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<!DOCTYPE html>
<html lang="zh-Hans-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Line</title>
<style>
body {
background: #d8d8d8;
}
.demo {
display: flex;
}
.demo section {
margin: 0 16px;
}
.demo section h2 {
padding: 16px 0;
border-bottom: 1px solid rgba(0, 0, 0, 0.15);
}
.card {
background: #fff;
padding: 24px;
}
.title {
margin: 0;
font-size: 18px;
font-weight: 500;
color: rgba(0, 0, 0, .85)
}
.description {
font-size: 14px;
color: rgba(0, 0, 0, .65);
margin-bottom: 24px;
}
</style>
</head>
<body>
<a href="/g2-demo/">home</a>
<div class="demo">
<section>
<h2>normal line</h2>
<div class="card">
<div id="normal-line"></div>
</div>
<button>hide legend</button>
</section>
<section>
<h2>title in chart</h2>
<div class="card">
<div id="title-line"></div>
</div>
</section>
<section>
<h2>title out chart</h2>
<div class="card">
<h3 class="title">多折线图</h3>
<p class="description">一个简单的多折线图</p>
<div id="dom-title-line"></div>
</div>
</section>
</div>
<script src="https://gw.alipayobjects.com/os/lib/antv/g2/4.0.14/dist/g2.min.js"></script>
<script>
let hasLegend = true
const chartColors = [
{
label: 'blue',
value: '#1890ff',
},
{
label: 'green',
value: '#52c41a',
},
{
label: 'yellow',
value: '#fadb14',
}
]
const data = [
{ x: '1604378742431', type: 'y1', y: 7.5798739232632855 },
{ x: '1604378742431', type: 'y2', y: 9.848153856503279 },
{ x: '1604378742431', type: 'y3', y: 0.04292994299113895 },
{ x: '1604380542431', type: 'y1', y: 3.8000495559751135 },
{ x: '1604380542431', type: 'y2', y: 3.5128608054318278 },
{ x: '1604380542431', type: 'y3', y: 1.7400265679781857 },
{ x: '1604382342431', type: 'y1', y: 4.885250369140048 },
{ x: '1604382342431', type: 'y2', y: 8.58344619265807 },
{ x: '1604382342431', type: 'y3', y: 9.671562095834132 },
{ x: '1604384142431', type: 'y1', y: 4.403945638738458 },
{ x: '1604384142431', type: 'y2', y: 8.603994079919568 },
{ x: '1604384142431', type: 'y3', y: 3.289908137057558 },
{ x: '1604385942431', type: 'y1', y: 3.6848376234258318 },
{ x: '1604385942431', type: 'y2', y: 7.194419737226248 },
{ x: '1604385942431', type: 'y3', y: 7.180823468041202 },
{ x: '1604387742432', type: 'y1', y: 5.541891465658684 },
{ x: '1604387742432', type: 'y2', y: 0.16547112825911148 },
{ x: '1604387742432', type: 'y3', y: 3.1126019652175785 },
{ x: '1604389542432', type: 'y1', y: 5.867644388431867 },
{ x: '1604389542432', type: 'y2', y: 6.345875840283252 },
{ x: '1604389542432', type: 'y3', y: 6.386999598537983 },
{ x: '1604391342432', type: 'y1', y: 5.953810930357564 },
{ x: '1604391342432', type: 'y2', y: 2.505006174540172 },
{ x: '1604391342432', type: 'y3', y: 4.974959674612103 },
{ x: '1604393142432', type: 'y1', y: 8.551338787969613 },
{ x: '1604393142432', type: 'y2', y: 5.932194229326344 },
{ x: '1604393142432', type: 'y3', y: 7.367637090712473 },
{ x: '1604394942432', type: 'y1', y: 8.773983474175793 },
{ x: '1604394942432', type: 'y2', y: 3.291503683777881 },
{ x: '1604394942432', type: 'y3', y: 3.4936836671195115 }
]
const normalLine = new G2.Chart({
container: 'normal-line',
autofit: true,
width: 480,
height: 250,
})
normalLine.data(data)
normalLine.scale({
x: {
tickCount: 6,
formatter: (v) => {
const date = new Date(parseInt(v))
return date.toLocaleTimeString('zh-Hans-CN', {
timeStyle: 'short',
hourCycle: 'h24'
})
}
},
y: {
tickCount: 5,
nice: true,
formatter: (v) => {
return Math.floor(v)
}
},
type: {
formatter: (v) => {
if (v === 'y1') {
return '标准'
}
if (v === 'y2') {
return '占用'
}
if (v === 'y3') {
return '配额'
}
return v
}
}
})
normalLine.axis('y',
{
grid:
{
line: {
style: { lineDash: [2, 2] }
}
}
}
)
normalLine.legend({
position: 'bottom'
})
normalLine.tooltip({
showCrosshairs: true,
shared: true
})
normalLine
.line()
.position('x*y')
.color('type', chartColors.map((v) => v.value))
normalLine.render()
const button = document.querySelector('button')
button.addEventListener('click', () => {
hasLegend = !hasLegend
normalLine.legend(hasLegend)
normalLine.render(true)
button.innerText = hasLegend ? 'hide legend' : 'show legend'
})
const titleLine = new G2.Chart({
container: 'title-line',
autofit: true,
width: 560,
height: 380,
appendPadding: [80, 0, 0, 0]
})
titleLine.data(data)
titleLine.scale({
x: {
tickCount: 6,
formatter: (v) => {
const date = new Date(parseInt(v))
return date.toLocaleTimeString('zh-Hans-CN', {
timeStyle: 'short',
hourCycle: 'h24'
})
}
},
y: {
tickCount: 5,
nice: true,
formatter: (v) => {
return Math.floor(v)
}
},
type: {
formatter: (v) => {
if (v === 'y1') {
return '标准'
}
if (v === 'y2') {
return '占用'
}
if (v === 'y3') {
return '配额'
}
return v
}
}
})
titleLine.axis('y',
{
grid:
{
line: {
style: { lineDash: [2, 2] }
}
}
}
)
titleLine.legend({
position: 'bottom'
})
titleLine.tooltip({
showCrosshairs: true,
shared: true
})
titleLine
.line()
.position('x*y')
.color('type', chartColors.map((v) => v.value))
titleLine.annotation().clear(true)
titleLine.annotation().text({
offsetY: -314,
offsetX: -20,
content: '多折线图',
style: {
fontSize: 20,
fill: '#000000',
stroke: null,
shadowColor: null
}
})
titleLine.annotation().text({
offsetY: -280,
offsetX: -20,
content: '一个简单的多折线图',
style: {
fontSize: 14,
fill: '#999999',
stroke: null,
shadowColor: null
}
})
titleLine.render()
const domTitleLine = new G2.Chart({
container: 'dom-title-line',
autofit: true,
width: 560,
height: 300,
appendPadding: [0, 0, 0, 0]
})
domTitleLine.data(data)
domTitleLine.scale({
x: {
tickCount: 6,
formatter: (v) => {
const date = new Date(parseInt(v))
return date.toLocaleTimeString('zh-Hans-CN', {
timeStyle: 'short',
hourCycle: 'h24'
})
}
},
y: {
tickCount: 5,
nice: true,
formatter: (v) => {
return Math.floor(v)
}
},
type: {
formatter: (v) => {
if (v === 'y1') {
return '标准'
}
if (v === 'y2') {
return '占用'
}
if (v === 'y3') {
return '配额'
}
return v
}
}
})
domTitleLine.axis('y',
{
grid:
{
line: {
style: { lineDash: [2, 2] }
}
}
}
)
domTitleLine.legend({
position: 'bottom'
})
domTitleLine.tooltip({
showCrosshairs: true,
shared: true
})
domTitleLine
.line()
.position('x*y')
.color('type', chartColors.map((v) => v.value))
domTitleLine.render()
</script>
</body>
</html>