const fileSystemManager = tt.getFileSystemManager();
fileSystemManager.getSavedFileList({
  success(res) {
    res.fileList.forEach(removeExt);
  },
  fail(res) {
    console.log("获取失败", res.errMsg);
  },
});
/**
 * @param {*} fileItem
 * @param {string} fileItem.filePath
 * @param {number} fileItem.createTime
 * @param {number} fileItem.size
 */
function removeExt(fileItem) {
  console.log(`移除 ${fileItem.filePath} 的 ext`);
  const newPath = fileItem.filePath.replace(/(\..+)?$/, "");
  try {
    fileSystemManager.renameSync(fileItem.filePath, newPath);
    console.log("重命名成功");
  } catch (err) {
    console.log("重命名失败", err);
  }
}