Wangeditor rich text editor

One 、 Installation dependency

npm install wangeditor -S

Two 、 Package into a component （Wangeditor.vue）

<template lang="html">
  <div class="editor">
    <div ref="toolbar" class="toolbar"></div>
    <div ref="editor" class="text"></div>
  </div>
</template>

<script>
import mixin from '@/mixins/mixin'
import E from 'wangeditor'
import {
     imgUploadUrl } from '@/api/url.js'
import SparkMD5 from 'spark-md5'
import {
     upload } from '@/api/api.js'

export default {
    
  name: 'Wangeditor',
  mixins: [mixin],
  props: {
    
    value: {
    
      type: String,
      default: ''
    },
    isClear: {
    
      type: Boolean,
      default: false
    },
    //  It is forbidden to modify the content 
    isDisabled: {
    
      type: Boolean,
      default: false
    }
  },
  watch: {
    
    isClear(val) {
    
      //  Clear the contents of the text field 
      if (val) {
    
        this.editor.txt.clear()
        this.info_ = null
      }
    },
    // value Input for edit box , Here I monitor the value , When the parent component calls , If value Assigned a value to , The child component will display the value assigned by the parent component 
    value(value) {
    
      if (value !== this.editor.txt.html()) {
    
        this.editor.txt.html(this.value)
      }
    }
  },
  model: {
    
    prop: 'value',
    event: 'change'
  },
  data() {
    
    return {
    
      info_: null,
      editor: null
    }
  },
  mounted() {
    
    this.setEditor()
    this.editor.txt.html(this.value)
    //  It is forbidden to modify the content 
    if (this.isDisabled) {
    
      this.editor.$textElem.attr('contenteditable', !this.isDisabled) // false  Indicates that modification is prohibited 
    }
  },
  methods: {
    
    setEditor() {
    
      this.editor = new E(this.$refs.toolbar, this.$refs.editor)
      this.editor.config.uploadImgShowBase64 = true // base 64  Store image 
      this.editor.config.uploadImgServer = imgUploadUrl //  Configure server address 
      this.editor.config.uploadImgHeaders = {
    } //  Customize  header
      this.editor.config.uploadFileName = 'file' //  The backend accepts the parameter name of the uploaded file 
      this.editor.config.uploadImgMaxSize = 2 * 1024 * 1024 //  Limit the size of the picture to  2M
      this.editor.config.uploadImgMaxLength = 1 //  Limit one upload at most  3  A picture 
      this.editor.config.uploadImgTimeout = 3 * 60 * 1000 //  Set timeout 

      //  Configuration menu 
      this.editor.config.menus = [
        'head', //  title 
        'bold', //  bold 
        'fontSize', //  Font size 
        'fontName', //  typeface 
        'italic', //  Italics 
        'underline', //  Underline 
        'strikeThrough', //  Delete line 
        'foreColor', //  Text color 
        'backColor', //  The background color 
        'link', //  Insert link 
        'list', //  list 
        'justify', //  Alignment mode 
        'quote', //  quote 
        'emoticon', //  expression 
        'image', //  Insert a picture 
        'table', //  form 
        'video', //  Insert the video 
        'code', //  Insert code 
        'undo', //  revoke 
        'redo', //  repeat 
        'fullscreen' //  Full screen 
      ]
      this.editor.config.uploadImgHooks = {
    
        before: (xhr, editor, files) => {
    
          // console.log(' Before uploading ')
        },
        success: (xhr, editor, result) => {
    
          // console.log(' Upload successful ');
        },
        fail: (xhr, editor, result) => {
    
          // console.log(' Reason for upload failure ：', result)
        },
        error: (xhr, editor) => {
    
          // console.log(' Upload error ');
        }
      }
      //  To upload pictures 
      this.editor.config.customUploadImg = (files, insert) => {
    
        const formData = new FormData()
        const name = files[0].name.replace(/.+\./, '')
        formData.append('file', files[0])
        formData.append('suffix', name)

        //  Calculation  MD5  value 
        const fileReader = new FileReader()
        const dataFile = files[0]
        // const blobSlice = File.prototype.slice || File.prototype.mozSlice || File.prototype.webkitSlice
        const spark = new SparkMD5.ArrayBuffer()
        fileReader.readAsArrayBuffer(dataFile)
        //  Execute functions asynchronously 
        fileReader.onload = e => {
    
          spark.append(e.target.result)
          const md5 = spark.end()
          formData.append('md5', md5)

          //  Upload 
          upload(imgUploadUrl, formData).then(res => {
    
            if (res.resultCode === 1) {
    
              const imgUrl = this.getImgUrl(res.data.id) //  Background return picture id
              insert(imgUrl) //  Generate  img  Tag and insert into the article 
            }
          })
        }
      }
      this.editor.config.onchange = html => {
    
        this.info_ = html //  Bind the currently entered value 
        this.$emit('change', this.info_) //  Synchronize content to parent component 
      }
      //  Create rich text editor 
      this.editor.create()
    }
  }
}
</script>

<style lang="scss" scoped>
.editor {
    
  width: 100%;

  .toolbar {
    
    border: 1px solid #cccccc;
  }

  .text {
    
    height: 250px;
    border: 1px solid #cccccc;
    border-top: none;

    /*  Scroll bar  */
    ::v-deep .w-e-text::-webkit-scrollbar {
    
      width: 10px;
      height: 10px;
      background-color: transparent;
    }
    /*  Rolling groove  */
    ::v-deep .w-e-text::-webkit-scrollbar-track {
    
      background-color: transparent;
    }
    /*  Scroll the slider  */
    ::v-deep .w-e-text::-webkit-scrollbar-thumb {
    
      border-radius: 5px;
      background-color: #c4c6cc;
    }
  }
}
</style>

3、 ... and 、 Use... In the parent component

<el-form-item
    label=" Central content "
    prop="centerSummary"
    >
		<Wangeditor v-model="form.centerSummary"></Wangeditor>
</el-form-item>

Four 、 Related links

• wangEditor5：https://www.wangeditor.com
• wangEditor4：https://www.wangeditor.com/v4