<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: 'rgba(83,216,251,0.8)',
},
},
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: '#3afff8',
},
},
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: 'rgba(83,216,251,0.3)',
},
},
axisLine: {
show: false,
lineStyle: {
color: 'rgba(83,216,251,0.3)',
},
},
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>
