/** 異步等待 */
function sleep(delay) {
  return new Promise((resolve) => {
    setTimeout(() => {
      resolve();
    }, delay);
  });
}

/**
 * 插入一個空段落
 * @description 為了插入圖片/視頻后，光標(biāo)不被圖片覆蓋
 * @param {*} editor
 */
function insertPragraph(editor) {
  const p = { type: "paragraph", children: [{ text: "" }] };
  editor.insertNode(p);
}

/**
 * 自定義粘貼
 * @description 富文本自定義粘貼
 */
export async function customPasteItemFunc(editor, event) {
  try {
    /** 粘貼事件 */
    const clipboardData = event.clipboardData;
    if (clipboardData && clipboardData.items) {
      for (let i = 0; i < clipboardData.items.length; i++) {
        const item = clipboardData.items[i];
        if (item.type.indexOf("image") !== -1) {
          /** 粘貼圖片 */
          const file = item.getAsFile();
          if (file) {
            const notify = this.$notify({
              title: '提示',
              message: '當(dāng)前有正在上傳的媒體文件',
              duration: 0,
              showClose: false,
              type: 'warning'
            });
            const { code, data } = await uploadFile(file);
            notify.close();
            if (code !== 0) {
              throw new Error("圖片上傳失敗");
            }
            const elem = {
              type: "image",
              src: data.url,
              alt: "bvox",
              href: "",
              children: [{ text: "" }], // void node 必須包含一個空 text
            };
            editor.insertNode(elem); // 插入圖片
            insertPragraph(editor); // 插入一個空段落
          }
        }
        // 如果是由視頻文件
        else if (item.type.indexOf("video") !== -1) {
          const file = item.getAsFile();
          if (file) {
            const notify = this.$notify({
              title: '提示',
              message: '當(dāng)前有正在上傳的媒體文件',
              duration: 0,
              showClose: false,
              type: 'warning'
            });
            const { code, data } = await uploadFile(file);
            notify.close();
            if (code !== 0) {
              throw new Error("視頻上傳失敗");
            }
            const elem = {
              type: "video",
              src: data.url,
              poster,
              width: 530,
              height: 220,
              children: [{ text: "" }],
            };
            editor.insertNode(elem); // 插入視頻
            insertPragraph(editor); // 插入一個空段落
          }
        } else if (item.type.indexOf("text/html") !== -1) {
          // 自定義復(fù)制
          const html = clipboardData.getData("text/html");
          const text = clipboardData.getData("text/plain");
          const resultImgs = html.match(/<img[^>]+>/g);
          const imgNodes = [];
          // 將匹配到的所有圖片插入到編輯器中
          if (resultImgs) {
            resultImgs.forEach((img) => {
              const imgUrl = img.match(/src="([^"]+)"/)[1];
              const elem = {
                type: "image",
                src: imgUrl,
                alt: "bvox",
                href: "",
                children: [{ text: "" }], // void node 必須包含一個空 text
              };
              imgNodes.push(elem);
            });
          }
          // 多圖插入
          const positions = text.split("\n");
          if (positions.length > 1) {
            for (let i = 0; i < positions.length; i++) {
              if (positions[i] === "[圖片]") {
                editor.insertNode(imgNodes.shift());
                insertPragraph(editor); // 插入一個空段落
                await sleep(1000);
              } else {
                editor.insertText(positions[i]);
                await sleep(300);
              }
            }
          }
        }
      }
    }
  } catch (e) {
    this.$Message.error(e.message);
  }
}

<Editor
  ....
  @customPaste="handleCustomPaste"
/>

method: {
  handleCustomPaste(editor, event) {
      customPasteItemFunc.call(this, editor, event);
      // 阻止默認(rèn)的粘貼行為
      event.preventDefault()
      return false;
    }
}