如何使高图表标记具有相对日期的日期时间 X 轴

Question

我有以下显示多条曲线的图表。这些曲线都发生在不同的时间，但我正在对齐它们，以便可以将它们视为同时发生。您可以通过将鼠标悬停在每个点上来查看该点的实际日期。

//set global chart options
$(document).ready(function() {
  Highcharts.setOptions({
    xAxis: {
      type: 'datetime',
    },
    yAxis: [{
      title: {
        text: 'FIXME',
        style: {
          color: '#4bb2c5',
        },
      },
      min: 0,
      maxPadding: 0,
    }, ],
    legend: {
      labelFormat: '<span style="font-size: xx-small;">{name}</span>',
    },
    tooltip: {
      formatter: function() {
        return Highcharts.dateFormat('%B %e, %Y', this.point.name) + "<br>Cases: " + this.point.y;
      }
    },
  });
  drawGraphMultipleCurves();
});
var plotMultipleCurves = null;
function drawGraphMultipleCurves() {
  //no need to redraw if we've already drawn the graph
  if (plotMultipleCurves != null)
    return;
  //shifted cumulative time series
  var cumulativeTimeSeriesMultipleCurves549 = [
    {
      x: Date.UTC(2001, 8, 1, 0),
      y: 1,
      name: Date.UTC(2008, 9, 27, 0),
    },
    {
      x: Date.UTC(2001, 8, 8, 0),
      y: 2,
      name: Date.UTC(2008, 10, 3, 0),
    },
    {
      x: Date.UTC(2001, 8, 15, 0),
      y: 7,
      name: Date.UTC(2008, 10, 10, 0),
    },
    {
      x: Date.UTC(2001, 8, 22, 0),
      y: 14,
      name: Date.UTC(2008, 10, 17, 0),
    },
    {
      x: Date.UTC(2001, 8, 29, 0),
      y: 33,
      name: Date.UTC(2008, 10, 24, 0),
    },
    {
      x: Date.UTC(2001, 9, 6, 0),
      y: 50,
      name: Date.UTC(2008, 11, 1, 0),
    },
    {
      x: Date.UTC(2001, 9, 13, 0),
      y: 65,
      name: Date.UTC(2008, 11, 8, 0),
    },
    {
      x: Date.UTC(2001, 9, 20, 0),
      y: 97,
      name: Date.UTC(2008, 11, 15, 0),
    },
    {
      x: Date.UTC(2001, 9, 27, 0),
      y: 128,
      name: Date.UTC(2008, 11, 22, 0),
    },
    {
      x: Date.UTC(2001, 10, 3, 0),
      y: 192,
      name: Date.UTC(2008, 11, 29, 0),
    },
    {
      x: Date.UTC(2001, 10, 10, 0),
      y: 239,
      name: Date.UTC(2009, 0, 5, 0),
    },
    {
      x: Date.UTC(2001, 10, 17, 0),
      y: 298,
      name: Date.UTC(2009, 0, 12, 0),
    },
    {
      x: Date.UTC(2001, 10, 24, 0),
      y: 366,
      name: Date.UTC(2009, 0, 19, 0),
    },
    {
      x: Date.UTC(2001, 11, 1, 0),
      y: 439,
      name: Date.UTC(2009, 0, 26, 0),
    },
    {
      x: Date.UTC(2001, 11, 8, 0),
      y: 543,
      name: Date.UTC(2009, 1, 2, 0),
    },
    {
      x: Date.UTC(2001, 11, 15, 0),
      y: 623,
      name: Date.UTC(2009, 1, 9, 0),
    },
    {
      x: Date.UTC(2001, 11, 22, 0),
      y: 692,
      name: Date.UTC(2009, 1, 16, 0),
    },
    {
      x: Date.UTC(2001, 11, 29, 0),
      y: 738,
      name: Date.UTC(2009, 1, 23, 0),
    },
    {
      x: Date.UTC(2002, 0, 5, 0),
      y: 783,
      name: Date.UTC(2009, 2, 2, 0),
    },
    {
      x: Date.UTC(2002, 0, 12, 0),
      y: 819,
      name: Date.UTC(2009, 2, 9, 0),
    },
    {
      x: Date.UTC(2002, 0, 19, 0),
      y: 836,
      name: Date.UTC(2009, 2, 16, 0),
    },
    {
      x: Date.UTC(2002, 0, 26, 0),
      y: 850,
      name: Date.UTC(2009, 2, 23, 0),
    },
    {
      x: Date.UTC(2002, 1, 2, 0),
      y: 864,
      name: Date.UTC(2009, 2, 30, 0),
    },
    {
      x: Date.UTC(2002, 1, 9, 0),
      y: 875,
      name: Date.UTC(2009, 3, 6, 0),
    },
    {
      x: Date.UTC(2002, 1, 16, 0),
      y: 881,
      name: Date.UTC(2009, 3, 13, 0),
    },
    {
      x: Date.UTC(2002, 1, 23, 0),
      y: 884,
      name: Date.UTC(2009, 3, 20, 0),
    },
    {
      x: Date.UTC(2002, 2, 2, 0),
      y: 885,
      name: Date.UTC(2009, 3, 27, 0),
    },
    {
      x: Date.UTC(2002, 2, 9, 0),
      y: 888,
      name: Date.UTC(2009, 4, 4, 0),
    },
    {
      x: Date.UTC(2002, 2, 16, 0),
      y: 890,
      name: Date.UTC(2009, 4, 11, 0),
    },
    {
      x: Date.UTC(2002, 2, 23, 0),
      y: 892,
      name: Date.UTC(2009, 4, 18, 0),
    },
  ];
  //shifted cumulative time series
  var cumulativeTimeSeriesMultipleCurves805 = [
    {
      x: Date.UTC(2001, 8, 1, 0),
      y: 2,
      name: Date.UTC(2012, 8, 26, 0),
    },
    {
      x: Date.UTC(2001, 8, 2, 0),
      y: 4,
      name: Date.UTC(2012, 8, 27, 0),
    },
    {
      x: Date.UTC(2001, 8, 3, 0),
      y: 5,
      name: Date.UTC(2012, 8, 28, 0),
    },
    {
      x: Date.UTC(2001, 8, 4, 0),
      y: 7,
      name: Date.UTC(2012, 8, 29, 0),
    },
    {
      x: Date.UTC(2001, 8, 5, 0),
      y: 9,
      name: Date.UTC(2012, 8, 30, 0),
    },
    {
      x: Date.UTC(2001, 8, 6, 0),
      y: 19,
      name: Date.UTC(2012, 9, 1, 0),
    },
    {
      x: Date.UTC(2001, 8, 7, 0),
      y: 34,
      name: Date.UTC(2012, 9, 2, 0),
    },
    {
      x: Date.UTC(2001, 8, 8, 0),
      y: 53,
      name: Date.UTC(2012, 9, 3, 0),
    },
    {
      x: Date.UTC(2001, 8, 9, 0),
      y: 88,
      name: Date.UTC(2012, 9, 4, 0),
    },
    {
      x: Date.UTC(2001, 8, 10, 0),
      y: 114,
      name: Date.UTC(2012, 9, 5, 0),
    },
    {
      x: Date.UTC(2001, 8, 11, 0),
      y: 129,
      name: Date.UTC(2012, 9, 6, 0),
    },
    {
      x: Date.UTC(2001, 8, 12, 0),
      y: 154,
      name: Date.UTC(2012, 9, 7, 0),
    },
    {
      x: Date.UTC(2001, 8, 13, 0),
      y: 186,
      name: Date.UTC(2012, 9, 8, 0),
    },
    {
      x: Date.UTC(2001, 8, 14, 0),
      y: 212,
      name: Date.UTC(2012, 9, 9, 0),
    },
    {
      x: Date.UTC(2001, 8, 15, 0),
      y: 231,
      name: Date.UTC(2012, 9, 10, 0),
    },
    {
      x: Date.UTC(2001, 8, 16, 0),
      y: 269,
      name: Date.UTC(2012, 9, 11, 0),
    },
    {
      x: Date.UTC(2001, 8, 17, 0),
      y: 300,
      name: Date.UTC(2012, 9, 12, 0),
    },
    {
      x: Date.UTC(2001, 8, 18, 0),
      y: 317,
      name: Date.UTC(2012, 9, 13, 0),
    },
    {
      x: Date.UTC(2001, 8, 19, 0),
      y: 327,
      name: Date.UTC(2012, 9, 14, 0),
    },
    {
      x: Date.UTC(2001, 8, 20, 0),
      y: 352,
      name: Date.UTC(2012, 9, 15, 0),
    },
    {
      x: Date.UTC(2001, 8, 21, 0),
      y: 381,
      name: Date.UTC(2012, 9, 16, 0),
    },
    {
      x: Date.UTC(2001, 8, 22, 0),
      y: 412,
      name: Date.UTC(2012, 9, 17, 0),
    },
    {
      x: Date.UTC(2001, 8, 23, 0),
      y: 441,
      name: Date.UTC(2012, 9, 18, 0),
    },
    {
      x: Date.UTC(2001, 8, 24, 0),
      y: 489,
      name: Date.UTC(2012, 9, 19, 0),
    },
    {
      x: Date.UTC(2001, 8, 25, 0),
      y: 507,
      name: Date.UTC(2012, 9, 20, 0),
    },
    {
      x: Date.UTC(2001, 8, 26, 0),
      y: 546,
      name: Date.UTC(2012, 9, 21, 0),
    },
    {
      x: Date.UTC(2001, 8, 27, 0),
      y: 605,
      name: Date.UTC(2012, 9, 22, 0),
    },
    {
      x: Date.UTC(2001, 8, 28, 0),
      y: 656,
      name: Date.UTC(2012, 9, 23, 0),
    },
    {
      x: Date.UTC(2001, 8, 29, 0),
      y: 701,
      name: Date.UTC(2012, 9, 24, 0),
    },
    {
      x: Date.UTC(2001, 8, 30, 0),
      y: 762,
      name: Date.UTC(2012, 9, 25, 0),
    },
    {
      x: Date.UTC(2001, 9, 1, 0),
      y: 832,
      name: Date.UTC(2012, 9, 26, 0),
    },
    {
      x: Date.UTC(2001, 9, 2, 0),
      y: 894,
      name: Date.UTC(2012, 9, 27, 0),
    },
    {
      x: Date.UTC(2001, 9, 3, 0),
      y: 941,
      name: Date.UTC(2012, 9, 28, 0),
    },
    {
      x: Date.UTC(2001, 9, 4, 0),
      y: 959,
      name: Date.UTC(2012, 9, 29, 0),
    },
    {
      x: Date.UTC(2001, 9, 5, 0),
      y: 980,
      name: Date.UTC(2012, 9, 30, 0),
    },
    {
      x: Date.UTC(2001, 9, 6, 0),
      y: 1005,
      name: Date.UTC(2012, 9, 31, 0),
    },
    {
      x: Date.UTC(2001, 9, 7, 0),
      y: 1036,
      name: Date.UTC(2012, 10, 1, 0),
    },
    {
      x: Date.UTC(2001, 9, 8, 0),
      y: 1062,
      name: Date.UTC(2012, 10, 2, 0),
    },
    {
      x: Date.UTC(2001, 9, 9, 0),
      y: 1074,
      name: Date.UTC(2012, 10, 3, 0),
    },
    {
      x: Date.UTC(2001, 9, 10, 0),
      y: 1105,
      name: Date.UTC(2012, 10, 4, 0),
    },
    {
      x: Date.UTC(2001, 9, 11, 0),
      y: 1154,
      name: Date.UTC(2012, 10, 5, 0),
    },
    {
      x: Date.UTC(2001, 9, 12, 0),
      y: 1192,
      name: Date.UTC(2012, 10, 6, 0),
    },
    {
      x: Date.UTC(2001, 9, 13, 0),
      y: 1218,
      name: Date.UTC(2012, 10, 7, 0),
    },
    {
      x: Date.UTC(2001, 9, 14, 0),
      y: 1268,
      name: Date.UTC(2012, 10, 8, 0),
    },
    {
      x: Date.UTC(2001, 9, 15, 0),
      y: 1302,
      name: Date.UTC(2012, 10, 9, 0),
    },
    {
      x: Date.UTC(2001, 9, 16, 0),
      y: 1332,
      name: Date.UTC(2012, 10, 10, 0),
    },
    {
      x: Date.UTC(2001, 9, 17, 0),
      y: 1357,
      name: Date.UTC(2012, 10, 11, 0),
    },
  ];
  //shifted cumulative time series
  var cumulativeTimeSeriesMultipleCurves534 = [
    {
      x: Date.UTC(2001, 8, 1, 0),
      y: 0,
      name: Date.UTC(2006, 0, 1, 0),
    },
    {
      x: Date.UTC(2001, 9, 2, 0),
      y: 1,
      name: Date.UTC(2006, 1, 1, 0),
    },
    {
      x: Date.UTC(2001, 9, 30, 0),
      y: 1,
      name: Date.UTC(2006, 2, 1, 0),
    },
    {
      x: Date.UTC(2001, 10, 30, 0),
      y: 1,
      name: Date.UTC(2006, 3, 1, 0),
    },
    {
      x: Date.UTC(2001, 11, 30, 0),
      y: 5,
      name: Date.UTC(2006, 4, 1, 0),
    },
    {
      x: Date.UTC(2002, 0, 30, 0),
      y: 9,
      name: Date.UTC(2006, 5, 1, 0),
    },
    {
      x: Date.UTC(2002, 2, 1, 0),
      y: 21,
      name: Date.UTC(2006, 6, 1, 0),
    },
    {
      x: Date.UTC(2002, 3, 1, 0),
      y: 301,
      name: Date.UTC(2006, 7, 1, 0),
    },
    {
      x: Date.UTC(2002, 4, 2, 0),
      y: 735,
      name: Date.UTC(2006, 8, 1, 0),
    },
    {
      x: Date.UTC(2002, 5, 1, 0),
      y: 964,
      name: Date.UTC(2006, 9, 1, 0),
    },
    {
      x: Date.UTC(2002, 6, 2, 0),
      y: 1041,
      name: Date.UTC(2006, 10, 1, 0),
    },
    {
      x: Date.UTC(2002, 7, 1, 0),
      y: 1044,
      name: Date.UTC(2006, 11, 1, 0),
    },
    {
      x: Date.UTC(2002, 8, 1, 0),
      y: 1044,
      name: Date.UTC(2007, 0, 1, 0),
    },
  ];
  //shifted cumulative time series
  var cumulativeTimeSeriesMultipleCurves550 = [
    {
      x: Date.UTC(2001, 8, 1, 0),
      y: 222,
      name: Date.UTC(2001, 8, 1, 0),
    },
    {
      x: Date.UTC(2001, 9, 1, 0),
      y: 546,
      name: Date.UTC(2001, 9, 1, 0),
    },
    {
      x: Date.UTC(2001, 10, 1, 0),
      y: 920,
      name: Date.UTC(2001, 10, 1, 0),
    },
    {
      x: Date.UTC(2001, 11, 1, 0),
      y: 2247,
      name: Date.UTC(2001, 11, 1, 0),
    },
    {
      x: Date.UTC(2002, 0, 1, 0),
      y: 70613,
      name: Date.UTC(2002, 0, 1, 0),
    },
    {
      x: Date.UTC(2002, 1, 1, 0),
      y: 108834,
      name: Date.UTC(2002, 1, 1, 0),
    },
    {
      x: Date.UTC(2002, 2, 1, 0),
      y: 161916,
      name: Date.UTC(2002, 2, 1, 0),
    },
    {
      x: Date.UTC(2002, 3, 1, 0),
      y: 168862,
      name: Date.UTC(2002, 3, 1, 0),
    },
    {
      x: Date.UTC(2002, 4, 1, 0),
      y: 170018,
      name: Date.UTC(2002, 4, 1, 0),
    },
    {
      x: Date.UTC(2002, 5, 1, 0),
      y: 170170,
      name: Date.UTC(2002, 5, 1, 0),
    },
    {
      x: Date.UTC(2002, 6, 1, 0),
      y: 170252,
      name: Date.UTC(2002, 6, 1, 0),
    },
    {
      x: Date.UTC(2002, 7, 1, 0),
      y: 170324,
      name: Date.UTC(2002, 7, 1, 0),
    },
    {
      x: Date.UTC(2002, 8, 1, 0),
      y: 170379,
      name: Date.UTC(2002, 8, 1, 0),
    },
  ];
  //shifted cumulative time series
  var cumulativeTimeSeriesMultipleCurves537 = [
    {
      x: Date.UTC(2001, 8, 1, 0),
      y: 202,
      name: Date.UTC(2006, 11, 1, 0),
    },
    {
      x: Date.UTC(2001, 9, 2, 0),
      y: 453,
      name: Date.UTC(2007, 0, 1, 0),
    },
    {
      x: Date.UTC(2001, 10, 2, 0),
      y: 640,
      name: Date.UTC(2007, 1, 1, 0),
    },
    {
      x: Date.UTC(2001, 10, 30, 0),
      y: 931,
      name: Date.UTC(2007, 2, 1, 0),
    },
    {
      x: Date.UTC(2001, 11, 31, 0),
      y: 1387,
      name: Date.UTC(2007, 3, 1, 0),
    },
    {
      x: Date.UTC(2002, 0, 30, 0),
      y: 2256,
      name: Date.UTC(2007, 4, 1, 0),
    },
    {
      x: Date.UTC(2002, 2, 2, 0),
      y: 3701,
      name: Date.UTC(2007, 5, 1, 0),
    },
    {
      x: Date.UTC(2002, 3, 1, 0),
      y: 5302,
      name: Date.UTC(2007, 6, 1, 0),
    },
    {
      x: Date.UTC(2002, 4, 2, 0),
      y: 6353,
      name: Date.UTC(2007, 7, 1, 0),
    },
    {
      x: Date.UTC(2002, 5, 2, 0),
      y: 7156,
      name: Date.UTC(2007, 8, 1, 0),
    },
    {
      x: Date.UTC(2002, 6, 2, 0),
      y: 7804,
      name: Date.UTC(2007, 9, 1, 0),
    },
    {
      x: Date.UTC(2002, 7, 2, 0),
      y: 8351,
      name: Date.UTC(2007, 10, 1, 0),
    },
    {
      x: Date.UTC(2002, 8, 1, 0),
      y: 8839,
      name: Date.UTC(2007, 11, 1, 0),
    },
  ];
  //plot the graph
  plotMultipleCurves = new Highcharts.Chart({
    chart: {
      renderTo: 'multipleCurves',
    },
    title: {
      text: 'Outbreak comparison',
    },
    series: [
      {
        data: cumulativeTimeSeriesMultipleCurves549,
        name: '64% | Australia (2008)',
        pointPlacement: 'between',
        zIndex: 5,
        marker: {
          enabled: false,
        },
        color: '#800026',
      },
      {
        data: cumulativeTimeSeriesMultipleCurves805,
        name: '52% | Portugal (2012)',
        pointPlacement: 'between',
        zIndex: 4,
        marker: {
          enabled: false,
        },
        color: '#fd9841',
      },
      {
        data: cumulativeTimeSeriesMultipleCurves534,
        name: '46% | China (2006)',
        pointPlacement: 'between',
        zIndex: 3,
        marker: {
          enabled: false,
        },
        color: '#fee288',
      },
      {
        data: cumulativeTimeSeriesMultipleCurves550,
        name: '46% | Brazil (2001)',
        pointPlacement: 'between',
        zIndex: 2,
        marker: {
          enabled: false,
        },
        color: '#ffe691',
      },
      {
        data: cumulativeTimeSeriesMultipleCurves537,
        name: '45% | Singapore (2006)',
        pointPlacement: 'between',
        zIndex: 1,
        marker: {
          enabled: false,
        },
        color: '#ffeda0',
      },
    ],
    xAxis: [{
      labels: {
        enabled: false,
      },
      tickLength: 0,
      title: {
        text: 'Time',
      },
    }],
    yAxis: [{
      title: {
        text: 'Cumulative cases',
      },
      min: 0,
      maxPadding: 0,
    }],
  });
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://code.highcharts.com/2.2.4/highcharts.js"></script>
<script src="https://code.highcharts.com/2.2.4/highcharts-more.js"></script>
<div id="multipleCurves"></div>

现在的问题是 X 轴刻度/标签是空白的。允许 Highcharts 为 X 轴标签放置日期显然没有意义。我想放置相对日期，而不是放置绝对日期。基本上，我想要一种方法来确定最长的时间序列有多长并适当地缩放相对标签。以下是一些示例：

• 在我上面显示的图表中，具有诸如"第 1 个月"、"第 2 个月"、"第 3 个月"等标签是有意义的。而且，如果标签/刻度太多，那么它将跳过适当的数量（例如，"第 1 个月"、"第 4 个月"、"第 7 个月"）
• 如果最长的时间序列要短得多（例如 30 天），则标签将是"第 1 天"、"第 2 天"等。同样，它会在适当的时候跳过标签/刻度（例如，"第 1 天"、"第 8 天"、"第 15 天"）。

如何在Highcharts中实现这一点？

Answer 1

您可以使用

xAxis.labels.formatter，例如：

//set global chart options
$(document).ready(function() {
  Highcharts.setOptions({
    xAxis: {
      type: 'datetime',
    },
    yAxis: [{
      title: {
        text: 'FIXME',
        style: {
          color: '#4bb2c5',
        },
      },
      min: 0,
      maxPadding: 0,
    }, ],
    legend: {
      labelFormat: '<span style="font-size: xx-small;">{name}</span>',
    },
    tooltip: {
      formatter: function() {
        return Highcharts.dateFormat('%B %e, %Y', this.point.name) + "<br>Cases: " + this.point.y;
      }
    },
  });
  drawGraphMultipleCurves();
});
var plotMultipleCurves = null;
function drawGraphMultipleCurves() {
  //no need to redraw if we've already drawn the graph
  if (plotMultipleCurves != null)
    return;
  //shifted cumulative time series
  var cumulativeTimeSeriesMultipleCurves549 = [
    {
      x: Date.UTC(2001, 8, 1, 0),
      y: 1,
      name: Date.UTC(2008, 9, 27, 0),
    },
    {
      x: Date.UTC(2001, 8, 8, 0),
      y: 2,
      name: Date.UTC(2008, 10, 3, 0),
    },
    {
      x: Date.UTC(2001, 8, 15, 0),
      y: 7,
      name: Date.UTC(2008, 10, 10, 0),
    },
    {
      x: Date.UTC(2001, 8, 22, 0),
      y: 14,
      name: Date.UTC(2008, 10, 17, 0),
    },
    {
      x: Date.UTC(2001, 8, 29, 0),
      y: 33,
      name: Date.UTC(2008, 10, 24, 0),
    },
    {
      x: Date.UTC(2001, 9, 6, 0),
      y: 50,
      name: Date.UTC(2008, 11, 1, 0),
    },
    {
      x: Date.UTC(2001, 9, 13, 0),
      y: 65,
      name: Date.UTC(2008, 11, 8, 0),
    },
    {
      x: Date.UTC(2001, 9, 20, 0),
      y: 97,
      name: Date.UTC(2008, 11, 15, 0),
    },
    {
      x: Date.UTC(2001, 9, 27, 0),
      y: 128,
      name: Date.UTC(2008, 11, 22, 0),
    },
    {
      x: Date.UTC(2001, 10, 3, 0),
      y: 192,
      name: Date.UTC(2008, 11, 29, 0),
    },
    {
      x: Date.UTC(2001, 10, 10, 0),
      y: 239,
      name: Date.UTC(2009, 0, 5, 0),
    },
    {
      x: Date.UTC(2001, 10, 17, 0),
      y: 298,
      name: Date.UTC(2009, 0, 12, 0),
    },
    {
      x: Date.UTC(2001, 10, 24, 0),
      y: 366,
      name: Date.UTC(2009, 0, 19, 0),
    },
    {
      x: Date.UTC(2001, 11, 1, 0),
      y: 439,
      name: Date.UTC(2009, 0, 26, 0),
    },
    {
      x: Date.UTC(2001, 11, 8, 0),
      y: 543,
      name: Date.UTC(2009, 1, 2, 0),
    },
    {
      x: Date.UTC(2001, 11, 15, 0),
      y: 623,
      name: Date.UTC(2009, 1, 9, 0),
    },
    {
      x: Date.UTC(2001, 11, 22, 0),
      y: 692,
      name: Date.UTC(2009, 1, 16, 0),
    },
    {
      x: Date.UTC(2001, 11, 29, 0),
      y: 738,
      name: Date.UTC(2009, 1, 23, 0),
    },
    {
      x: Date.UTC(2002, 0, 5, 0),
      y: 783,
      name: Date.UTC(2009, 2, 2, 0),
    },
    {
      x: Date.UTC(2002, 0, 12, 0),
      y: 819,
      name: Date.UTC(2009, 2, 9, 0),
    },
    {
      x: Date.UTC(2002, 0, 19, 0),
      y: 836,
      name: Date.UTC(2009, 2, 16, 0),
    },
    {
      x: Date.UTC(2002, 0, 26, 0),
      y: 850,
      name: Date.UTC(2009, 2, 23, 0),
    },
    {
      x: Date.UTC(2002, 1, 2, 0),
      y: 864,
      name: Date.UTC(2009, 2, 30, 0),
    },
    {
      x: Date.UTC(2002, 1, 9, 0),
      y: 875,
      name: Date.UTC(2009, 3, 6, 0),
    },
    {
      x: Date.UTC(2002, 1, 16, 0),
      y: 881,
      name: Date.UTC(2009, 3, 13, 0),
    },
    {
      x: Date.UTC(2002, 1, 23, 0),
      y: 884,
      name: Date.UTC(2009, 3, 20, 0),
    },
    {
      x: Date.UTC(2002, 2, 2, 0),
      y: 885,
      name: Date.UTC(2009, 3, 27, 0),
    },
    {
      x: Date.UTC(2002, 2, 9, 0),
      y: 888,
      name: Date.UTC(2009, 4, 4, 0),
    },
    {
      x: Date.UTC(2002, 2, 16, 0),
      y: 890,
      name: Date.UTC(2009, 4, 11, 0),
    },
    {
      x: Date.UTC(2002, 2, 23, 0),
      y: 892,
      name: Date.UTC(2009, 4, 18, 0),
    },
  ];
  //shifted cumulative time series
  var cumulativeTimeSeriesMultipleCurves805 = [
    {
      x: Date.UTC(2001, 8, 1, 0),
      y: 2,
      name: Date.UTC(2012, 8, 26, 0),
    },
    {
      x: Date.UTC(2001, 8, 2, 0),
      y: 4,
      name: Date.UTC(2012, 8, 27, 0),
    },
    {
      x: Date.UTC(2001, 8, 3, 0),
      y: 5,
      name: Date.UTC(2012, 8, 28, 0),
    },
    {
      x: Date.UTC(2001, 8, 4, 0),
      y: 7,
      name: Date.UTC(2012, 8, 29, 0),
    },
    {
      x: Date.UTC(2001, 8, 5, 0),
      y: 9,
      name: Date.UTC(2012, 8, 30, 0),
    },
    {
      x: Date.UTC(2001, 8, 6, 0),
      y: 19,
      name: Date.UTC(2012, 9, 1, 0),
    },
    {
      x: Date.UTC(2001, 8, 7, 0),
      y: 34,
      name: Date.UTC(2012, 9, 2, 0),
    },
    {
      x: Date.UTC(2001, 8, 8, 0),
      y: 53,
      name: Date.UTC(2012, 9, 3, 0),
    },
    {
      x: Date.UTC(2001, 8, 9, 0),
      y: 88,
      name: Date.UTC(2012, 9, 4, 0),
    },
    {
      x: Date.UTC(2001, 8, 10, 0),
      y: 114,
      name: Date.UTC(2012, 9, 5, 0),
    },
    {
      x: Date.UTC(2001, 8, 11, 0),
      y: 129,
      name: Date.UTC(2012, 9, 6, 0),
    },
    {
      x: Date.UTC(2001, 8, 12, 0),
      y: 154,
      name: Date.UTC(2012, 9, 7, 0),
    },
    {
      x: Date.UTC(2001, 8, 13, 0),
      y: 186,
      name: Date.UTC(2012, 9, 8, 0),
    },
    {
      x: Date.UTC(2001, 8, 14, 0),
      y: 212,
      name: Date.UTC(2012, 9, 9, 0),
    },
    {
      x: Date.UTC(2001, 8, 15, 0),
      y: 231,
      name: Date.UTC(2012, 9, 10, 0),
    },
    {
      x: Date.UTC(2001, 8, 16, 0),
      y: 269,
      name: Date.UTC(2012, 9, 11, 0),
    },
    {
      x: Date.UTC(2001, 8, 17, 0),
      y: 300,
      name: Date.UTC(2012, 9, 12, 0),
    },
    {
      x: Date.UTC(2001, 8, 18, 0),
      y: 317,
      name: Date.UTC(2012, 9, 13, 0),
    },
    {
      x: Date.UTC(2001, 8, 19, 0),
      y: 327,
      name: Date.UTC(2012, 9, 14, 0),
    },
    {
      x: Date.UTC(2001, 8, 20, 0),
      y: 352,
      name: Date.UTC(2012, 9, 15, 0),
    },
    {
      x: Date.UTC(2001, 8, 21, 0),
      y: 381,
      name: Date.UTC(2012, 9, 16, 0),
    },
    {
      x: Date.UTC(2001, 8, 22, 0),
      y: 412,
      name: Date.UTC(2012, 9, 17, 0),
    },
    {
      x: Date.UTC(2001, 8, 23, 0),
      y: 441,
      name: Date.UTC(2012, 9, 18, 0),
    },
    {
      x: Date.UTC(2001, 8, 24, 0),
      y: 489,
      name: Date.UTC(2012, 9, 19, 0),
    },
    {
      x: Date.UTC(2001, 8, 25, 0),
      y: 507,
      name: Date.UTC(2012, 9, 20, 0),
    },
    {
      x: Date.UTC(2001, 8, 26, 0),
      y: 546,
      name: Date.UTC(2012, 9, 21, 0),
    },
    {
      x: Date.UTC(2001, 8, 27, 0),
      y: 605,
      name: Date.UTC(2012, 9, 22, 0),
    },
    {
      x: Date.UTC(2001, 8, 28, 0),
      y: 656,
      name: Date.UTC(2012, 9, 23, 0),
    },
    {
      x: Date.UTC(2001, 8, 29, 0),
      y: 701,
      name: Date.UTC(2012, 9, 24, 0),
    },
    {
      x: Date.UTC(2001, 8, 30, 0),
      y: 762,
      name: Date.UTC(2012, 9, 25, 0),
    },
    {
      x: Date.UTC(2001, 9, 1, 0),
      y: 832,
      name: Date.UTC(2012, 9, 26, 0),
    },
    {
      x: Date.UTC(2001, 9, 2, 0),
      y: 894,
      name: Date.UTC(2012, 9, 27, 0),
    },
    {
      x: Date.UTC(2001, 9, 3, 0),
      y: 941,
      name: Date.UTC(2012, 9, 28, 0),
    },
    {
      x: Date.UTC(2001, 9, 4, 0),
      y: 959,
      name: Date.UTC(2012, 9, 29, 0),
    },
    {
      x: Date.UTC(2001, 9, 5, 0),
      y: 980,
      name: Date.UTC(2012, 9, 30, 0),
    },
    {
      x: Date.UTC(2001, 9, 6, 0),
      y: 1005,
      name: Date.UTC(2012, 9, 31, 0),
    },
    {
      x: Date.UTC(2001, 9, 7, 0),
      y: 1036,
      name: Date.UTC(2012, 10, 1, 0),
    },
    {
      x: Date.UTC(2001, 9, 8, 0),
      y: 1062,
      name: Date.UTC(2012, 10, 2, 0),
    },
    {
      x: Date.UTC(2001, 9, 9, 0),
      y: 1074,
      name: Date.UTC(2012, 10, 3, 0),
    },
    {
      x: Date.UTC(2001, 9, 10, 0),
      y: 1105,
      name: Date.UTC(2012, 10, 4, 0),
    },
    {
      x: Date.UTC(2001, 9, 11, 0),
      y: 1154,
      name: Date.UTC(2012, 10, 5, 0),
    },
    {
      x: Date.UTC(2001, 9, 12, 0),
      y: 1192,
      name: Date.UTC(2012, 10, 6, 0),
    },
    {
      x: Date.UTC(2001, 9, 13, 0),
      y: 1218,
      name: Date.UTC(2012, 10, 7, 0),
    },
    {
      x: Date.UTC(2001, 9, 14, 0),
      y: 1268,
      name: Date.UTC(2012, 10, 8, 0),
    },
    {
      x: Date.UTC(2001, 9, 15, 0),
      y: 1302,
      name: Date.UTC(2012, 10, 9, 0),
    },
    {
      x: Date.UTC(2001, 9, 16, 0),
      y: 1332,
      name: Date.UTC(2012, 10, 10, 0),
    },
    {
      x: Date.UTC(2001, 9, 17, 0),
      y: 1357,
      name: Date.UTC(2012, 10, 11, 0),
    },
  ];
  //shifted cumulative time series
  var cumulativeTimeSeriesMultipleCurves534 = [
    {
      x: Date.UTC(2001, 8, 1, 0),
      y: 0,
      name: Date.UTC(2006, 0, 1, 0),
    },
    {
      x: Date.UTC(2001, 9, 2, 0),
      y: 1,
      name: Date.UTC(2006, 1, 1, 0),
    },
    {
      x: Date.UTC(2001, 9, 30, 0),
      y: 1,
      name: Date.UTC(2006, 2, 1, 0),
    },
    {
      x: Date.UTC(2001, 10, 30, 0),
      y: 1,
      name: Date.UTC(2006, 3, 1, 0),
    },
    {
      x: Date.UTC(2001, 11, 30, 0),
      y: 5,
      name: Date.UTC(2006, 4, 1, 0),
    },
    {
      x: Date.UTC(2002, 0, 30, 0),
      y: 9,
      name: Date.UTC(2006, 5, 1, 0),
    },
    {
      x: Date.UTC(2002, 2, 1, 0),
      y: 21,
      name: Date.UTC(2006, 6, 1, 0),
    },
    {
      x: Date.UTC(2002, 3, 1, 0),
      y: 301,
      name: Date.UTC(2006, 7, 1, 0),
    },
    {
      x: Date.UTC(2002, 4, 2, 0),
      y: 735,
      name: Date.UTC(2006, 8, 1, 0),
    },
    {
      x: Date.UTC(2002, 5, 1, 0),
      y: 964,
      name: Date.UTC(2006, 9, 1, 0),
    },
    {
      x: Date.UTC(2002, 6, 2, 0),
      y: 1041,
      name: Date.UTC(2006, 10, 1, 0),
    },
    {
      x: Date.UTC(2002, 7, 1, 0),
      y: 1044,
      name: Date.UTC(2006, 11, 1, 0),
    },
    {
      x: Date.UTC(2002, 8, 1, 0),
      y: 1044,
      name: Date.UTC(2007, 0, 1, 0),
    },
  ];
  //shifted cumulative time series
  var cumulativeTimeSeriesMultipleCurves550 = [
    {
      x: Date.UTC(2001, 8, 1, 0),
      y: 222,
      name: Date.UTC(2001, 8, 1, 0),
    },
    {
      x: Date.UTC(2001, 9, 1, 0),
      y: 546,
      name: Date.UTC(2001, 9, 1, 0),
    },
    {
      x: Date.UTC(2001, 10, 1, 0),
      y: 920,
      name: Date.UTC(2001, 10, 1, 0),
    },
    {
      x: Date.UTC(2001, 11, 1, 0),
      y: 2247,
      name: Date.UTC(2001, 11, 1, 0),
    },
    {
      x: Date.UTC(2002, 0, 1, 0),
      y: 70613,
      name: Date.UTC(2002, 0, 1, 0),
    },
    {
      x: Date.UTC(2002, 1, 1, 0),
      y: 108834,
      name: Date.UTC(2002, 1, 1, 0),
    },
    {
      x: Date.UTC(2002, 2, 1, 0),
      y: 161916,
      name: Date.UTC(2002, 2, 1, 0),
    },
    {
      x: Date.UTC(2002, 3, 1, 0),
      y: 168862,
      name: Date.UTC(2002, 3, 1, 0),
    },
    {
      x: Date.UTC(2002, 4, 1, 0),
      y: 170018,
      name: Date.UTC(2002, 4, 1, 0),
    },
    {
      x: Date.UTC(2002, 5, 1, 0),
      y: 170170,
      name: Date.UTC(2002, 5, 1, 0),
    },
    {
      x: Date.UTC(2002, 6, 1, 0),
      y: 170252,
      name: Date.UTC(2002, 6, 1, 0),
    },
    {
      x: Date.UTC(2002, 7, 1, 0),
      y: 170324,
      name: Date.UTC(2002, 7, 1, 0),
    },
    {
      x: Date.UTC(2002, 8, 1, 0),
      y: 170379,
      name: Date.UTC(2002, 8, 1, 0),
    },
  ];
  //shifted cumulative time series
  var cumulativeTimeSeriesMultipleCurves537 = [
    {
      x: Date.UTC(2001, 8, 1, 0),
      y: 202,
      name: Date.UTC(2006, 11, 1, 0),
    },
    {
      x: Date.UTC(2001, 9, 2, 0),
      y: 453,
      name: Date.UTC(2007, 0, 1, 0),
    },
    {
      x: Date.UTC(2001, 10, 2, 0),
      y: 640,
      name: Date.UTC(2007, 1, 1, 0),
    },
    {
      x: Date.UTC(2001, 10, 30, 0),
      y: 931,
      name: Date.UTC(2007, 2, 1, 0),
    },
    {
      x: Date.UTC(2001, 11, 31, 0),
      y: 1387,
      name: Date.UTC(2007, 3, 1, 0),
    },
    {
      x: Date.UTC(2002, 0, 30, 0),
      y: 2256,
      name: Date.UTC(2007, 4, 1, 0),
    },
    {
      x: Date.UTC(2002, 2, 2, 0),
      y: 3701,
      name: Date.UTC(2007, 5, 1, 0),
    },
    {
      x: Date.UTC(2002, 3, 1, 0),
      y: 5302,
      name: Date.UTC(2007, 6, 1, 0),
    },
    {
      x: Date.UTC(2002, 4, 2, 0),
      y: 6353,
      name: Date.UTC(2007, 7, 1, 0),
    },
    {
      x: Date.UTC(2002, 5, 2, 0),
      y: 7156,
      name: Date.UTC(2007, 8, 1, 0),
    },
    {
      x: Date.UTC(2002, 6, 2, 0),
      y: 7804,
      name: Date.UTC(2007, 9, 1, 0),
    },
    {
      x: Date.UTC(2002, 7, 2, 0),
      y: 8351,
      name: Date.UTC(2007, 10, 1, 0),
    },
    {
      x: Date.UTC(2002, 8, 1, 0),
      y: 8839,
      name: Date.UTC(2007, 11, 1, 0),
    },
  ];
  //plot the graph
  plotMultipleCurves = new Highcharts.Chart({
    chart: {
      renderTo: 'multipleCurves',
    },
    title: {
      text: 'Outbreak comparison',
    },
    series: [
      {
        data: cumulativeTimeSeriesMultipleCurves549,
        name: '64% | Australia (2008)',
        pointPlacement: 'between',
        zIndex: 5,
        marker: {
          enabled: false,
        },
        color: '#800026',
      },
      {
        data: cumulativeTimeSeriesMultipleCurves805,
        name: '52% | Portugal (2012)',
        pointPlacement: 'between',
        zIndex: 4,
        marker: {
          enabled: false,
        },
        color: '#fd9841',
      },
      {
        data: cumulativeTimeSeriesMultipleCurves534,
        name: '46% | China (2006)',
        pointPlacement: 'between',
        zIndex: 3,
        marker: {
          enabled: false,
        },
        color: '#fee288',
      },
      {
        data: cumulativeTimeSeriesMultipleCurves550,
        name: '46% | Brazil (2001)',
        pointPlacement: 'between',
        zIndex: 2,
        marker: {
          enabled: false,
        },
        color: '#ffe691',
      },
      {
        data: cumulativeTimeSeriesMultipleCurves537,
        name: '45% | Singapore (2006)',
        pointPlacement: 'between',
        zIndex: 1,
        marker: {
          enabled: false,
        },
        color: '#ffeda0',
      },
    ],
    xAxis: [{
      labels: {
        formatter: function () {
          var relative = this.value - this.axis.dataMin,
              relativeDate = new Date(relative);
          return "Month " + (12 * (relativeDate.getFullYear() - 1970) + relativeDate.getMonth() + 1);
        }
      },
      tickLength: 0,
      title: {
        text: 'Time',
      },
    }],
    yAxis: [{
      title: {
        text: 'Cumulative cases',
      },
      min: 0,
      maxPadding: 0,
    }],
  });
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://code.highcharts.com/2.2.4/highcharts.js"></script>
<script src="https://code.highcharts.com/2.2.4/highcharts-more.js"></script>
<div id="multipleCurves"></div>

Answer 2

首先，Highcharts 更喜欢以毫秒为单位的日期，这是 javascript 的内部表示形式，所以每当你在轴上使用日期时，都会以毫秒为单位给出它们。这是在Highcharts中使用日期的最快和最简单的方法，因为它通常可以很快找到标记轴的最佳方法。要将日期转换为毫秒，您可以使用以下内容：

var myDate = +new Date("some date")

获得该格式的日期后，如果Highcharts没有为您提供所需的内容，请使用图表选项，如min，max，dateFormat等。