private void backButton_Click(object sender, EventArgs e) { this.Hide(); HomeForm form = new HomeForm(); form.Show(); this.Close(); }
private void 返回ToolStripMenuItem_Click(object sender, EventArgs e) { PublicMethod.loginFlag = 0; //全局变量是否登录恢复默认 PublicMethod.user_id = ""; //全局变量用户ID恢复默认 PublicMethod.username = ""; //全局变量用户名恢复默认 this.Hide(); HomeForm form = new HomeForm(); form.Show(); this.Close(); }
private void backButton_Click(object sender, EventArgs e) { if (PublicMethod.loginFlag == 1) { this.Hide(); UserHome form = new UserHome(); form.Show(); this.Close(); } else { this.Hide(); HomeForm form = new HomeForm(); form.Show(); this.Close(); } }
private void registerButton_Click(object sender, EventArgs e) { var username = usernameTextBox.Text;//获取注册的用户名 string sex = ""; var password = passwordTextBox4.Text; //获取注册的用户密码 var againPassword = pwdAgainiTextBox5.Text; //获取注册的重复用户密码 var userNO = idNumTextBox3.Text; //获取注册用户的身份证 bool[] flag = { false, false, false, false }; //username = "******"; //sex = "女"; //password = "******"; //againPassword = "******"; //userNO = "111111111111111111"; userTip.Visible = false; checkUsername.Visible = false; sexTip.Visible = false; pwdTip.Visible = false; checkPwd.Visible = false; againPwdTip.Visible = false; checkAgainpwd.Visible = false; checkID.Visible = false; IDTip.Visible = false; checkUser.Visible = false; if (sexComboBox1.SelectedItem != null) { sex = sexComboBox1.SelectedItem.ToString();//获取注册的用户性别 flag[1] = true; } else { sexTip.Visible = true; } if (username == "") { userTip.Visible = true; } else if (username.Length < 2) { checkUsername.Visible = true; } else { flag[0] = true; } if (password == "") { pwdTip.Visible = true; } else if (password.Length < 6 || password.Length > 10) { checkPwd.Visible = true; } else { if (againPassword == "") { againPwdTip.Visible = true; } else if (password != againPassword) { checkAgainpwd.Visible = true; } else { flag[2] = true; } } if (userNO == "") { IDTip.Visible = true; } else if (userNO.Length != 18) { checkID.Visible = true; } else { flag[3] = true; } if (flag[0] && flag[1] && flag[2] && flag[3]) { for (var i = 0; i < 4; i++) { flag[i] = false; } MySqlConnection connection = new MySqlConnection(PublicMethod._connectionString); connection.Open(); string findIDSql = "select idNum from t_user where idNum='" + userNO + "'"; MySqlCommand sqlCom = new MySqlCommand(findIDSql, connection); MySqlDataReader sdr = sqlCom.ExecuteReader(); sdr.Read(); if (sdr.HasRows) { checkUser.Visible = true; } else { PublicMethod query = new PublicMethod(); string strSql = "insert into t_user(user_id,username,password,sex,idNum) values (LEFT(MD5(RAND()), 5),'" + username + "','" + password + "','" + sex + "','" + userNO + "')"; if (query.ExecuteNonQuery(strSql, PublicMethod._connectionString) > 0) { if (MessageBox.Show("注册成功!确定返回登录", "提示", MessageBoxButtons.OK) == DialogResult.OK) { this.Hide(); HomeForm form = new HomeForm(); form.Show(); this.Close(); } } else { MessageBox.Show("注册失败!", "信息提示"); } } sdr.Close(); connection.Close(); } }