<template> <div :id="id" style="width: 100%; height: 100%"></div> </template> <script> import * as echarts from 'echarts'; import { guid } from '@/utils/ruoyi'; import { reactive, toRefs, onMounted, watch, onUnmounted } from 'vue'; export default { name: 'line-chart', props: { data: Object, refresh: Number, }, setup(props) { console.log(props.data); const allData = reactive({ series: [], legend: [], id: guid(), chart: null, timer: null, }); const resizeTheChart = () => { if (allData.chart) { allData.chart.resize(); } }; const init = () => { let markLinedata = []; if (props.data.controlMarkLine.length) { props.data.controlMarkLine.map(item => { let newitem = { silent: true, //鼠标悬停事件 true没有,false有 lineStyle: { //警戒线的样式 ,虚实 颜色 type: 'dashed', color: item.color, opacity: item.Opacity, }, yAxis: item.value, label: { formatter: `${item.typeName}:${item.value}` + '(mg/L)', color: item.color, }, }; markLinedata.push(newitem); }); } console.log(markLinedata, 'markLinedatamarkLinedata'); let chartDom = echarts.init(document.getElementById(allData.id)); var option; option = { // backgroundColor: '#0e1c47', tooltip: { trigger: 'axis', // backgroundColor: 'transparent', axisPointer: { lineStyle: { color: { // data1, type: 'linear', x: 0, y: 0, x2: 0, y2: 1, colorStops: [ { offset: 0, color: 'rgba(126,199,255,0)', // 0% 处的颜色 }, { offset: 0.5, color: 'rgba(126,199,255,1)', // 100% 处的颜色 }, { offset: 1, color: 'rgba(126,199,255,0)', // 100% 处的颜色 }, ], global: false, // 缺省为 false }, }, }, }, legend: { align: 'left', right: '1%', top: '1%', type: 'plain', textStyle: { color: '#7ec7ff', fontSize: 13, }, // icon:'rect', itemGap: 25, itemWidth: 18, icon: 'path://M0 2a2 2 0 0 1 2 -2h14a2 2 0 0 1 2 2v0a2 2 0 0 1 -2 2h-14a2 2 0 0 1 -2 -2z', // data: [ // { // name: '水深(cm)', // }, // { // name: 'BOD(mg/L)', // }, // ], }, grid: { top: '20%', left: '12%', right: '3%', bottom: '25%', // containLabel: true, }, xAxis: [ { type: 'category', boundaryGap: false, axisLine: { //坐标轴轴线相关设置。数学上的x轴 show: true, lineStyle: { color: '#233653', }, }, axisLabel: { //坐标轴刻度标签的相关设置 textStyle: { color: '#7ec7ff', padding: 14, fontSize: 14, }, formatter: function (data) { return data; }, }, splitLine: { show: false, lineStyle: { type: 'dashed', color: '#192a44', }, }, axisTick: { show: false, }, data: props.data.XName, }, ], yAxis: [ { name: 'mg/L', nameTextStyle: { color: '#7ec7ff', fontSize: 15, padding: 1, }, min: 0, splitLine: { show: true, lineStyle: { type: 'dashed', color: '#192a44', }, }, axisLine: { show: false, lineStyle: { color: '#233653', }, }, axisLabel: { show: true, textStyle: { color: '#7ec7ff', padding: 16, }, formatter: function (value) { if (value === 0) { return value; } return value; }, }, axisTick: { show: false, }, }, ], series: [ // { // name: '水深(cm)', // type: 'line', // symbol: 'circle', // 默认是空心圆(中间是白色的),改成实心圆 // showAllSymbol: true, // symbolSize: 0, // smooth: true, // lineStyle: { // normal: { // width: 2, // color: '#19FFB1', // 线条颜色 // }, // borderColor: '#19FFB1', // }, // itemStyle: { // color: '#19FFB1', // borderColor: '#19FFB1', // borderWidth: 2, // }, // tooltip: { // show: true, // }, // areaStyle: { // //区域填充样式 // normal: { // //线性渐变,前4个参数分别是x0,y0,x2,y2(范围0~1);相当于图形包围盒中的百分比。如果最后一个参数是‘true’,则该四个值是绝对像素位置。 // color: new echarts.graphic.LinearGradient( // 0, // 0, // 0, // 1, // [ // { // offset: 0, // color: 'rgba(25,163,223,.3)', // }, // { // offset: 1, // color: 'rgba(25,163,223, 0)', // }, // ], // false // ), // shadowColor: 'rgba(25,163,223, 0.5)', //阴影颜色 // shadowBlur: 20, //shadowBlur设图形阴影的模糊大小。配合shadowColor,shadowOffsetX/Y, 设置图形的阴影效果。 // }, // }, // data: props.data.data1, // }, { name: '', type: 'line', symbol: 'circle', // 默认是空心圆(中间是白色的),改成实心圆 showAllSymbol: true, symbolSize: 0, smooth: true, lineStyle: { normal: { width: 2, color: '#FFF21C', // 线条颜色 }, borderColor: '#FFF21C', }, itemStyle: { color: '#FFF21C', borderColor: '#FFF21C', borderWidth: 2, }, tooltip: { show: true, }, areaStyle: { //区域填充样式 normal: { //线性渐变,前4个参数分别是x0,y0,x2,y2(范围0~1);相当于图形包围盒中的百分比。如果最后一个参数是‘true’,则该四个值是绝对像素位置。 color: new echarts.graphic.LinearGradient( 0, 0, 0, 1, [ { offset: 0, color: 'rgba(10,219,250,.3)', }, { offset: 1, color: 'rgba(10,219,250, 0)', }, ], false ), shadowColor: 'rgba(10,219,250, 0.5)', //阴影颜色 shadowBlur: 20, //shadowBlur设图形阴影的模糊大小。配合shadowColor,shadowOffsetX/Y, 设置图形的阴影效果。 }, }, markLine: { symbol: 'none', //去掉警戒线最后面的箭头 label: { position: 'middle', //将警示值放在哪个位置,三个值“start”,"middle","end" 开始 中点 结束 }, data: markLinedata, }, data: props.data.data1, }, ], }; option && chartDom.setOption(option, true); allData.chart = chartDom; animateChart(); }; watch( () => props.refresh, () => { if (allData.chart) { allData.chart.dispose(); allData.chart = null; } setTimeout(() => { init(); }, 0); } ); // echarts动画 function animateChart() { let length = props.data.XName.length; let i = 0; allData.timer = setInterval(() => { i++; if (i == length) i = 0; allData.chart.dispatchAction({ type: 'showTip', seriesIndex: 0, dataIndex: i, }); }, 2000); } onMounted(() => { init(); window.addEventListener('resize', resizeTheChart); }); onUnmounted(() => { if (allData.timer) clearInterval(allData.timer); }); return { ...toRefs(allData), resizeTheChart, init, }; }, }; </script>