• v-md-editor的简易二次封装,新增导入、下载功能
# use npm
npm i @kangc/v-md-editor -S
# use yarn
yarn add @kangc/v-md-editor
<template>
  <v-md-editor
    class="markdown"
    v-model="content"
    :mode="mode"
    :tab-size="tabSize"
    :toc-nav-position-right="tocNavPositionRight"
    :default-show-toc="defaultShowToc"
    :placeholder="placeholder"
    :autofocus="autofocus"
    :default-fullscreen="defaultFullscreen"
    :include-level="includeLevel"
    :left-toolbar="leftToolbar"
    :right-toolbar="rightToolbar"
    :toolbar-config="toolbarConfig"
    :toolbar="toolbar"
    :disabled-menus="disabledMenus"
    :upload-image-config="uploadImageConfig"
    :before-preview-change="beforePreviewChange"
    :codemirror-config="codemirrorConfig"
    :codemirror-style-reset="codemirrorStyleReset"
    @upload-image="handleUploadImage"
    @copy-code-success="handleCopyCodeSuccess"
    @save="save"
    height="100%"
  ></v-md-editor>
</template>

<script>
import readFile from "../utils/readfile.js";
import { saveLocal } from "../utils/download.js";
export default {
  name: "MarkdownCom",
  props: {
    mode: {
      type: String,
      default: "editable",
    },
  },
  data() {
    return {
      content: "", // 内容
      tabSize: 2, //制表符长度
      defaultShowToc: false, //是否默认显示目录导航
      tocNavPositionRight: false, // 目录导航是否在右侧,
      placeholder: "请使用markdown语法编写", //提示信息
      autofocus: false, //编辑器加载完是否自动聚焦
      defaultFullscreen: false, // 是否默认开启全屏
      includeLevel: [1, 2, 3], // 目录导航生成时包含的标题。默认包含 2 级、3 级标题。
      leftToolbar:
        "h bold italic strikethrough quote | ul ol table hr | link image code | undo redo clear | save export import", // 左侧工具栏
      rightToolbar: "preview toc sync-scroll fullscreen", // 右侧工具栏
      // 内置 toolbar 的一些配置
      toolbarConfig: {
        "image-link": {
          // 是否在插入图片链接的时候默认带上width height 属性,默认值:false
          insertWithSize: false,
        },
      },
      disabledMenus: [], // 禁用菜单  ['image/upload-image',h/h1]
      uploadImageConfig: { accept: "image/*" }, // 上传本地图片的相关配置
      codemirrorConfig: {}, // 初始化 Codemirror 的配置。将会与内部的默认的配置合并
      codemirrorStyleReset: true, // 是否对 codemirror 编辑器的部分样式进行优化。若关闭,则会恢复 codemirror 编辑器默认的样式
      // 自定义工具栏
      toolbar: {
        export: {
          title: "导出",
          icon: "el-icon-download",
          action(editor) {
            const title =
              (editor.titles.length && `${editor.titles?.[0]?.title}.md`) ||
              "下载.md";
            saveLocal(title, editor.text);
          },
        },
        import: {
          title: "导入",
          icon: "el-icon-upload2",
          action(editor) {
            readFile()
              .then((res) => {
                console.log(editor);
                editor.insert(() => {
                  return { text: res };
                });
              })
              .catch(() => {
                console.log("导入失败");
              });
          },
        },
      },
    };
  },
  methods: {
    // 在预览解析前触发的函数,配置此属性后必须要调用 next 方法并传入需要渲染的 md 文本,否则 preview 组件将不会进行渲染。
    beforePreviewChange(text, next) {
      next();
    },
    // eslint-disable-next-line no-unused-vars
    save(text, html) {
      console.log("保存", text, html);
    },
    handleUploadImage(event, insertImage, files) {
      console.log(event, files);
      insertImage({
        url: "https://ss0.bdstatic.com/70cFvHSh_Q1YnxGkpoWK1HF6hhy/it/u=1269952892,3525182336&fm=26&gp=0.jpg",
        desc: "七龙珠",
        width: "auto",
        height: "auto",
      });
    },
    // eslint-disable-next-line no-unused-vars
    handleCopyCodeSuccess(code) {},
  },
};
</script>

<style  lang="scss">
.markdown {
  .v-md-editor__toolbar-item {
    font-size: 20px !important;
  }
}
</style>
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