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我已經使用Google Chart API創建了餅圖,但無法控制要添加的數據標籤。我希望能夠爲每個餡餅片添加一個標籤。任何人都可以提供有關如何去做這件事的任何見解?如何向Google圖表添加數據標籤
代碼如下表:
<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>