<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<!--<script type="text/javascript" src="jquery.js"></script>-->
<script type="text/javascript" src="js/echarts.js"></script>
<body>
<div id="main" style="width: 600px;height:400px;"></div>
</body>
</html>
<script type="text/javascript">
// 基于准备好的dom，初始化echarts实例
var myChart = echarts.init(document.getElementById('main'));
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,
markLine: {
itemStyle: {
normal: {
borderWidth: 1,
lineStyle: {
type: "dash",
color: 'red',
width: 2
},
label: {
formatter: 'COD',
textStyle: {
fontSize: 16,
fontWeight: "bolder"
}
},
show: true,
color: '#4c5336'
}
},
data: [{
yAxis: 900
}]
},
}],
};
// 使用刚指定的配置项和数据显示图表。
myChart.setOption(option);
setInterval(function() {
for(var i = 0; i < 5; i++) {
data.shift();
data.push(randomData());
}
myChart.setOption({
series: [{
data: data
}]
});
}, 1000);
</script>
