g214/static/bower_components/echarts/test/dynamicData2.html

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HTML

<html>
<head>
<meta charset="utf-8">
<script src="esl.js"></script>
<script src="config.js"></script>
<script src="lib/facePrint.js"></script>
<meta name="viewport" content="width=device-width, initial-scale=1" />
</head>
<body>
<style>
html, body, #main {
width: 100%;
height: 100%;
}
</style>
<div id="main"></div>
<script>
require([
'echarts',
'echarts/chart/line',
'echarts/component/tooltip',
'echarts/component/legend',
'echarts/component/grid'
], function (echarts) {
function randomData() {
return (Math.random() + 3).toFixed(3);
}
var chart = echarts.init(document.getElementById('main'), null, {
renderer: 'canvas'
});
function randomData() {
now = new Date(+now + oneDay);
value = value + Math.random() * 21 - 10;
return {
name: now.toString(),
value: [
[now.getFullYear(), now.getMonth() + 1, now.getDate()].join('/'),
Math.round(value)
]
}
}
var data = [];
var now = +new Date(1997, 9, 3);
var oneDay = 24 * 3600 * 1000;
var value = Math.random() * 1000;
for (var i = 0; i < 1000; i++) {
data.push(randomData());
}
option = {
title: {
text: '动态数据 + 时间坐标轴'
},
tooltip: {
trigger: 'axis',
formatter: function (params) {
params = params[0];
var date = new Date(params.name);
return date.getDate() + '/' + (date.getMonth() + 1) + '/' + date.getFullYear() + ' : ' + params.value[1];
},
axisPointer: {
animation: false
}
},
xAxis: {
type: 'time',
splitLine: {
show: false
}
},
yAxis: {
type: 'value',
boundaryGap: [0, '100%'],
splitLine: {
show: false
}
},
series: [{
name: '模拟数据',
type: 'line',
showSymbol: false,
hoverAnimation: false,
data: data
}]
};
setInterval(function () {
for (var i = 0; i < 5; i++) {
data.shift();
data.push(randomData());
}
chart.setOption({
series: [{
data: data
}]
});
}, 1000);
chart.setOption(option);
})
</script>
</body>
</html>