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流程图编辑器-拖拉拽-antV X6流程可视化-VUE

2024-10-30 21:10:32 前端知识 前端哥 576 970 我要收藏

前言：

       上个我记录的relation-graph关系图本来是以后有需要我可以翻阅自己的博客可以当作备胎，使用的时候看一下让自己也知道还有个这么个不错的库，新的项目要有一个流程编辑器，relation-graph提供例子，无论动画效果还是操作手感都挺不错，唯一的遗憾是阅读示例代码要钱（上一个文章C友留言说VIP的，我本以为可以一直白嫖B站视频，没想到要再次白嫖的时候，一个都找不到了），所以我选择了这个，还是阿里实在，不搞vip文档那些。

1. X6·图编辑引擎

        X6官方是这么介绍它的：X6 是基于 HTML 和 SVG 的图编辑引擎，提供低成本的定制能力和开箱即用的内置扩展，方便我们快速搭建 DAG 图、ER 图、流程图、血缘图等应用。

 2. X6---官方地址
点击此处进入-antV X6 官方地址icon-default.png?t=N7T8https://x6.antv.antgroup.com/

3. 选择AntV-X6的理由

  • 主要是免费、免费、免费(这次真免费，没有vip文档，全部随意查阅)😵
  • 支持Vue3、React
  • 完全自定义，可随意定制样式

4. 项目中引用relation-graph

        4.1 下载命令

# npm

$ npm install @antv/x6 --save

# yarn

$ yarn add @antv/x6

5. 简单的实例代码

## 下载好后直接复制下面代码到你的vue/react项目中，先看看运行效果(来源官网示例)

import { Graph, Shape } from '@antv/x6'
import { Stencil } from '@antv/x6-plugin-stencil'
import { Transform } from '@antv/x6-plugin-transform'
import { Selection } from '@antv/x6-plugin-selection'
import { Snapline } from '@antv/x6-plugin-snapline'
import { Keyboard } from '@antv/x6-plugin-keyboard'
import { Clipboard } from '@antv/x6-plugin-clipboard'
import { History } from '@antv/x6-plugin-history'
import insertCss from 'insert-css'
 
// 为了协助代码演示
preWork()
 
// #region 初始化画布
const graph = new Graph({
  container: document.getElementById('graph-container')!,
  grid: true,
  mousewheel: {
    enabled: true,
    zoomAtMousePosition: true,
    modifiers: 'ctrl',
    minScale: 0.5,
    maxScale: 3,
  },
  connecting: {
    router: 'manhattan',
    connector: {
      name: 'rounded',
      args: {
        radius: 8,
      },
    },
    anchor: 'center',
    connectionPoint: 'anchor',
    allowBlank: false,
    snap: {
      radius: 20,
    },
    createEdge() {
      return new Shape.Edge({
        attrs: {
          line: {
            stroke: '#A2B1C3',
            strokeWidth: 2,
            targetMarker: {
              name: 'block',
              width: 12,
              height: 8,
            },
          },
        },
        zIndex: 0,
      })
    },
    validateConnection({ targetMagnet }) {
      return !!targetMagnet
    },
  },
  highlighting: {
    magnetAdsorbed: {
      name: 'stroke',
      args: {
        attrs: {
          fill: '#5F95FF',
          stroke: '#5F95FF',
        },
      },
    },
  },
})
// #endregion
 
// #region 使用插件
graph
  .use(
    new Transform({
      resizing: true,
      rotating: true,
    }),
  )
  .use(
    new Selection({
      rubberband: true,
      showNodeSelectionBox: true,
    }),
  )
  .use(new Snapline())
  .use(new Keyboard())
  .use(new Clipboard())
  .use(new History())
// #endregion
 
// #region 初始化 stencil
const stencil = new Stencil({
  title: '流程图',
  target: graph,
  stencilGraphWidth: 200,
  stencilGraphHeight: 180,
  collapsable: true,
  groups: [
    {
      title: '基础流程图',
      name: 'group1',
    },
    {
      title: '系统设计图',
      name: 'group2',
      graphHeight: 250,
      layoutOptions: {
        rowHeight: 70,
      },
    },
  ],
  layoutOptions: {
    columns: 2,
    columnWidth: 80,
    rowHeight: 55,
  },
})
document.getElementById('stencil')!.appendChild(stencil.container)
// #endregion
 
// #region 快捷键与事件
graph.bindKey(['meta+c', 'ctrl+c'], () => {
  const cells = graph.getSelectedCells()
  if (cells.length) {
    graph.copy(cells)
  }
  return false
})
graph.bindKey(['meta+x', 'ctrl+x'], () => {
  const cells = graph.getSelectedCells()
  if (cells.length) {
    graph.cut(cells)
  }
  return false
})
graph.bindKey(['meta+v', 'ctrl+v'], () => {
  if (!graph.isClipboardEmpty()) {
    const cells = graph.paste({ offset: 32 })
    graph.cleanSelection()
    graph.select(cells)
  }
  return false
})
 
// undo redo
graph.bindKey(['meta+z', 'ctrl+z'], () => {
  if (graph.canUndo()) {
    graph.undo()
  }
  return false
})
graph.bindKey(['meta+shift+z', 'ctrl+shift+z'], () => {
  if (graph.canRedo()) {
    graph.redo()
  }
  return false
})
 
// select all
graph.bindKey(['meta+a', 'ctrl+a'], () => {
  const nodes = graph.getNodes()
  if (nodes) {
    graph.select(nodes)
  }
})
 
// delete
graph.bindKey('backspace', () => {
  const cells = graph.getSelectedCells()
  if (cells.length) {
    graph.removeCells(cells)
  }
})
 
// zoom
graph.bindKey(['ctrl+1', 'meta+1'], () => {
  const zoom = graph.zoom()
  if (zoom < 1.5) {
    graph.zoom(0.1)
  }
})
graph.bindKey(['ctrl+2', 'meta+2'], () => {
  const zoom = graph.zoom()
  if (zoom > 0.5) {
    graph.zoom(-0.1)
  }
})
 
// 控制连接桩显示/隐藏
const showPorts = (ports: NodeListOf<SVGElement>, show: boolean) => {
  for (let i = 0, len = ports.length; i < len; i += 1) {
    ports[i].style.visibility = show ? 'visible' : 'hidden'
  }
}
graph.on('node:mouseenter', () => {
  const container = document.getElementById('graph-container')!
  const ports = container.querySelectorAll(
    '.x6-port-body',
  ) as NodeListOf<SVGElement>
  showPorts(ports, true)
})
graph.on('node:mouseleave', () => {
  const container = document.getElementById('graph-container')!
  const ports = container.querySelectorAll(
    '.x6-port-body',
  ) as NodeListOf<SVGElement>
  showPorts(ports, false)
})
// #endregion
 
// #region 初始化图形
const ports = {
  groups: {
    top: {
      position: 'top',
      attrs: {
        circle: {
          r: 4,
          magnet: true,
          stroke: '#5F95FF',
          strokeWidth: 1,
          fill: '#fff',
          style: {
            visibility: 'hidden',
          },
        },
      },
    },
    right: {
      position: 'right',
      attrs: {
        circle: {
          r: 4,
          magnet: true,
          stroke: '#5F95FF',
          strokeWidth: 1,
          fill: '#fff',
          style: {
            visibility: 'hidden',
          },
        },
      },
    },
    bottom: {
      position: 'bottom',
      attrs: {
        circle: {
          r: 4,
          magnet: true,
          stroke: '#5F95FF',
          strokeWidth: 1,
          fill: '#fff',
          style: {
            visibility: 'hidden',
          },
        },
      },
    },
    left: {
      position: 'left',
      attrs: {
        circle: {
          r: 4,
          magnet: true,
          stroke: '#5F95FF',
          strokeWidth: 1,
          fill: '#fff',
          style: {
            visibility: 'hidden',
          },
        },
      },
    },
  },
  items: [
    {
      group: 'top',
    },
    {
      group: 'right',
    },
    {
      group: 'bottom',
    },
    {
      group: 'left',
    },
  ],
}
 
Graph.registerNode(
  'custom-rect',
  {
    inherit: 'rect',
    width: 66,
    height: 36,
    attrs: {
      body: {
        strokeWidth: 1,
        stroke: '#5F95FF',
        fill: '#EFF4FF',
      },
      text: {
        fontSize: 12,
        fill: '#262626',
      },
    },
    ports: { ...ports },
  },
  true,
)
 
Graph.registerNode(
  'custom-polygon',
  {
    inherit: 'polygon',
    width: 66,
    height: 36,
    attrs: {
      body: {
        strokeWidth: 1,
        stroke: '#5F95FF',
        fill: '#EFF4FF',
      },
      text: {
        fontSize: 12,
        fill: '#262626',
      },
    },
    ports: {
      ...ports,
      items: [
        {
          group: 'top',
        },
        {
          group: 'bottom',
        },
      ],
    },
  },
  true,
)
 
Graph.registerNode(
  'custom-circle',
  {
    inherit: 'circle',
    width: 45,
    height: 45,
    attrs: {
      body: {
        strokeWidth: 1,
        stroke: '#5F95FF',
        fill: '#EFF4FF',
      },
      text: {
        fontSize: 12,
        fill: '#262626',
      },
    },
    ports: { ...ports },
  },
  true,
)
 
Graph.registerNode(
  'custom-image',
  {
    inherit: 'rect',
    width: 52,
    height: 52,
    markup: [
      {
        tagName: 'rect',
        selector: 'body',
      },
      {
        tagName: 'image',
      },
      {
        tagName: 'text',
        selector: 'label',
      },
    ],
    attrs: {
      body: {
        stroke: '#5F95FF',
        fill: '#5F95FF',
      },
      image: {
        width: 26,
        height: 26,
        refX: 13,
        refY: 16,
      },
      label: {
        refX: 3,
        refY: 2,
        textAnchor: 'left',
        textVerticalAnchor: 'top',
        fontSize: 12,
        fill: '#fff',
      },
    },
    ports: { ...ports },
  },
  true,
)
 
const r1 = graph.createNode({
  shape: 'custom-rect',
  label: '开始',
  attrs: {
    body: {
      rx: 20,
      ry: 26,
    },
  },
})
const r2 = graph.createNode({
  shape: 'custom-rect',
  label: '过程',
})
const r3 = graph.createNode({
  shape: 'custom-rect',
  attrs: {
    body: {
      rx: 6,
      ry: 6,
    },
  },
  label: '可选过程',
})
const r4 = graph.createNode({
  shape: 'custom-polygon',
  attrs: {
    body: {
      refPoints: '0,10 10,0 20,10 10,20',
    },
  },
  label: '决策',
})
const r5 = graph.createNode({
  shape: 'custom-polygon',
  attrs: {
    body: {
      refPoints: '10,0 40,0 30,20 0,20',
    },
  },
  label: '数据',
})
const r6 = graph.createNode({
  shape: 'custom-circle',
  label: '连接',
})
stencil.load([r1, r2, r3, r4, r5, r6], 'group1')
 
const imageShapes = [
  {
    label: 'Client',
    image:
      'https://gw.alipayobjects.com/zos/bmw-prod/687b6cb9-4b97-42a6-96d0-34b3099133ac.svg',
  },
  {
    label: 'Http',
    image:
      'https://gw.alipayobjects.com/zos/bmw-prod/dc1ced06-417d-466f-927b-b4a4d3265791.svg',
  },
  {
    label: 'Api',
    image:
      'https://gw.alipayobjects.com/zos/bmw-prod/c55d7ae1-8d20-4585-bd8f-ca23653a4489.svg',
  },
  {
    label: 'Sql',
    image:
      'https://gw.alipayobjects.com/zos/bmw-prod/6eb71764-18ed-4149-b868-53ad1542c405.svg',
  },
  {
    label: 'Clound',
    image:
      'https://gw.alipayobjects.com/zos/bmw-prod/c36fe7cb-dc24-4854-aeb5-88d8dc36d52e.svg',
  },
  {
    label: 'Mq',
    image:
      'https://gw.alipayobjects.com/zos/bmw-prod/2010ac9f-40e7-49d4-8c4a-4fcf2f83033b.svg',
  },
]
const imageNodes = imageShapes.map((item) =>
  graph.createNode({
    shape: 'custom-image',
    label: item.label,
    attrs: {
      image: {
        'xlink:href': item.image,
      },
    },
  }),
)
stencil.load(imageNodes, 'group2')
// #endregion
 
function preWork() {
  // 这里协助演示的代码，在实际项目中根据实际情况进行调整
  const container = document.getElementById('container')!
  const stencilContainer = document.createElement('div')
  stencilContainer.id = 'stencil'
  const graphContainer = document.createElement('div')
  graphContainer.id = 'graph-container'
  container.appendChild(stencilContainer)
  container.appendChild(graphContainer)
 
  insertCss(`
    #container {
      display: flex;
      border: 1px solid #dfe3e8;
    }
    #stencil {
      width: 180px;
      height: 100%;
      position: relative;
      border-right: 1px solid #dfe3e8;
    }
    #graph-container {
      width: calc(100% - 180px);
      height: 100%;
    }
    .x6-widget-stencil  {
      background-color: #fff;
    }
    .x6-widget-stencil-title {
      background-color: #fff;
    }
    .x6-widget-stencil-group-title {
      background-color: #fff !important;
    }
    .x6-widget-transform {
      margin: -1px 0 0 -1px;
      padding: 0px;
      border: 1px solid #239edd;
    }
    .x6-widget-transform > div {
      border: 1px solid #239edd;
    }
    .x6-widget-transform > div:hover {
      background-color: #3dafe4;
    }
    .x6-widget-transform-active-handle {
      background-color: #3dafe4;
    }
    .x6-widget-transform-resize {
      border-radius: 0;
    }
    .x6-widget-selection-inner {
      border: 1px solid #239edd;
    }
    .x6-widget-selection-box {
      opacity: 0;
    }
  `)
}
复制

  5.1 运行效果截图

当然，这只是最简单的示例，前面说过可高度自定义，所以可以实现如下图的效果

转载请注明出处或者链接地址：https://www.qianduange.cn//article/19647.html
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