复制如下内容保存到空白的.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 {
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>
//为了简洁
var $ = go.GraphObject.make;
var diagram = new go.Diagram("myDiagramDiv");
//节点模板描述如何构建每个节点
diagram.nodeTemplate =
$(go.Node, "Auto", //形状自动填充适合
$(go.Shape, "RoundedRectangle", // 使用圆角长方形
// 将Shape.fill绑定到Node.data.color
new go.Binding("fill", "color")),
$(go.TextBlock, {
margin: 3 //文字的间距
},
// 将TextBlock.text绑定到Node.data.key
new go.Binding("text", "key"))
);
// 模型仅包含描述图表的基本信息
diagram.model = new go.GraphLinksModel( //两个JavaScript对象数组
[
// 添加“颜色”属性
{
key: "Alpha",
color: "lightblue"
},
{
key: "Beta",
color: "orange"
},
{
key: "Gamma",
color: "lightgreen"
},
{
key: "Delta",
color: "pink"
}
],
[ // 数组中的连接数据
{
from: "Alpha",
to: "Beta"
},
{
from: "Alpha",
to: "Gamma"
},
{
from: "Beta",
to: "Beta"
},
{
from: "Gamma",
to: "Delta"
},
{
from: "Delta",
to: "Alpha"
}
]);
diagram.initialContentAlignment = go.Spot.Center;
// 启用Ctrl-Z撤消和Ctrl-Y重做
diagram.undoManager.isEnabled = true;
</script>
</body>
</html>