缺少积分的区域(Area with missing points)
以下是缺少值的区域图的示例。
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，让我们看一个缺少值的区域图的示例。
我们在图表中添加了spacingBottom属性。
图表
将图表的spacingBottom配置为30.它表示图表底边与内容之间的空间（绘图区域，轴标题和顶部位置的标题，标题，副标题或图例）。
var chart = {
type: 'area',
spacingBottom: 30
};
例子 (Example)
highcharts_area_missing.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: 'area',
spacingBottom: 30
};
var title = {
text: 'Fruit consumption *'
};
var subtitle = {
text: '* Jane\'s banana consumption is unknown',
floating: true,
align: 'right',
verticalAlign: 'bottom',
y: 15
};
var legend = {
layout: 'vertical',
align: 'left',
verticalAlign: 'top',
x: 150,
y: 100,
floating: true,
borderWidth: 1,
backgroundColor: (
Highcharts.theme && Highcharts.theme.legendBackgroundColor) ||
'#FFFFFF'
};
var xAxis = {
categories: ['Apples', 'Pears', 'Oranges', 'Bananas', 'Grapes',
'Plums', 'Strawberries', 'Raspberries']
};
var yAxis = {
title: {
text: 'Y-Axis'
},
labels: {
formatter: function () {
return this.value;
}
}
};
var tooltip = {
formatter: function () {
return '<b>' + this.series.name + '</b><br/>' +
this.x + ': ' + this.y;
}
};
var plotOptions = {
area: {
fillOpacity: 0.5
}
};
var credits = {
enabled: false
};
var series = [
{
name: 'John',
data: [0, 1, 4, 4, 5, 2, 3, 7]
},
{
name: 'Jane',
data: [1, 0, 3, null, 3, 1, 2, 1]
}
];
var json = {};
json.chart = chart;
json.title = title;
json.subtitle = subtitle;
json.xAxis = xAxis;
json.yAxis = yAxis;
json.legend = legend;
json.tooltip = tooltip;
json.plotOptions = plotOptions;
json.credits = credits;
json.series = series;
$('#container').highcharts(json);
});
</script>
</body>
</html>
结果 (Result)
验证结果。
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