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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