HarmonyOS如何获取$rawfile文件在本机中的uri地址？

async function resourceFile(resourcePath: string) { 
  //1.读取文件 
  let uint8Array: Uint8Array = getContext() 
    .createModuleContext("library") 
    .resourceManager 
    .getRawFileContentSync(resourcePath); 
  let fileName = resourcePath.substring(resourcePath.lastIndexOf('/') + 1); 
  console.log("${tag} fileName:S{fileName}"); 
  //2.创建沙箱文件 
  let filePath = getContext().createModuleContext("library").filesDir + '/' + fileName; 
  if (fs.accessSync(filePath)) { 
    fs.unlinkSync(filePath) 
  } 
  let file: fs.File = fs.openSync(filePath, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE); 
  // 3.resource下文件写入沙箱文件 
  fs.writeSync(file.fd, uint8Array.buffer); 
  // 4.关闭文件 
  fs.closeSync(file); 
  console.log("S{tag) filePatheS(filePath}"); 
  return filePath; 
}
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