它看起來並不像谷歌圖表API有一個圓環圖選項... This bihappy post演示瞭如何欺騙,雖然它,通過放置一個圈層在餅圖的頂部:
在你頭...
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = new google.visualization.DataTable();
data.addColumn('string', 'Task');
data.addColumn('number', 'Hours per Day');
data.addRows([
['A', roundNumber(11*Math.random(),2)],
['B', roundNumber(2*Math.random(),2)],
['C', roundNumber(2*Math.random(),2)],
['D', roundNumber(2*Math.random(),2)],
['E', roundNumber(7*Math.random(),2)]
]);
var options = {
width: 450, height: 300,
colors:['#ECD078','#D95B43','#C02942','#542437','#53777A'],
legend: {position: 'none'},
animation:{
duration: 800,
easing: 'in'
}
};
var chart = new google.visualization.PieChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
function roundNumber(num, dec) {
var result = Math.round(num*Math.pow(10,dec))/Math.pow(10,dec);
return result;
}
</script>
在你的身體......
<div id="link_div" style="z-index: 3; position: absolute; left: 180px; top: 30px;">
<a href="javascript:drawChart()">Change Data</a>
<div id="chart_div" style="z-index: 1; position: absolute; left: 0px; top: 20px;"></div>
<div id="circle_div" style="z-index: 2; position: absolute; left: 180px; top: 127px;">
<img src="circle.png"></div>