echart动态图表

来源：互联网发布：收银机软件免费编辑：程序博客网时间：2024/05/16 07:02

<!DOCTYPE html>
<html style="height: 100%">
<head>
<meta charset="utf-8">
</head>
<body style="height: 100%; margin: 0">
<div id="container" style="height: 100%"></div>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/echarts-all-3.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/extension/dataTool.min.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/map/js/china.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/map/js/world.js"></script>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=ZUONbpqGBsYGXNIYHicvbAbM"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/extension/bmap.min.js"></script>
<script type="text/javascript">
var dom = document.getElementById("container");
var myChart = echarts.init(dom);
var app = {};
option = null;
option = {
title: {
text: '动态数据',
subtext: '纯属虚构'
},
tooltip: {
trigger: 'axis'
},
legend: {
data:['最新成交价', '预购队列']
},
toolbox: {
show: true,
feature: {
dataView: {readOnly: false},
restore: {},
saveAsImage: {}
}
},
dataZoom: {
show: false,
start: 0,
end: 100
},
xAxis: [
{
type: 'category',
boundaryGap: true,
data: (function (){
var now = new Date();
var res = [];
var len = 10;
while (len--) {
res.unshift(now.toLocaleTimeString().replace(/^\D*/,''));
now = new Date(now - 2000);
}
return res;
})()
}
],
yAxis: [
{
type: 'value',
scale: true,
name: '价格',
max: 30,
min: 0,
boundaryGap: [0.2, 0.2]
}
],
series: [

{
name:'最新成交价',
type:'line',
data:(function (){
var res = [];
var len = 0;
while (len < 10) {
res.push((Math.random()*10 + 5).toFixed(1) - 0);
len++;
}
return res;
})()
}
]
};
clearInterval(app.timeTicket);
app.count = 11;
app.timeTicket = setInterval(function (){
axisData = (new Date()).toLocaleTimeString().replace(/^\D*/,'');

var data0 = option.series[0].data;
data0.shift();
data0.push((Math.random() * 10 + 5).toFixed(1) - 0);

option.xAxis[0].data.shift();
option.xAxis[0].data.push(app.count++);

myChart.setOption(option);
}, 2100);
;
if (option && typeof option === "object") {
myChart.setOption(option, true);
}
</script>
</body>
</html>

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