安装uill-image-resize

npm install quill-image-resize --save

在项目中导入并注册插件

import { QuillEditor, Quill } from '@vueup/vue-quill';
import ImageUploader from 'quill-image-uploader';
import ImageResize from 'quill-image-resize'; //导入插件
import '@vueup/vue-quill/dist/vue-quill.snow.css';

// 注册插件
Quill.register('modules/imageResize', ImageResize);

export default {
  components: {
    QuillEditor,
  },
  data() {
    return {
      editorOption: {
        modules: {
          imageResize: {}, // 图像缩放
          toolbar: [/* 工具栏配置 */],
        },
      },
    };
  },
};

效果