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y: [],
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xUnit: "s",
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yUnit: "V",
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}),
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},
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);
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const hasData = computed(() => {
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return (
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props.data &&
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props.data.x &&
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props.data.y &&
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props.data.x.length > 0 &&
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props.data.y.length > 0 &&
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props.data.y.some((channel) => channel.length > 0)
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);
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});
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const option = computed((): EChartsOption => {
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const series: LineSeriesOption[] = [];
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forEach(props.data.y, (yData, index) => {
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// 将 x 和 y 数据组合成 [x, y] 格式
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const seriesData = props.data.x.map((xValue, i) => [xValue, yData[i] || 0]);
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series.push({
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type: "line",
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name: `通道 ${index + 1}`,
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data: seriesData,
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smooth: false, // 示波器通常显示原始波形
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symbol: "none", // 不显示数据点标记
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lineStyle: {
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width: 2,
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},
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});
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});
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return {
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grid: {
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left: "10%",
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right: "10%",
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top: "15%",
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bottom: "25%",
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},
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tooltip: {
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trigger: "axis",
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formatter: (params: any) => {
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let result = `时间: ${params[0].data[0].toFixed(2)} ${props.data.xUnit}<br/>`;
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params.forEach((param: any) => {
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result += `${param.seriesName}: ${param.data[1].toFixed(3)} ${props.data.yUnit}<br/>`;
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});
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return result;
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},
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},
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legend: {
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top: "5%",
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data: series.map((s) => s.name) as string[],
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},
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toolbox: {
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feature: {
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restore: {},
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saveAsImage: {},
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},
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},
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dataZoom: [
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{
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type: "inside",
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start: 0,
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end: 100,
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},
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{
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start: 0,
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end: 100,
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},
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],
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xAxis: {
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type: "value",
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name: `时间 (${props.data.xUnit})`,
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nameLocation: "middle",
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nameGap: 30,
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axisLine: {
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show: true,
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},
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axisTick: {
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show: true,
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},
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splitLine: {
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show: false,
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},
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},
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yAxis: {
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type: "value",
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name: `电压 (${props.data.yUnit})`,
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nameLocation: "middle",
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nameGap: 40,
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axisLine: {
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show: true,
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},
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axisTick: {
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show: true,
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},
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splitLine: {
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show: false,
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},
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},
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series: series,
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};
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});
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</script>
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