在他的範例裡面沒有雙Y軸(或是我沒找到),
也就是Y軸有左邊軸與右邊軸,兩軸的數字不同
後來也忘了是在哪裡找到的
以下是範例(JavaScript)
<!-- Load Google charts api for JavaScript -->
<script type="text/javascript" src="https://www.google.com/jsapi?autoload={'modules':[{'name':'visualization','version':'1.1','packages':['corechart']}]}"></script>
<script type="text/javascript">
google.setOnLoadCallback(drawVisualization);
function drawVisualization() {
// Some raw data (not necessarily accurate)
var data = google.visualization.arrayToDataTable([
['yyy', 'y1', 'y2'],
['2003', 1413000, 111],
['2006', 555000, 118],
['2007', 9400000, 92],
['2008', 3995116, 141],
['2009', 4027797, 147],
['2010', 4266232, 125],
['2011', 4602719, 133],
['2015', 3278581, 119],
['2016', 2043220, 99]
]);
var options = {
title: 'title',
vAxes: { 0: { format: '#,###' }, 1: { format: '#,###' } },
hAxis: { title: 'xtitle' },
series: {
0: { type: "bars", targetAxisIndex: 0, color: "#FFCCFF" },
1: { type: "line", targetAxisIndex: 1, color: "purple" }
}
};
var chart = new google.visualization.ComboChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
</script>
<!-- Google charts放置的位置-->
<div id="chart_div" style="width: 600px; height: 350px;"></div>
最後應該會看到此圖
ref:Google Charts
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