面積グラフ(Area Chart)
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 <script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(
function() {
var data = new google.visualization.DataTable();
data.addColumn('date', '');
data.addColumn('number', 'アクセス数');
data.addRows([
[new Date(2012,11,10), 402],
[new Date(2012,11,11), 452],
[new Date(2012,11,12), 428],
[new Date(2012,11,13), 459],
[new Date(2012,11,14), 478],
[new Date(2012,11,15), 191],
[new Date(2012,11,16), 169]
]);
var options = {
title: 'アクセス数',
hAxis: {format: 'MM月dd日'}, // 表示フォーマットの指定
legend: 'none' };
var chart = new google.visualization.AreaChart(document.getElementById('gct_sample_area')); chart.draw(data, options); } ); </script> <div id="gct_sample_area" style="width:80%; height:250pt" ></div>
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