一个简单的登录系统，管理员账户能够添加删除用户，账户密码保存在数据库中，数据库用的是access，访问的文件类型为.mdb格式的-A simple login system administrator can add and delete user accounts, account password stored in the , the with the access, the file type of access to .mdb format

针对MDB数据库文件，利用labview实现数据库正确读写，操作简单无错误。-For the MDB file, using the labview read and write properly, the operation is simple without error.