npm install vue-quill-editor --save

npm install quill --save

<template>
    <div class="edit_container">
        <quill-editor 
            v-model="content" 
            ref="myQuillEditor" 
            :options="editorOption" 
            @blur="onEditorBlur($event)" @focus="onEditorFocus($event)"
            @change="onEditorChange($event)">
        </quill-editor>
    </div>
</template>
<script>

import { quillEditor } from "vue-quill-editor"; //调用编辑器
import 'quill/dist/quill.core.css';
import 'quill/dist/quill.snow.css';
import 'quill/dist/quill.bubble.css';

export default {
    components: {
    
        quillEditor
        
    },
    data() {
        return {
            content: `<p></p><p><br></p><ol><li><strong><em>Or drag/paste an image here.</em></strong></li><li><strong><em>rerew</em></strong></li><li><strong><em>rtrete</em></strong></li><li><strong><em>tytrytr</em></strong></li><li><strong><em>uytu</em></strong></li></ol>`,
            editorOption: {}
        }
    },
    methods: {
        onEditorReady(editor) { // 准备编辑器
 
        },
        onEditorBlur(){}, // 失去焦点事件
        onEditorFocus(){}, // 获得焦点事件
        onEditorChange(){}, // 内容改变事件
    },
    computed: {
        editor() {
            return this.$refs.myQuillEditor.quill;
        },
    }
}
</script>

editorOption: {
              placeholder: "请在这里输入",
              modules:{
                toolbar:[
                          ['bold', 'italic', 'underline', 'strike'],    //加粗，斜体，下划线，删除线
                          ['blockquote', 'code-block'],     //引用，代码块
                          [{ 'header': 1 }, { 'header': 2 }],        // 标题，键值对的形式；1、2表示字体大小
                          [{ 'list': 'ordered'}, { 'list': 'bullet' }],     //列表
                          [{ 'script': 'sub'}, { 'script': 'super' }],   // 上下标
                          [{ 'indent': '-1'}, { 'indent': '+1' }],     // 缩进
                          [{ 'direction': 'rtl' }],             // 文本方向
                          [{ 'size': ['small', false, 'large', 'huge'] }], // 字体大小
                          [{ 'header': [1, 2, 3, 4, 5, 6, false] }],     //几级标题
                          [{ 'color': [] }, { 'background': [] }],     // 字体颜色，字体背景颜色
                          [{ 'font': [] }],     //字体
                          [{ 'align': [] }],    //对齐方式
                          ['clean'],    //清除字体样式
                          ['image','video']    //上传图片、上传视频
                          ]
                      }
                },

//把实体格式字符串转义成HTML格式的字符串
escapeStringHTML(str) {
    str = str.replace(/&lt;/g,'<');
    str = str.replace(/&gt;/g,'>');
    return str;
}

<div v-html="str" class="ql-editor">
    {{str}}
</div>

<template>
    <div class="edit_container">
        <!--  新增时输入 -->
        <quill-editor 
            v-model="content" 
            ref="myQuillEditor" 
            :options="editorOption" 
            @blur="onEditorBlur($event)" @focus="onEditorFocus($event)"
            @change="onEditorChange($event)">
        </quill-editor>
        <!-- 从数据库读取展示 -->
        <div v-html="str" class="ql-editor">
            {{str}}
        </div>
    </div>
</template>
<script>
import { quillEditor } from "vue-quill-editor"; //调用编辑器
import 'quill/dist/quill.core.css';
import 'quill/dist/quill.snow.css';
import 'quill/dist/quill.bubble.css';
export default {
    components: {
        quillEditor
    },
    data() {
        return {
            content: `<p></p><p><br></p><ol><li><strong><em>Or drag/paste an image here.</em></strong></li><li><strong><em>rerew</em></strong></li><li><strong><em>rtrete</em></strong></li><li><strong><em>tytrytr</em></strong></li><li><strong><em>uytu</em></strong></li></ol>`,
            str: '',
            editorOption: {}
        }
    },
    methods: {
        onEditorReady(editor) { // 准备编辑器
 
        },
        onEditorBlur(){}, // 失去焦点事件
        onEditorFocus(){}, // 获得焦点事件
        onEditorChange(){}, // 内容改变事件
        // 转码
        escapeStringHTML(str) {
            str = str.replace(/&lt;/g,'<');
            str = str.replace(/&gt;/g,'>');
            return str;
        }
    },
    computed: {
        editor() {
            return this.$refs.myQuillEditor.quill;
        },
    },
    mounted() {
        let content = '';  // 请求后台返回的内容字符串
        this.str = this.escapeStringHTML(content);
    }
}
</script>