private void label2_Click(object sender, EventArgs e)
{
timer1.Enabled = false;
loginChoice lc = new loginChoice();
lc.ShowDialog(this);
}
private void timer1_Tick(object sender, EventArgs e)
{
sum++;
if (sum < 200)
{
ihdev = fw_init(100, 0);//baud 115200
if (ihdev > 0)
{
ulong[] cardnumber = new ulong[3];
int state = fw_card(ihdev, 0, cardnumber);
if (state != 0)
{
MessageBox.Show("卡片读取异常！");
fw_exit(ihdev);
}
else
{
//var tmp = x.logon(null, null, cardnumber[0].ToString(), null);
//创建数据库连接类的对象
SqlConnection con = new SqlConnection("server=.;database=RD;user=sa;pwd=Sa123456");
//将连接打开
con.Open();
//执行con对象的函数，返回一个SqlCommand类型的对象
SqlCommand cmd = con.CreateCommand();
//把输入的数据拼接成sql语句，并交给cmd对象
cmd.CommandText = "select * from [user] where IC ='" + cardnumber[0] + "'";
//用cmd的函数执行语句，返回SqlDataReader对象dr,dr就是返回的结果集（也就是数据库中查询到的表数据）
SqlDataReader dr = cmd.ExecuteReader();
//用dr的read函数，每执行一次，返回一个包含下一行数据的集合dr，在执行read函数之前，dr并不是集合
if (dr.Read())
{
login_time = DateTime.Now.ToString("");
user = dr["id"].ToString();
fw_exit(ihdev);
timer1.Enabled = false;
this.Close();
_0_loginOK ok = new _0_loginOK();
ok.ShowDialog(this);
Thread thread = new Thread(showform);
thread.IsBackground = false;
thread.Start();
}
else
{
MessageBox.Show("用户不存在！");
fw_exit(ihdev);
}
}
}
}
else
{
timer1.Enabled = false;
loginChoice error = new loginChoice();
error.ShowDialog(this);
}
}
private void label1_Click(object sender, EventArgs e)
{
timer1.Enabled = false;
timer2.Enabled = false;
this.videoSourcePlayer1.Stop();
this.videoSourcePlayer1.Dispose();
loginChoice lc = new loginChoice();
lc.ShowDialog(this);
}
private void label4_Click(object sender, EventArgs e)
{
loginChoice lc = new loginChoice();
lc.ShowDialog(this);
}
