go.js 开发交互式图表-优快云博客

本文介绍了go.js在2B业务中的应用，特别是企业组织架构、流程图等图表的可视化展示。通过具体示例展示了如何使用TreeModel进行组织架构图的设计，并提到了DiagramLayouts、Diagrams、Models等核心概念。

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2B业务中很重要的一块就是企业的主数据管理，企业的组织架构，部门，人员，角色，权限等等。在2B系统中，对其进行可视化的展示也成为了一个突出的需求。

如下图
组织架构清晰明了。

image.png

这里就是使用了标题所提到的go.js

go.js是一种面向图表元素的编程模式

Diagram Layouts
Diagrams
Models
basic model,GraphLinksModel ,TreeModel(上图就是TreeModel的应用)
Styling Nodes ---Class GraphObject
[Shape] (pre-defined or custom geometry with colors
[TextBlock] to display (potentially editable) text in various fonts
[Picture] to display images
[Panel]
Link Templates
Events
[DiagramEvent] [InputEvent][ChangedEvent]

下面是官方首页一个例子

<!DOCTYPE html>  <!-- Declare standards mode. -->
  <html>
    <head>
    . . .
    <!-- Include the GoJS library. -->
    <script src="go-debug.js"></script>

var $ = go.GraphObject.make;

var myDiagram =
  $(go.Diagram, "myDiagramDiv",
    {
      initialContentAlignment: go.Spot.Center, // center Diagram contents
      "undoManager.isEnabled": true, // enable Ctrl-Z to undo and Ctrl-Y to redo
      layout: $(go.TreeLayout, // specify a Diagram.layout that arranges trees
                { angle: 90, layerSpacing: 35 })
    });

// the template we defined earlier
myDiagram.nodeTemplate =
  $(go.Node, "Horizontal",
    { background: "#44CCFF" },
    $(go.Picture,
      { margin: 10, width: 50, height: 50, background: "red" },
      new go.Binding("source")),
    $(go.TextBlock, "Default Text",
      { margin: 12, stroke: "white", font: "bold 16px sans-serif" },
      new go.Binding("text", "name"))
  );

// define a Link template that routes orthogonally, with no arrowhead
myDiagram.linkTemplate =
  $(go.Link,
    { routing: go.Link.Orthogonal, corner: 5 },
    $(go.Shape, { strokeWidth: 3, stroke: "#555" })); // the link shape

var model = $(go.TreeModel);
model.nodeDataArray =
[
  { key: "1",              name: "Don Meow",   source: "cat1.png" },
  { key: "2", parent: "1", name: "Demeter",    source: "cat2.png" },
  { key: "3", parent: "1", name: "Copricat",   source: "cat3.png" },
  { key: "4", parent: "3", name: "Jellylorum", source: "cat4.png" },
  { key: "5", parent: "3", name: "Alonzo",     source: "cat5.png" },
  { key: "6", parent: "2", name: "Munkustrap", source: "cat6.png" }
];
myDiagram.model = model;

上面的讲的概念模型，可以在例子看到。

理解了这些概念模型间的关系，就基本上掌握如何使用。

再来看一下图