gojs如何新增删除和tablerow行？

通过addArrayItem实现，完整示例代码如下：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>GoJS Table Example</title>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/go.js"></script>
    <style>
        #myDiagramDiv {
            width: 400px;
            height: 300px;
            border: 1px solid black;
        }
        button {
            margin: 5px;
        }
    </style>
</head>
<body>
    <div id="myDiagramDiv"></div>
    <button onclick="addRow()">Add Row</button>
    <button onclick="deleteRow()">Delete Row</button>
    <script>
        function init() {
            const $ = go.GraphObject.make;

            // 创建 Diagram
            const myDiagram = $(go.Diagram, "myDiagramDiv", {
                initialContentAlignment: go.Spot.Center,
                "undoManager.isEnabled": true
            });

            // 定义节点模板
            myDiagram.nodeTemplate =
                $(go.Node, "Auto",
                    $(go.Shape, { fill: "white" }),
                    $(go.Panel, "Vertical",
                        $(go.Panel, "Table",
                            new go.Binding("itemArray", "items"),
                            {
                                defaultRowSeparatorStroke: "black",
        ...

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