[英]How to add data labels to a Google Chart
我已經使用Google Chart API創建了一個餅圖,但是無法控制要添加哪些數據標簽。 我希望能夠為每塊餡餅添加一個標簽。 誰能提供有關如何執行此操作的任何見解?
下表的代碼:
<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>
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