class upload_view(FileAdmin):    def _save_form_files(self, directory, path, form):        super()        filename = self._separator.join([directory, form.upload.data.filename])        if self.storage.path_exists(filename):            secure_name = self._separator.join([path, form.upload.data.filename])            raise Exception(gettext('File "%(name)s" already exists.',                                    name=secure_name))        else:            self.save_file(filename, form.upload.data)            self.on_file_upload(directory, path, filename)    @expose('/rename/', methods=('GET', 'POST'))    def rename(self):        """            Rename view method        """        form = self.name_form()        path = form.path.data        if path:            base_path, full_path, path = self._normalize_path(path)            return_url = self._get_dir_url('.index_view', op.dirname(path))        else:            return redirect(self.get_url('.index_view'))        if not self.can_rename:            flash(gettext('Renaming is disabled.'), 'error')            return redirect(return_url)        if not self.is_accessible_path(path):            flash(gettext('Permission denied.'), 'error')            return redirect(self._get_dir_url('.index_view'))        if not self.storage.path_exists(full_path):            flash(gettext('Path does not exist.'), 'error')            return redirect(return_url)        if self.validate_form(form):            try:                dir_base = op.dirname(full_path)                filename = form.name.data                self.storage.rename_path(full_path, self._separator.join([dir_base, filename]))                self.on_rename(full_path, dir_base, filename)                flash(gettext('Successfully renamed "%(src)s" to "%(dst)s"',                              src=op.basename(path),                              dst=filename), 'success')            except Exception as ex:                flash(gettext('Failed to rename: %(error)s', error=ex), 'error')            return redirect(return_url)        else:            helpers.flash_errors(form, message='Failed to rename: %(error)s')        if self.rename_modal and request.args.get('modal'):            template = self.rename_modal_template        else:            template = self.rename_template        return self.render(template, form=form, path=op.dirname(path),                           name=op.basename(path), dir_url=return_url,                           header_text=gettext('Rename %(name)s',                                               name=op.basename(path)))

就是重写FileAdmin中的一个方法和一个视图。

把secure_filename去掉了，虽然不安全，但是目前也没什么快速的方法了。

见到另一个解决方案是把汉字转拼音。使用pypinyin库。

把上传的文件名分解，汉字部分转拼音。字符继续保存。

然后数据库中建立对应关系。

还需要改下载的视图。

麻烦，留着以后加吧。