public partial class Form1 : Form

    {



        

        public Form1()

        {

            InitializeComponent();

        }

        static List<user> user1 = new List<user>();

        private void btn_add_Click(object sender, EventArgs e)//添加按钮

        {

           

            listBox1.Items.Add(txb_user.Text);

            user u = new user();

            u.userName = txb_user.Text;

            u.userpassword = txb_password.Text;

            if (rdb_admin.Checked)

            {

                u.select = rdb_admin.Text;

            }

            if (rdb_read.Checked)

            {

                u.select = rdb_read.Text;

            }

            if (rdb_readwrite.Checked)

            {

                u.select = rdb_readwrite.Text;



            }

            if (rdb_write.Checked)

            {

                u.select = rdb_write.Text;

            }