如何向Google图表添加数据标签 [英] How to add data labels to a Google Chart
本文介绍了如何向Google图表添加数据标签的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我已经使用Google Chart API创建了一个饼图，但是无法控制要添加哪些数据标签。我希望能够为每块馅饼添加一个标签。谁能提供有关如何执行此操作的任何见解？
I've created a pie chart using the Google Chart API but am unable to control which data labels are added. I'd like to be able to add a label for each slice of the pie. Can anyone provide any insight on how to go about doing this?
下图的代码：
<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 = google.visualization.arrayToDataTable([
['Resource', 'Percentage'],
['Video', 517],
['Download', 13],
['Tool', 13],
['Video and Download', 15],
['Video and Tool', 59],
['Download Video and Tool', 5]
]);
var options = {
title: '',
is3D: 'true',
colors: ['592C81', '799A3D', '863375', '5B5B5B', '004A97', 'B8BABD' ]
};
var chart = new google.visualization.PieChart(document.getElementById('piechart_3d'));
chart.draw(data, options);
}
</script>
</head>
<body>
<div id="piechart_3d" style="width: 900px; height: 500px;"></div>
推荐答案
由于每个切片中的空间不足，因此看起来最好的办法就是添加
Since there's not enough room in each slice, looks like the best you can do is add
legend: { position: 'labeled' }
您的选项。
示例此处。
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