html

<a @click="downloadAttach(record.memoryAddress)">下载附件</a>

js

downloadAttach(url){var fileUrl = window._CONFIG['staticDomainURL'] + url;window.open(fileUrl);
}

配置文件

window._CONFIG['staticDomainURL'] = 'http://127.0.0.1:3000/xxx/sys/common/static';