提供BRAS（L2TP）拨号功能，可从XLS/XLSX文件中自动导入BRAS帐号，自动查找有效帐号和标记帐号。-Provide BRAS (L2TP) dial-up function can be obtained from XLS/XLSX files automatically import BRAS account automatically find a valid account and tag account.

js直接解析excel文件为json字符串,无需后端,前端利器,速度快兼容性强,方便易用!-js directly resolve excel file as json string, without the back-end, front-end tool, speed and compatibility, easy to use!