private void b1_Click(object sender, EventArgs e) { client = new RedisClient("127.0.0.1", 6379); s1 = username.Text; s2 = pwd.Text; if (s1 == "") { MessageBox.Show("用户名不能为空!"); } else { if (s2 == "") { MessageBox.Show("密码不能为空!"); } else if (client.Get <string>(s1) == s2 && client.Exists(s1) == 1) { this.Visible = false; Login_in f = new Login_in(); url = username.Text; f.user = url; f.ShowDialog(); } else { MessageBox.Show("登录失败!"); } } }