shougang-wms-mini/src/components/upload/hooks.js

import {previewMedia} from '@tarojs/taro';

export function usePreview(files) {
  function onPreview(idx) {
    return function() {
      previewMedia({
        sources: files.map(url => ({url})),
        current: idx,
      });
    };
  }

  return onPreview;
}