jszip+ant实现图片压缩包zip校验

进行一次上传文件前，校验zip包内图片大小，格式，压缩包大小格式等

ant组件上传前处理/代码块

  ...
  const { limit, zipLimit, zipName, handleLimitZipPic } = props

  const beforeUpload: any = async (file: any) => {
    console.log('file', file)
    const name = file.name
    const isZip = !!name.includes('zip')
    if (isZip && zipName && name.split(".")[0] !== zipName) {
      message.error(`压缩包名称必须为：${zipName}`)
      return Promise.reject()
    }
    if (isZip && zipLimit) {
      const isLt20M = file.size / 1000 / 1000 > zipLimit
      if (isLt20M) {
        message.error(`压缩包文件大小不能超过${zipLimit}M`)
        return Promise.reject()
      }
    }
    if (limit) {
      const isLt1M = file.size / 1000 / 1000 > limit
      if (isLt1M) {
        message.error(`文件大小不能超过${limit}M`)
        return Promise.reject()
      }
    }

    if (isZip && handleLimitZipPic) { // 处理压缩包里的内容
      await validateZip(file)
    }
    return new Promise((resolve, reject) => {
      ...
      resolve(file)
    })
  }
  ...

业务块

      ...
      import JSZip from 'jszip'
      ...
    /**  返回真实file文件的内容,包括压缩包,目前暂不支持excel */
    const handleLimitZipPic = (str: any) => {
        const isMac = function () {
            return /macintosh|mac os x/i.test(navigator.userAgent);
        }();
        return new Promise((resolve, reject) => {
            JSZip.loadAsync(str, {
                base64: true
            }).then(function (zip) {
                zip.forEach(function (relativePath, zipEntry: any) {
                    console.log('zipEntry', zipEntry)
                    /** 校验压缩包是否都是jpg和png为后缀的图片 */
                    // console.log(2333, zipEntry?.name.includes('.png') || zipEntry?.name.includes('.jpg'));
                    if (isMac) {
                        if (!(zipEntry?.name.includes('__MACOSX/') || zipEntry?.name.includes('.png') || zipEntry?.name.includes('.jpg'))) {
                            message.warn('压缩包必须全部都是以PNG/JPG格式的图片')
                            return reject('压缩包必须全部都是以PNG/JPG格式的图片')
                        }
                    } else {
                        if (!(zipEntry?.name.includes('.png') || zipEntry?.name.includes('.jpg'))) {
                            message.warn('压缩包必须全部都是以PNG/JPG格式的图片')
                            return reject('压缩包必须全部都是以PNG/JPG格式的图片')
                        }
                    }
                    if (zipEntry?._data?.uncompressedSize) {
                        const size = zipEntry?._data?.uncompressedSize
                        const isLt200k = size / 1000 > imgSingeleSizeLimit
                        if (isLt200k) {
                            const tip = `部分图片大小超过${imgSingeleSizeLimit}K,请重试`
                            message.error(tip)
                            return reject(tip)
                        }
                    }
                });
                return resolve(true)
            }, function (err: any) {
                console.log('err', err)
                return reject(err)
            });
        })
    }
      ...