Question

highcharts 怎么获取饼图的具体数据

Answer 1

<script type="text/javascript">
$(function () {
$(document).ready(function() {
Highcharts.setOptions({
global: {
useUTC: false
}
});

var chart;
var url = "<%=root%>/virtual-machine!getCpuLoads.action?ip=${ipAddress}";
//+$('#hide').val();
$('#container').highcharts({
chart: {
type: 'spline',
animation: Highcharts.svg, // don't animate in old IE
marginRight: 10,
events: {
load: function() {
// set up the updating of the chart each second
var series = this.series[0];
setInterval(function() {
var x = (new Date()).getTime(); // current time
var y;
$.get(url, function(result){
if(!result)return;
y = parseFloat(result);
series.addPoint([x, y], true, true);// 为坐标赋值
});
}, 1000);
}
}
},
title: {
text: 'CPU使用记录'
},
xAxis: {
type: 'datetime',
tickPixelInterval: 150
},
yAxis: {
tickInterval: 20, //自定义刻度
max:100,//纵轴的最大值
min: 0,//纵轴的最小值
title: {
text: 'Value'
},
plotLines: [{
value: 0,
width: 1,
color: '#808080'
}]
},
tooltip: {
formatter: function() {
return '<b>'+ this.series.name +'</b><br/>'+
Highcharts.dateFormat('%Y-%m-%d %H:%M:%S', this.x) +'<br/>'+
Highcharts.numberFormat(this.y, 2);
}
},
legend: {
enabled: false
},
exporting: {
enabled: false
},
series: [{
name: 'CPU使用率',
data: (function() {
// generate an array of random data
var data = [],
time = (new Date()).getTime(),
i;

for (i = -19; i <= 0; i++) {
data.push({
x: time + i * 1000,
y: 0
});
}
return data;
})()
}]
});
});

});
</script>