时间间隔不规则的时间数据（Time data with irregular intervals）
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小牛编辑
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2023-12-01
以下是带符号的样条曲线图的示例。
我们已经在Highcharts Configuration Syntax一章中看到了用于绘制图表的配置 。 现在，让我们讨论一个带符号的样条图表示例。
例子 (Example)
highcharts_spline_time.htm
<html>
<head>
<title>Highcharts Tutorial</title>
<script src = "https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js">
</script>
<script src = "https://code.highcharts.com/highcharts.js"></script>
</head>
<body>
<div id = "container" style = "width: 550px; height: 400px; margin: 0 auto"></div>
<script language = "JavaScript">
$(document).ready(function() {
var chart = {
type: 'spline'
};
var title = {
text: 'Snow depth at Vikjafjellet, Norway'
};
var subtitle = {
text: 'Irregular time data in Highcharts JS'
};
var xAxis = {
type: 'datetime',
dateTimeLabelFormats: { // don't display the dummy year
month: '%e. %b',
year: '%b'
},
title: {
text: 'Date'
}
};
var yAxis = {
title: {
text: 'Snow depth (m)'
},
min: 0
};
var tooltip = {
headerFormat: '<b>{series.name}</b><br>',
pointFormat: '{point.x:%e. %b}: {point.y:.2f} m'
};
var plotOptions = {
spline: {
marker: {
enabled: true
}
}
};
var series = [
{
name: 'Winter 2007-2008',
// Define the data points. All series have a dummy year
// of 1970/71 in order to be compared on the same x axis.
// Note that in JavaScript, months start at 0 for January,
// 1 for February etc.
data: [
[Date.UTC(1970, 9, 27), 0 ],
[Date.UTC(1970, 10, 10), 0.6 ],
[Date.UTC(1970, 10, 18), 0.7 ],
[Date.UTC(1970, 11, 2), 0.8 ],
[Date.UTC(1970, 11, 9), 0.6 ],
[Date.UTC(1970, 11, 16), 0.6 ],
[Date.UTC(1970, 11, 28), 0.67],
[Date.UTC(1971, 0, 1), 0.81],
[Date.UTC(1971, 0, 8), 0.78],
[Date.UTC(1971, 0, 12), 0.98],
[Date.UTC(1971, 0, 27), 1.84],
[Date.UTC(1971, 1, 10), 1.80],
[Date.UTC(1971, 1, 18), 1.80],
[Date.UTC(1971, 1, 24), 1.92],
[Date.UTC(1971, 2, 4), 2.49],
[Date.UTC(1971, 2, 11), 2.79],
[Date.UTC(1971, 2, 15), 2.73],
[Date.UTC(1971, 2, 25), 2.61],
[Date.UTC(1971, 3, 2), 2.76],
[Date.UTC(1971, 3, 6), 2.82],
[Date.UTC(1971, 3, 13), 2.8 ],
[Date.UTC(1971, 4, 3), 2.1 ],
[Date.UTC(1971, 4, 26), 1.1 ],
[Date.UTC(1971, 5, 9), 0.25],
[Date.UTC(1971, 5, 12), 0 ]
]
},
{
name: 'Winter 2008-2009',
data: [
[Date.UTC(1970, 9, 18), 0 ],
[Date.UTC(1970, 9, 26), 0.2 ],
[Date.UTC(1970, 11, 1), 0.47],
[Date.UTC(1970, 11, 11), 0.55],
[Date.UTC(1970, 11, 25), 1.38],
[Date.UTC(1971, 0, 8), 1.38],
[Date.UTC(1971, 0, 15), 1.38],
[Date.UTC(1971, 1, 1), 1.38],
[Date.UTC(1971, 1, 8), 1.48],
[Date.UTC(1971, 1, 21), 1.5 ],
[Date.UTC(1971, 2, 12), 1.89],
[Date.UTC(1971, 2, 25), 2.0 ],
[Date.UTC(1971, 3, 4), 1.94],
[Date.UTC(1971, 3, 9), 1.91],
[Date.UTC(1971, 3, 13), 1.75],
[Date.UTC(1971, 3, 19), 1.6 ],
[Date.UTC(1971, 4, 25), 0.6 ],
[Date.UTC(1971, 4, 31), 0.35],
[Date.UTC(1971, 5, 7), 0 ]
]
},
{
name: 'Winter 2009-2010',
data: [
[Date.UTC(1970, 9, 9), 0 ],
[Date.UTC(1970, 9, 14), 0.15],
[Date.UTC(1970, 10, 28), 0.35],
[Date.UTC(1970, 11, 12), 0.46],
[Date.UTC(1971, 0, 1), 0.59],
[Date.UTC(1971, 0, 24), 0.58],
[Date.UTC(1971, 1, 1), 0.62],
[Date.UTC(1971, 1, 7), 0.65],
[Date.UTC(1971, 1, 23), 0.77],
[Date.UTC(1971, 2, 8), 0.77],
[Date.UTC(1971, 2, 14), 0.79],
[Date.UTC(1971, 2, 24), 0.86],
[Date.UTC(1971, 3, 4), 0.8 ],
[Date.UTC(1971, 3, 18), 0.94],
[Date.UTC(1971, 3, 24), 0.9 ],
[Date.UTC(1971, 4, 16), 0.39],
[Date.UTC(1971, 4, 21), 0 ]
]
}
];
var json = {};
json.chart = chart;
json.title = title;
json.subtitle = subtitle;
json.tooltip = tooltip;
json.xAxis = xAxis;
json.yAxis = yAxis;
json.series = series;
json.plotOptions = plotOptions;
$('#container').highcharts(json);
});
</script>
</body>
</html>