效果图：
代码：
1.<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <TITLE>jQuery_CPU状态每秒刷新一次</TITLE> </HEAD> <script type="text/javascript" src="http://cdn.hcharts.cn/jquery/jquery-1.8.3.min.js"></script> <script type="text/javascript" src="http://cdn.hcharts.cn/highcharts/highcharts.js"></script> <script type="text/javascript"> //author:wangshiyu $(function () { $(document).ready(function() { Highcharts.setOptions({ global: { useUTC: false } }); var chart; $('#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 y = Math.random(); series.addPoint([x, y], true, true); }, 1000); } } }, title: { text: 'CPU状态每秒刷新一次' }, xAxis: { type: 'datetime', tickPixelInterval: 100 }, yAxis: { title: { text: 'CPU' }, 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: 'Random data', 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: Math.random() }); } return data; })() }] }); }); }); </script> <BODY> <div id="container" style="width:700px;height:400px;margin:0 auto;"></div> </body> </HTML>
