rax-medical/src/views/remote-manage/chart-line.vue

<template>
	<div class="chart-dom-box">
		<div ref="chartDom" style="width: 100%; height: 100%"></div>
	</div>
</template>

<script lang="ts" setup>
import { onMounted, ref } from 'vue';
import * as echarts from 'echarts';
import { dateFormater } from './date-util';

const chartDom = ref();

interface Props {
	names: string[];
	chartData: any[];
}

const props = withDefaults(defineProps<Props>(), {
	names: () => ['BIS', 'HR'],
	chartData: () => [] as any[],
});

// const emit = defineEmits(['updateData']);

let chart: any;
const names = props.names; // 类型名称
const color = ['#00AAB7', '#C77000'];
let legendData = [] as any[];
let xData = [] as any[]; // x时间轴
let series = [] as any[];


// 更新图表
function updateChart(ary: number[], time?: string) {
	xData.shift();
	xData.push(dateFormater('HH:mm:ss', time));
	// const values: number[] = [];
	series.forEach((item, index) => {
		item.data.shift();
		item.data.push(ary[index]);
		// values.push(item.data[item.data.length - 1]);
	});
	// emit('updateData', [values]); // 传值
	chart.setOption({
		xAxis: {
			data: xData,
		},
		series,
	});
}
// 格式化数据
function formatterData() {
	legendData = [];
	xData = [];
	series = [];
	for (let i = 0; i < 10; i++) {
		if (props.chartData[i]) xData.push(dateFormater('HH:mm:ss', props.chartData[i].Time || props.chartData[i].TIME));
		else xData.unshift(0);
	}
	names.forEach((item, index) => {
		const obj = {
			name: item,
			type: 'line',
			symbol: 'none',
			smooth: true,
			data: [] as number[],
		};
		for (let i = 0; i < 10; i++) {
			if (props.chartData[i]) obj.data.push(props.chartData[i][item]);
			else obj.data.unshift(0);
		}
		legendData.push({
			name: item,
			textStyle: { color: color[index] },
		});
		series.push(obj);
	});
}
// 渲染图表 父组件调用
function chartSet() {
	formatterData();
	if (chart) chart.setOption({
		xAxis: {
			data: xData,
		},
		series,
	});
}
// 图表初始化
function chartInit() {
	chart = echarts.init(chartDom.value as HTMLElement);
	chart.clear();
	formatterData();
	const option : any = {
		color,
		tooltip: {
			trigger: 'axis',
			formatter: (params: any) => {
				let str = '';
				str += params[0].axisValue;
				str += '<br>';
				names.forEach((item, index) => {
					str += params[index].marker;
					str += params[index].seriesName + ' ';
					switch (item) {
						case 'BIS':
							str += `脑电双频指数<麻醉深度>：${params[index].value}`;
							break;
						case 'HR':
							str += `心率：${params[index].value} 次/分`;
							break;
						case 'SBP':
							str += `收缩压：${params[index].value} mmHg`;
							break;
						case 'DBP':
							str += `舒张压：${params[index].value} mmHg`;
							break;
						case 'SPO2':
							str += `体温：${params[index].value}`;
							break;
						case 'TEMP':
							str += `氧饱和度：${params[index].value}`;
							break;
						default:
							break;
					}
					str += index === 0 ? '<br>' : '';
				});
				return str;
			},
		},
		legend: {
			type: 'plain',
			show: true,
			top: 0,
			right: 15,
			itemGap: 30,
			itemWidth: 20,
			itemHeight: 3,
			icon: 'rect',
			textStyle: {
				fontSize: 16,
				fontWeight: 600,
				lineHeight: 30,
			},
			formatter: (params: string) => {
				const index = names.findIndex((item) => item === params);
				let str = params + ' ';
				switch (params) {
					case 'BIS':
						str += `${series[index].data[series[index].data.length - 1]}`;
						break;
					case 'HR':
						str += `${series[index].data[series[index].data.length - 1]} 次/分`;
						break;
					case 'SBP':
						str += `${series[index].data[series[index].data.length - 1]} mmHg`;
						break;
					case 'DBP':
						str += `${series[index].data[series[index].data.length - 1]} mmHg`;
						break;
					case 'SPO2':
						str += `${series[index].data[series[index].data.length - 1]}`;
						break;
					case 'TEMP':
						str += `${series[index].data[series[index].data.length - 1]}`;
						break;
					default:
						break;
				}
				return str;
			},
			data: legendData,
		},
		grid: {
			left: 5,
			right: 25,
			bottom: 5,
			top: 40,
			containLabel: true,
		},
		xAxis: {
			show: true,
			type: 'category',
			boundaryGap: false,
			data: xData,
			axisLine: { lineStyle: { color: '#006080' } }
		},
		yAxis: {
			show: true,
			type: 'value',
			axisLabel: {
				formatter: `{value} ${names[0] === 'BIS' ? '次/分' : names[0] === 'SBP' ? 'mmHg' : ''}`
			},
			axisLine: { show: true, lineStyle: { color: '#006080' } },
			splitLine: { lineStyle: { color: '#C0C4CC', width: 1, type: 'dashed' } },
		},
		series,
	};
	if(names[0] !== 'BIS') {
		option.yAxis.max = (value: any) => value.max + 20;
	}
	chart.setOption(option);
	chart.resize();
	window.addEventListener('resize', () => {
		chart.resize();
	});
}

onMounted(() => {
	chartInit();
});
defineExpose({
	updateChart,
	chartSet
});
</script>

<style lang="scss" scoped>
.chart-dom-box {
	position: relative;
}
</style>