单色饼图
以下实例演示了单色饼图。
我们在前面的章节已经了解了 Highcharts 基本配置语法。接下来让我们来看下其他的配置。
配置
colors 配置
使用 Highcharts.getOptions().plotOptions.pie.colors 属性来配置每个饼的颜色。
// 设置单色并为所有饼设置默认主题 Highcharts.getOptions().plotOptions.pie.colors = (function () { var colors = []; var base = Highcharts.getOptions().colors[0]; var i; for (i = 0; i < 10; i += 1) { // 以一暗色开始并以亮色结束 colors.push(Highcharts.Color(base).brighten((i - 3) / 7).get()); } return colors; }());
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实例
文件名:highcharts_pie_monochrome.htm
<html> <head> <meta charset="UTF-8" /> <title>Highcharts 教程 | W3xue教程(w3xue.com)</title> <script src="/js/jquery-2.1.4.min.js"></script> <script src="/js/hc/highcharts5.0.6.js"></script> </head> <body> <div id="container" style="width: 550px; height: 400px; margin: 0 auto"></div> <script language="JavaScript"> $(document).ready(function() { var chart = { plotBackgroundColor: null, plotBorderWidth: null, plotShadow: false }; var title = { text: ''Browser market shares at a specific website, 2014'' }; var tooltip = { pointFormat: ''{series.name}: <b>{point.percentage:.1f}%</b>'' }; var plotOptions = { pie: { allowPointSelect: true, cursor: ''pointer'', dataLabels: { enabled: true, format: ''<b>{point.name}%</b>: {point.percentage:.1f} %'', style: { color: (Highcharts.theme && Highcharts.theme.contrastTextColor) || ''black'' } } } }; var series= [{ type: ''pie'', name: ''Browser share'', data: [ [''Firefox'', 45.0], [''IE'', 26.8], { name: ''Chrome'', y: 12.8, sliced: true, selected: true }, [''Safari'', 8.5], [''Opera'', 6.2], [''Others'', 0.7] ] }]; // Make monochrome colors and set them as default for all pies Highcharts.getOptions().plotOptions.pie.colors = (function () { var colors = []; var base = Highcharts.getOptions().colors[0]; var i; for (i = 0; i < 10; i += 1) { // Start out with a darkened base color (negative brighten), and end // up with a much brighter color colors.push(Highcharts.Color(base).brighten((i - 3) / 7).get()); } return colors; }()); var json = {}; json.chart = chart; json.title = title; json.tooltip = tooltip; json.series = series; json.plotOptions = plotOptions; $(''#container'').highcharts(json); }); </script> </body> </html>
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以上实例输出结果为: