Highcharts 多个Y轴动态刷新数据的实现代码

效果图：

js代码：

$(function() {
  $(document).ready(function() {
    Highcharts.setOptions({
      global: {
 useUTC: false
      }
    });
    var chart;
    chart = new Highcharts.Chart({
      chart: {
 renderTo: 'container',
 type: 'spline',
 animation: Highcharts.svg,
 // don't animate in old IE 
 marginRight: 10,
 events: {
   load: function() {}
 }
      },
      title: {
 text: 'Live random data'
      },
      xAxis: {
 type: 'datetime',
 tickPixelInterval: 150
      },
      yAxis: [{
 title: {
   text: 'Value'
 },
 plotLines: [{
   value: 0,
   width: 1,
   color: '#808080'
 }]
      },
      {
 title: {
   text: 'Name'
 },
 plotLines: [{
   value: 0,
   width: 1,
   color: '#808080'
 }]
      }],
      tooltip: {
 formatter: function() {
   return '' + this.series.name + '
' + Highcharts.dateFormat('%Y-%m-%d %H:%M:%S', this.x) + '
' + 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;
 })()
      },
      {
 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;
 })()
      }]
    }); // set up the updating of the chart each second    
    var series = chart.series[0];
    var series1 = chart.series[1];
    setInterval(function() {
      var x = (new Date()).getTime(),
      // current time     
      y = Math.random();
      series.addPoint([x, y + 1], true, true);
      series1.addPoint([x, y - 1], true, true);
    },
    1000);
  });
});

html代码：

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