HarmonyOS webview加载h5页面点击拍照相册webview怎么做兼容

Web({xxxx}) 
   .onInterceptRequest((event) => { 
         if (!event) { 
           return null 
         } 
         const url = event?.request?.getRequestUrl() 
         if (isFileUri(url)) { 
           const path = url 
           const file = fs.openSync(path, fs.OpenMode.READ_ONLY) 
           const fd = file.fd 
           const responseWeb = new WebResourceResponse() 
           responseWeb.setResponseData(fd) 
           responseWeb.setResponseCode(200) 
           responseWeb.setReasonMessage('OK') 
           responseWeb.setResponseIsReady(true) 
           console.info(TAG, `responseWeb`) 
           return responseWeb 
         } 
         return null 
       }) 
export function isFileUri (path: string): boolean { 
  if (path && typeof(path) === 'string' && (path.startsWith('file://') || path.startsWith('datashare://'))) { 
 return true 
  } 
  return false 
}
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