.Net工作流elsa-workflows官方文档学习：安装Elsa设计器

网页：https://elsa-workflows.github.io/elsa-core/docs/installing-elsa-designer

Elsa仪表盘已包含设计器，本节主要是为了帮助那些想自己实现设计器的人。

最简单方法是在HTML文档中包含以下内容：

<script src=\'https://unpkg.com/@elsa-workflows/elsa-workflow-designer@0.0.61/dist/elsa-workflow-designer.js\'></script>

或者您可以使用NPM安装相关软件包，请参看https://www.npmjs.com/package/@elsa-workflows/elsa-workflow-designer

相关依赖

依赖组件Bootstrap，需要先安装。

示例

以下是一个简单HTML文档，其中包含必要的样式和脚本：

<!DOCTYPE html>
<html dir="ltr" lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=5.0">
  <title>Elsa Designer</title>
  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
  <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
  <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
  <script src=\'https://unpkg.com/@elsa-workflows/elsa-workflow-designer@0.0.61/dist/elsa-workflow-designer.js\'></script>

  <style type="text/css">
    html {
      font-size: 14px;
    }

    .nav-item {
      margin-left: 1em;
    }

    #header h5 {
      color: white;
    }

  </style>
</head>
<body>

<div id="header" class="d-flex flex-column flex-md-row align-items-center p-3 px-md-4 mb-3 bg-dark border-bottom shadow-sm">
  <h5 class="my-0 mr-md-auto font-weight-normal">Workflow Designer</h5>

  <ul class="nav">
    <li class="nav-item">
      <button class="btn btn-primary" onclick="addActivity()">Add Activity</button>
    </li>
    <li class="nav-item">
      <wf-export-button workflow-designer-host="designerHost"></wf-export-button>
    </li>
    <li class="nav-item">
      <button class="btn btn-secondary" onclick="importWorkflow()">Import</button>
    </li>
    <li class="nav-item">
      <button class="btn btn-secondary" onclick="createNewWorkflow()">New Workflow</button>
    </li>
  </ul>
</div>

<div class="container-fluid">
  <div class="row">
    <div class="col-12">

      <div class="card">
        <wf-designer-host id="designerHost" canvas-height="300vh"></wf-designer-host>
      </div>

    </div>
  </div>
</div>

<script type="text/javascript">
  const designer = document.querySelector("#designerHost");

  function addActivity() {
    designer.showActivityPicker();
  }

  function createNewWorkflow() {
    if (confirm(\'Are you sure you want to discard current changes?\'))
      designer.newWorkflow();
  }

  function importWorkflow() {
    designer.import();
  }

</script>
</body>
</html>

View Code

运行

在浏览器中启动此HTML时，显示如下界面：