Vue3 前端 引入 markmap 思维导图，通过markdown解析成思维导图

 安装

// 
npm install markmap-lib
//
npm install markmap-view
//
npm install markmap-common

 完整代码

import { ref, onMounted, onUpdated } from 'vue'
import { Transformer } from 'markmap-lib'
import { Markmap } from 'markmap-view'
import * as htmlToImage from 'html-to-image'
import { saveAs } from 'file-saver'
const transformer = new Transformer()
const initValue = `
# 思维导图
1. 标题1
 - 子标题1
 - 子标题2
3. 标题2
4. 标题3
- beautiful
- useful
- easy
- interactive
`
const mm = ref()
const svgRef = ref()
const update = () => {
  const { root } = transformer.transform(initValue)
  mm.value.setData(root)
  mm.value.fit()
}
const zoomIn = () => mm.value.rescale(1.25)
const zoomOut = () => mm.value.rescale(0.8)
const fitToScreen = () => mm.value.fit()
const onSave = async () => {
  const dataUrl = await htmlToImage.toPng(svgRef.value)
  saveAs(dataUrl, 'markmap.png')
}
onMounted(() => {
  // 初始化markmap思维导图
  mm.value = Markmap.create(svgRef.value)
  // 更新思维导图渲染
  update()
})
onUpdated(update)


  
    
      
    
    
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.mind {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  .svg-container {
    flex: 1;
    svg {
      width: 100%;
      height: 100%;
    }
  }
  .controls {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 50px;
  }
}
.controls {
  margin-top: 10px;
}