组织结构图有助于呈现节点层次结构，用于描绘组织中的上级/下级关系.例如，系列树是一种组织结构图.我们已经看到用于在 Google图表配置语法
我们使用 OrgChart 类来显示基于组织的图表.
//organization chart
var chart = new google.visualization.OrgChart(document.getElementById('container'));googlecharts_organization_chart.htm
<html>
<head>
<title>Google Charts Tutorial</title>
<script type = "text/javascript" src = "https://www.gstatic.com/charts/loader.js">
</script>
<script type = "text/javascript">
google.charts.load('current', {packages: ['orgchart']});
</script>
</head>
<body>
<div id = "container" style = "width: 550px; height: 400px; margin: 0 auto">
</div>
<script language = "JavaScript">
function drawChart() {
// Define the chart to be drawn.
var data = new google.visualization.DataTable();
data.addColumn('string', 'Name');
data.addColumn('string', 'Manager');
data.addColumn('string', 'ToolTip');
// For each orgchart box, provide the name, manager, and tooltip to show.
data.addRows([
[{v:'Robert', f:'Robert<div style="color:red; font-style:italic">President</div>'},'', 'President'],
[{v:'Jim', f:'Jim<div style="color:red; font-style:italic">Vice President</div>'},'Robert', 'Vice President'],
['Alice', 'Robert', ''],
['Bob', 'Jim', 'Bob Sponge'],
['Carol', 'Bob', '']
]);
// Set chart options
var options = {allowHtml:true};
// Instantiate and draw the chart.
var chart = new google.visualization.OrgChart(document.getElementById('container'));
chart.draw(data, options);
}
google.charts.setOnLoadCallback(drawChart);
</script>
</body>
</html>验证结果.
