<!-- 从这里开始复制本文所有内容保存到空白的.html文件中，用浏览器打开即可查看效果 -->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>GoJS实例</title>
<style>
#myDiagramDiv {
width: 400px;
height: 500px;
background-color: #DAE4E4;
}
</style>
<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script>
<script src="https://unpkg.com/gojs/release/go-debug.js"></script>
</head>
<body>
<div id="myDiagramDiv"></div>
<script>
var $ = go.GraphObject.make;
var myDiagram =
$(go.Diagram, "myDiagramDiv", {
"undoManager.isEnabled": true // 启用Ctrl-Z撤消和Ctrl-Y重做
});
var myModel = $(go.Model);
// 在模型数据中，每个节点都由一个JavaScript对象表示：
myModel.nodeDataArray = [{
key: "Alpha"
},
{
key: "Beta"
},
{
key: "Gamma"
}
];
myDiagram.model = myModel;
</script>
</body>
</html>