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项目管理
HarmonyOS
代码如下，到底是哪里的问题呢
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>动态</title>
<script src="echarts.min.js"></script>
</head>
<body>
<div id="demo" style="width:640px;height:480px;"></div>
<script>
var myChart=echarts.init(document.getElementById("demo"));
option = {
title:{
text:'疲劳状态'
},
tooltip:{
trigger:'axis',
},
xAxis:[
{
type:'category',
name:'时间',
boundaryGap:false,
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:'category',
name:'疲劳状态',
boundaryGap:false,
data:['低风险','普通','高风险']
}
],
series:[
{
name:'疲劳状态',
type:'line',
data:(function(){
var res = [];
var len = 10;
while(len--){
res.push(Math.round(Math.random()*3))
}
return res;
})()
}
], };
setInterval(function(){
axisData = (new Date()).toLocaleTimeString().replace(/^\D*/,'');
var data = option.series[0].data;
//console.log(data)
data.shift();
data.push(Math.round(Math.random()*3));
option.xAxis[0].data.shift();
option.xAxis[0].data.push(axisData);
myChart.setOption(option);},2000);
</script>
</body>
</html>