我要评论版本
yarn add echarts@4.9.0 yarn add resize-detector@0.3.0
mixins-resize.js
import { addlistener, removelistener } from 'resize-detector';
import _ from 'lodash';
export default {
mounted() {
const { onresize } = this;
this.__resizehandler = _.debounce(() => {
if (typeof onresize === 'function') onresize();
}, 100);
this.$nexttick(() => {
addlistener(this.$el, this.__resizehandler);
});
},
beforedestroy() {
removelistener(this.$el, this.__resizehandler);
}
}
datazoom.js
export const echartoptions = {
datazoom: [
{
type: 'slider', //滑动条型数据缩放组件
start: 90, //数据窗口的起始位置百分比
end: 100, //数据窗口的结束位置百分比
height: 6, //数据缩放组件的高度
bottom: 20, //数据缩放组件距离底部的距离
realtime: false, //是否实时显示，这里是 false，表示拖动结束时才触发数据变化
backgroundcolor: '#edf0f5', //数据缩放组件的背景色
handlesize: 12, //滑块的大小
//滑块的图标
handleicon:
'image://data:image/png;base64,ivborw0kggoaaaansuheugaaacqaaaakcayaaadhajiyaaagveleqvryr82ys2hc5xxh/+d8333pzki+chvllr0zm2ay2ovjykkvhk7altrvzn+wztfnoc+y0jiqktjvavei0bjoa1z3ld3wid0mgulvxqrbtuwmlmuzkwzg931outorbd1sybychwzg4n773r//8//od84h/j996of5lfsby5ex8+z8pidlw+/wmz8ppefv0odd/4hauyc4axdtgvc/d+52qufwm6l4lmyrddcahifkagqyvr6ozwzthgbuucbvpcxf4yvzdwhcenyzwha17xdvdhnsagsieymtfc8zk3iprzj8wnq3kqibni6icnjsqogov+wbqeqtfujzz8hly7ctamcqwbobt3kagon5ieqecywtsazuifooiis5tyk0wabiuf5l1tzw8osxt+dvvagzb0hpaag8d9aizmygjgjgqsivs4ynwdsyih9xun0ackspa2omowpwfqu0h5oy0iei+o6rtctur4h7w0vqj30febojaqg8drbabwcnybqarqnukmcmconu5bezmixkownifkziv0gizwsyzizprfnmxoxqijl9i7v8u0q7ul6jrroixaziokjxkqio7xfcfuctlnkltftag4wnah6ceyv4slromfexlogbrhr2sn2johsav0aef6jobyasq+n2xzp00zrspsuurrz0707cbvqz+opvmjs34axpobbamcpmcyqvzlx1uyb8/jcqvddv9g0i/fqfvhh2nsd0trbqtxbpcy+g2bu6e4curlwbdwzwmhsh524ey2za8qscfkxefx8wzvt+vvklmj9d9ybd9gnj0lerbgcy55+h3kvsdlclzsicbjp2gqna5erj+tsy51t1xudrzp9sqm9d9vcmwqbsatslplpql8xz8438xpxuarwu/zbx7ah+3yu7reazqvgqgd96vgx2pieqrzp4j8rmooa130dvpbkv2/d+dkt09xbm+ht8fhbhfvbtsnqemh5bolnjaqqmtoqfqug9lujwqn7n3dnezz2hclulidawg19ecvinzsms8d/fauym+mtq5kxjgtlzr+l3kvpnuruc6ub6+ph4v9nettigqnvwf2yszmqtp07ktrtqzgnrt4/do/u8bh2hvf9bse+p47tlepvxrynrtuigx/e2ugmc3idcbfe+y8ppeenvqi8txdtggg0qfy9urqws3yqksy/abss7glsl/ncz+b0/jqi0p0lxqq0teme79pabykjvkuq7kuu3xqu6vo9k29gjd1val+cvrsatljtnipucmf3+k4azhyw+xvrakt+wnugcdlstenntjhxboz+yqld9foteptk/cabclakbdxhpd+uewmewjd6lofej6mljv0mxislfh9c1gvkvaz1uac3nlbuhnq3hztydxnm2/bmanzt2ioadkl1sqpy3klk2tehgvl32cvxo5dncokinwmycgpre+p3jbhpma6xxdgtzlu4axre/dymurrzg3j/zyea4tuhzo2usnffl34iwcwxqig0iv0qs/8y1uox0/m7sz7g1l1nxl7xyrq1wvtwkofg3qw2q0hqosf8h1h8cgxd4dyl+cwkuc4g1nrr7utsthncwjy6p6rqpqwrjkkqum2mfnmxmn4hw9oncqep/cpyyibnmgryj0quqjwq1uzbeydsjv6n6qfkpg06evu9oumlmiktstb8eyfqrovrvk5qxifnfmwttun07qkh/whpo+5bdwhjlbseltywhduedsqfpe9nphbz4kevapqyr+q0xxyvzbju8947nodftim23ud6rzh6froq1wkqnbmyvb891usncphnxhekmlejrdprakyxegzj4b1d9s1vtw9o1x0gnlnf3xsrhqql3sphfrqaapojirmglnsdmsilpanjsfv8ixtnqorclbgib96vsrcybzpsmltoxjj3sulutnoh0ke5pozhy17envam1uaildbhfbf8vyvmitkuxzkadlkirbic4rexvx0aiubkjotogqg9qnw3qixwdwg1x5zkhtuahhwzht9wuqwykw5yogu124qybpjmlgxi+jyz3ieeyk80u7jkvhhkpgsydjikk8qo/thnikpbuf0xlmdeg4v4t9sg9/wjiupx2wijba8brwa4rhnefzfmt63ljnguxuw6gjt2s3bkr/axf5qnwxesvitvvaql6ub+2d+ceomzytgnbyfntopx1ybvewqyogrtjmtigui6kmn50u29pff2so4ickieommv2z4cajbta1curvaqwdp1whgnhiyp0vnjhv++iixv8fx11hf8b8c+fujrhbs0aaaaasuvork5cyii=',
databackground: {
//数据区域的背景配置
linestyle: {
//数据区域边界线的样式配置，这里设置为透明
opacity: 0,
},
areastyle: {
//数据区域填充样式配置，这里设置为透明
opacity: 0,
},
},
selecteddatabackground: {
//选中数据区域的背景配置
linestyle: {
//选中数据区域边界线的样式配置，这里设置为透明
opacity: 0,
},
areastyle: {
// 选中数据区域填充样式配置，这里设置为透明
opacity: 0,
},
brushstyle: {
//选中数据区域的刷子样式配置，这里设置边框颜色为红色
bordercolor: '#f00',
},
},
// fillercolor: ' #a3a1fb', //数据区域的填充颜色 紫色
textstyle: {
color: 'transparent', //文本颜色，这里设置为透明
},
},
],
}
使用
<template>
<div class="mod-demo-echarts">
<el-row :gutter="20">
<el-col :span="17">
<el-card>
<div id="lucky_chart" style="min-height: 400px"></div>
</el-card>
</el-col>
</el-row>
</div>
</template>
<script>
import { deepclone } from '@/views/common'
import { echartoptions } from '@/views/common/datazoom.js'
import resizemixins from '@/views/common/mixins-resize.js'
export default {
mixins: [resizemixins],
data() {
return {
chartline: null,
mychart: null,
chartpie: null,
chartscatter: null,
}
},
mounted() {
this.initluckychart()
},
methods: {
initluckychart() {
let datazoom = deepclone(echartoptions.datazoom)
let xlabel = ['8:05', '8:10', '8:15', '8:25', '8:30', '8:35', '8:40', '8:45', '8:55', '9:00', '9:05', '9:10'] //x轴数据
let datavalue = [120, 130, 140, 135, 134, 115, 156, 115, 112, 215, 134, 142] //y轴数据1
let datavalue1 = [1.0, 3.0, 2.0, 1.0, 3, 1, 2, 3.2, 4.5, 5.0, 4.3, 3] //y轴数据2
let datavalue2 = [3, 6, 7, 15, 8, 5, 2, 5, 4, 2, 10, 3] //y轴数据3
let colors = ['#a5c5d4', '#91cc75', '#ee6666'] //颜色
let option = {
datazoom: datazoom,
color: colors,
tooltip: {
//悬浮放上面的提示
trigger: 'axis', //坐标轴触发
axispointer: {
type: 'line', //直线指示器
},
},
grid: {
right: '20%', //echarts离容器左侧的距离
},
toolbox: {
//工具栏。内置有导出图片，数据视图，动态类型切换，数据区域缩放，重置五个工具。
feature: {
dataview: { show: true, readonly: false }, //数据视图
restore: { show: true }, //重置
saveasimage: { show: true }, //下载
},
},
legend: {
//图例组件展现了不同系列的标记(symbol)，颜色和名字。可以通过点击图例控制哪些系列不显示
data: ['浊度', 'ph', '水温'], //就是图表上面正中间那3，点击某个某个就能隐藏
},
xaxis: [
{
type: 'category', //类目轴，适用于离散的类目数据。为该类型时类目数据可自动从 series.data 或 dataset.source 中取，或者可通过 xaxis.data 设置类目数据
boundarygap: false, //false从0开始,最少x会放0位置
axistick: {
//坐标轴刻度|和数据是对齐的，加上这个
alignwithlabel: true,
},
// prettier-ignore
data: xlabel, //x轴数据
},
],
yaxis: [
//直角坐标系 grid 中的 y 轴，一般情况下单个 grid 组件最多只能放左右两个 y 轴，多于两个 y 轴需要通过配置 offset 属性防止同个位置多个 y 轴的重叠。
{
type: 'value', //适用于连续数据
name: '浊度（ntu）', //坐标轴名称
position: 'left', //左边
alignticks: true, //开启该配置项自动对齐刻度
min: 0, //初始
max: 1000, //结束值
interval: 200, //间距 如果没这3，会自适应数据
axisline: {
show: false, //y轴| 是否显示
linestyle: {
color: colors[0], //颜色
},
},
splitline: {
//隐藏纵轴的横线
show: true, //展示
linestyle: {
color: '#dcdfe6 ', //虚线颜色
type: 'dashed', //虚线
},
},
axislabel: {
//纵轴文字,就是0 200 400 600 800 1000
show: true,
formatter: '{value} ',
},
},
{
type: 'value', //适用于连续数据
name: 'ph',
position: 'right', //右边
alignticks: true, //开启该配置项自动对齐刻度
min: 0, //初始
max: 14, //结束值
interval: 3, //间距 如果没这3，会自适应数据
splitline: {
show: false, //y轴| 是否显示
linestyle: {
color: '#1160a0',
type: 'solid', //实体线
},
},
axisline: {
//纵轴文字,就是0 3 6 9 12 14
show: false,
linestyle: {
color: colors[1],
},
},
axislabel: {
formatter: '{value} ',
},
},
{
type: 'value',
name: '水温（°c）',
show: true, // 添加该配置来隐藏水温纵轴
position: 'right',
alignticks: true,
min: 0,
max: 100,
interval: 20,
offset: 80, //向右偏移80
axisline: {
show: false, //y轴| 是否显示
linestyle: {
color: colors[2],
},
},
splitline: {
//隐藏纵轴的横线
show: false,
linestyle: {
color: '#dcdfe6 ',
type: 'dashed',
},
},
axislabel: {
//纵轴文字
formatter: '{value} ',
},
},
],
series: [
//数据
{
name: '浊度',
type: 'line', //折线
symbol: 'none', // 默认是空心圆（中间是白色的），改成实心圆
smooth: true, //是否平滑
color: '',
areastyle: {
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 this.$echarts.graphic.lineargradient(
0,
0,
0,
1,
[
{
offset: 0,
color: '#bed4e5',
},
{
offset: 0.6,
color: '#aac8d9',
},
{
offset: 1,
color: '#9dbec9',
},
],
false
),
},
},
data: datavalue,
},
{
name: 'ph',
type: 'line',
yaxisindex: 1, //默认是0就左边那个y轴，1是右边第一个
data: datavalue1,
},
{
name: '水温',
type: 'line',
symbol: 'none', // 默认是空心圆（中间是白色的），改成实心圆
smooth: true,
yaxisindex: 2,
areastyle: {
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 this.$echarts.graphic.lineargradient(
0,
0,
0,
1,
[
{
offset: 0,
color: '#c1a3aa',
},
{
offset: 0.6,
color: '#b19aa3',
},
{
offset: 1,
color: '#a78c95',
},
],
false
),
},
},
data: datavalue2,
},
],
}
this.mychart = this.$echarts.init(document.getelementbyid('lucky_chart'))
this.mychart.setoption(option)
},
onresize() {
this.mychart && this.mychart.resize()
// this.$refs.swiper1 && this.$refs.swiper1.resize();
},
},
}
</script>
总结
到此这篇关于前端echarts自适应分辨率和缩放功能的文章就介绍到这了,更多相关echarts自适应分辨率和缩放内容请搜索代码网以前的文章或继续浏览下面的相关文章希望大家以后多多支持代码网！
发表评论