<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 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
},
},
},
// formatter: p => {
// let dom = `<div style="width: 79px;
// height: 50px;;color:#fff;position: relative;">
// <svg style="position: absolute;top: 50%;
// left: 50%;
// transform: translateX(-50%) translateY(-50%);" class="svg" xmlns="http://www.w3.org/2000/svg" width="100" height="71" viewBox="0 0 84 55">
// <defs>
// <style>
// .cls-1 {
// fill: #07172c;
// fill-opacity: 0.8;
// stroke: #a7d8ff;
// stroke-linejoin: round;
// stroke-opacity: 0.2;
// stroke-width: 1px;
// fill-rule: evenodd;
// }
// </style>
// </defs>
// <path id="矩形_419" data-name="矩形 419" class="cls-1" d="M266,595h74v50H266V624.046L261,620l5-3.984V595Z"
// transform="translate(-258.5 -592.5)" />
// </svg>
// <div style="padding: 4px 8px 4px 14px;display: flex;
// justify-content: center;
// align-items: center;
// flex-direction: column;position: relative;z-index: 1;">
// <div style="margin-bottom: 4px;width:100%;display:${p[0] ? 'flex' : 'none'};justify-content:space-between;align-items:center;">
// <span style="font-size:14px;color:#7ec7ff;">${p[0] ? p[0].seriesName : ''}</span>
// <span style="font-size:14px;color:#fff;">${p[0] ? p[0].data : ''}</span>
// </div>
// <div style="width:100%;height:100%;display:${p[1] ? 'flex' : 'none'};justify-content:space-between;align-items:center;">
// <span style="font-size:14px;color:#7ec7ff;">${p[1] ? p[1].seriesName : ''}</span>
// <span style="font-size:14px;color:#fff;">${p[1] ? p[1].data : ''}</span>
// </div>
// </div>
// </div>`;
// return dom;
// },
},
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: '降雨量(mm)',
},
],
},
grid: {
top: '20%',
left: '15%',
right: '10%',
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: 16,
fontSize: 13,
},
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: '降雨量(mm)',
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。
},
},
data: props.data.data2,
},
],
};
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>
