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vue echarts 多个折线图

2024-04-16 17:04:54 前端知识 前端哥 843 786 我要收藏

在这里插入图片描述

<div  id="echartsSigns" style="height: 700px;width:900px;margin: auto;"></div>
// 时间线
this.overviewDate = [
    "16:32",
    "16:32",
    "16:55"
]
this.bodyTemperatureList =[ 36, 39, 38]
// 心率
this.heartRateList = [ 85, 69, 99]
// 呼吸
this.breatheList =[ 74, 88, 65]
this.bloodPressureMaxList =[77, 88, 65 ]
this.bloodPressureMinList = [88, 88,65 ]
this.oxygenSaturationList =[74, 88, 56]
//图表代码

// 图表
chartFn() {
	// 基于准备好的dom,初始化echarts实例
	const myChart = echarts.init(document.getElementById('echartsSigns'));
	//图表定位
	const chartGridTop = 30;
	const chartGridHeight = 100;

	// 绘制图表
	const option = {
		animation: false,
		legend: {
			data: ['体温', '心率', '呼吸', '舒张压', '收缩压', '血氧'],
			top: "0%",
			// right: "15%",
			bottom: "50%",
			icon: 'roundRect',
		},
		tooltip: {
			//移动端展示方式
			trigger: 'axis',
			transitionDuration: 0,
			confine: true,
			borderRadius: 4,
			padding: 5,
			borderWidth: 0,
			backgroundColor: 'rgba(0, 0, 0,0.5)',
			textStyle: {
				fontSize: 14,
				color: '#fff'

			},
			formatter: function (params) {  //数据单位格式化 
				var relVal = params[0].name;  //x轴名称  
				relVal += "<div style='width:150px;'>"
				for (var i = 0, l = params.length; i < l; i++) {
					if (params[i].seriesName === "体温") {
						if (params[i].value) {
							relVal += "<span  style='display:inline-block;margin-right:5px;width:10px;height:10px;background-color:" + params[i].color + ";'>" + '<span  style="display:block;padding-left:15px;margin-top:-4px">' + params[i].seriesName + ' : ' + params[i].value + '℃' + '</span>' + "</span>" + '<br>';
						}
					}
					if (params[i].seriesName === "心率") {
						if (params[i].value) {
							relVal += "<span  style='display:inline-block;margin-right:5px;width:10px;height:10px;background-color:" + params[i].color + ";'>" + '<span  style="display:block;padding-left:15px;margin-top:-4px">' + params[i].seriesName + ' : ' + params[i].value + 'bmp' + '</span>' + "</span>" + '<br>';
						}
					}
					if (params[i].seriesName === "呼吸") {
						if (params[i].value) {
							relVal += "<span  style='display:inline-block;margin-right:5px;width:10px;height:10px;background-color:" + params[i].color + ";'>" + '<span  style="display:block;padding-left:15px;margin-top:-4px">' + params[i].seriesName + ' : ' + params[i].value + '次' + '</span>' + "</span>" + '<br>';
						}
					}
					if (params[i].seriesName === "收缩压") {
						if (params[i].value) {
							relVal += "<span  style='display:inline-block;margin-right:5px;width:10px;height:10px;background-color:" + params[i].color + ";'>" + '<span  style="display:block;padding-left:15px;margin-top:-4px">' + params[i].seriesName + ' : ' + params[i].value + 'mmHg' + '</span>' + "</span>" + '<br>';
						}
					}
					if (params[i].seriesName === "舒张压") {
						if (params[i].value) {
							relVal += "<span  style='display:inline-block;margin-right:5px;width:10px;height:10px;background-color:" + params[i].color + ";'>" + '<span  style="display:block;padding-left:15px;margin-top:-4px">' + params[i].seriesName + ' : ' + params[i].value + 'mmHg' + '</span>' + "</span>" + '<br>';
						}
					}
					if (params[i].seriesName === "血氧") {
						if (params[i].value) {
							relVal += "<span  style='display:inline-block;margin-right:5px;width:10px;height:10px;background-color:" + params[i].color + ";'>" + '<span  style="display:block;padding-left:15px;margin-top:-4px">' + params[i].seriesName + ' : ' + params[i].value + '%' + '</span>' + "</span>" + '<br>';
						}
					}
				}
				relVal += "</div>"
				return relVal;
			}
		},
		//坐标轴指示器(axisPointer)的全局公用设置
		axisPointer: {
			// type: 'shadow',
			link: {
				xAxisIndex: 'all'
			}
		},
		//直角坐标系内绘图网格
		grid: [
			this.makeGrid(chartGridTop, chartGridHeight),
			this.makeGrid(chartGridTop + (chartGridHeight + 20), chartGridHeight),
			this.makeGrid(chartGridTop + (chartGridHeight + 20) * 2, chartGridHeight),
			this.makeGrid(chartGridTop + (chartGridHeight + 20) * 3, chartGridHeight),
			this.makeGrid(chartGridTop + (chartGridHeight + 20) * 4, chartGridHeight),
		],
		xAxis: [
			this.makeXAxis(0),
			this.makeXAxis(1),
			this.makeXAxis(2),
			this.makeXAxis(3),
			this.makeXAxis(4),
		],

		yAxis: [
			this.makeYAxis(0, {
				name: '体温',
				// splitLine: false,//去除网格线

			}),
			this.makeYAxis(1, {
				name: '心率',
				// splitNumber: 2,
			}),
			this.makeYAxis(2, {
				name: '呼吸',
				// splitNumber: 3,
			}),
			this.makeYAxis(3, {
				name: '血压',
				// splitNumber: 3,

			}),
			this.makeYAxis(4, {
				name: '血氧',
			}),


		],
		//dataZoom 组件 用于区域缩放
		dataZoom: [{
			type: 'slider',
			xAxisIndex: [0, 1, 2, 3],
			realtime: true,
			//移动端展示方式
			handleSize: '140%',
		}],
		//每个系列通过 type 决定自己的图表类型
		series: [
			this.makeGridData(0, 0, 'line', '体温', this.bodyTemperatureList, {
				stack: 'DBTIME', smooth: false, color: '#6DD400',
				// 设置拐点
				// symbol: "circle",
				// 拐点大小
				symbolSize: 8,
				// 开始不显示拐点, 鼠标经过显示
				showSymbol: false,
				// 设置拐点颜色以及边框
				// itemStyle: {
				// 	color: "#0184d5",
				// 	borderColor: "rgba(221, 220, 107, .1)",
				// 	borderWidth: 12
				// },
				// 填充颜色设置
				areaStyle: {
					color: new echarts.graphic.LinearGradient(
						0,
						0,
						0,
						1,
						[
							{
								offset: 0,
								color: "rgba(109, 212, 0, 0.4)" // 渐变色的起始颜色
							},
							{
								offset: 0.8,
								color: "rgba(109, 212, 0, 0.1)" // 渐变线的结束颜色
							}
						],
						false
					),
					shadowColor: "rgba(0, 0, 0, 0.1)"
				},
			}),
			this.makeGridData(1, 1, 'line', '心率', this.heartRateList, {
				smooth: false, color: '#35BAE9',
				// 设置拐点
				// symbol: "circle",
				// 拐点大小
				symbolSize: 8,
				// 开始不显示拐点, 鼠标经过显示
				showSymbol: false,
				// 设置拐点颜色以及边框
				// itemStyle: {
				// 	color: "#0184d5",
				// 	borderColor: "rgba(221, 220, 107, .1)",
				// 	borderWidth: 12
				// },
				areaStyle: {
					color: new echarts.graphic.LinearGradient(
						0,
						0,
						0,
						1,
						[
							{
								offset: 0,
								color: "rgba(53, 186, 233, 0.4)" // 渐变色的起始颜色
							},
							{
								offset: 0.8,
								color: "rgba(53, 186, 233, 0.1)" // 渐变线的结束颜色
							}
						],
						false
					),
					shadowColor: "rgba(0, 0, 0, 0.1)"
				},
			}),
			this.makeGridData(2, 2, 'line', '呼吸', this.breatheList, {
				smooth: false, color: '#4A45CF',
				// 设置拐点
				// symbol: "circle",
				// 拐点大小
				symbolSize: 8,
				// 开始不显示拐点, 鼠标经过显示
				showSymbol: false,
				// 设置拐点颜色以及边框
				// itemStyle: {
				// 	color: "#0184d5",
				// 	borderColor: "rgba(221, 220, 107, .1)",
				// 	borderWidth: 12
				// },
				areaStyle: {
					color: new echarts.graphic.LinearGradient(
						0,
						0,
						0,
						1,
						[
							{
								offset: 0,
								color: "rgba(74, 69, 207, 0.4)" // 渐变色的起始颜色
							},
							{
								offset: 0.8,
								color: "rgba(74, 69, 207, 0.1)" // 渐变线的结束颜色
							}
						],
						false
					),
					shadowColor: "rgba(0, 0, 0, 0.1)"
				},
			}),
			this.makeGridData(3, 3, 'line', '收缩压', this.bloodPressureMaxList, {
				smooth: false, color: '#F38A27',
				// 设置拐点
				// symbol: "circle",
				// 拐点大小
				symbolSize: 8,
				// 开始不显示拐点, 鼠标经过显示
				showSymbol: false,
				// 设置拐点颜色以及边框
				// itemStyle: {
				// 	color: "#0184d5",
				// 	borderColor: "rgba(221, 220, 107, .1)",
				// 	borderWidth: 12
				// },
				areaStyle: {
					color: new echarts.graphic.LinearGradient(
						0,
						0,
						0,
						1,
						[
							{
								offset: 0,
								color: "rgba(243, 138, 39, 0.4)" // 渐变色的起始颜色
							},
							{
								offset: 0.8,
								color: "rgba(243, 138, 39, 0.1)" // 渐变线的结束颜色
							}
						],
						false
					),
					shadowColor: "rgba(0, 0, 0, 0.1)"
				},
			}),
			this.makeGridData(3, 3, 'line', '舒张压', this.bloodPressureMinList, {
				smooth: false, color: '#F7C92F',
				// 设置拐点
				// symbol: "circle",
				// 拐点大小
				symbolSize: 8,
				// 开始不显示拐点, 鼠标经过显示
				showSymbol: false,
				// 设置拐点颜色以及边框
				// itemStyle: {
				// 	color: "#0184d5",
				// 	borderColor: "rgba(221, 220, 107, .1)",
				// 	borderWidth: 12
				// },
				areaStyle: {
					color: new echarts.graphic.LinearGradient(
						0,
						0,
						0,
						1,
						[
							{
								offset: 0,
								color: "rgba(247, 201, 47, 0.4)" // 渐变色的起始颜色
							},
							{
								offset: 0.8,
								color: "rgba(247, 201, 47, 0.1)" // 渐变线的结束颜色
							}
						],
						false
					),
					shadowColor: "rgba(0, 0, 0, 0.1)"
				},
			}),
			this.makeGridData(4, 4, 'line', '血氧', this.oxygenSaturationList, {smooth: false, color: '#FF5050',
				// 设置拐
				// symbol: "circle",
				// 拐点大小
				symbolSize: 8,
				// 开始不显示拐点, 鼠标经过显示
				showSymbol: false,
				// 设置拐点颜色以及边框
				// itemStyle: {
				// 	color: "#0184d5",
				// 	borderColor: "rgba(221, 220, 107, .1)",
				// 	borderWidth: 12
				// },
				areaStyle: {
					color: new echarts.graphic.LinearGradient(
						0,
						0,
						0,
						1,
						[
							{
								offset: 0,
								color: "rgba(255, 80, 80, 0.4)" // 渐变色的起始颜色
							},
							{
								offset: 0.8,
								color: "rgba(255, 80, 80, 0.1)" // 渐变线的结束颜色
							}
						],
						false
					),
					shadowColor: "rgba(0, 0, 0, 0.1)"
				},
			}),
		]
	}
	myChart.setOption(option);
	window.onresize = function () {
		myChart.resize()
	}

},
//直角坐标系内绘图网格
makeGrid(top, height, opt) {
	return echarts.util.merge({
		left: 70,
		right: 60,
		top: top,
		height: height
	}, opt || {}, true);
},
//X轴生成器
makeXAxis(gridIndex, opt) {
	//避免X轴数据显示过于频繁
	this.axisLabelFlag = false;
	//  if (gridIndex % 2 == 0) {
	//      axisLabelFlag = true;
	//  }
	if (gridIndex == 4) {
		this.axisLabelFlag = true;
	}
	return echarts.util.merge({
		type: 'category',
		gridIndex: gridIndex,
		//统一时间轴数据
		data: this.overviewDate,
		// axisTick: {
		// 	show: false // 去除刻度线
		// },
		axisLabel: {
			show: this.axisLabelFlag,
			color: '#333333',
			fontSize: '12',
			fontWeight: 500
		},
	}, opt || {}, true);
},
//Y轴生成器
makeYAxis(gridIndex, opt) {
	return echarts.util.merge({
		type: 'value',
		nameLocation: 'center',
		nameGap: '40',
		nameRotate: 0,
		gridIndex: gridIndex,
		nameTextStyle: {
			color: '#333333',
			fontSize: '14',
			// fontWeight:600 
		},
		axisTick: {
			show: false
		},
		axisLabel: {
			show: true,
			textStyle: {
				// align: 'left',
				baseline: 'middle',
				color: '#333333',
				fontSize: '12',
				fontWeight: 500,
			},
		},
		axisLine: {
			show: true
		}
	}, opt || {}, true);
},
//数据生成器
makeGridData(xAxisIndex, yAxisIndex, chartType, chartName, chartData, opt) {
	return echarts.util.merge({
		type: chartType,
		name: chartName,
		xAxisIndex: xAxisIndex,
		yAxisIndex: yAxisIndex,
		data: chartData,
	}, opt || {}, true);
}

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