public MenuSelect(string sql, POSMain parent, int tablenum)
{
//SQL로그인 정보 / 부모 정보 / 테이블 번호
SQLLOGIN = sql;
father = parent;
tablenumber = tablenum;
InitializeComponent();
}
public Pay(int cost, int tnumber, string sql, POSMain parent)
{
TableNumber = tnumber;
SQLLOGIN = sql;
Fullcost = cost;
father = parent;
InitializeComponent();
}
private void BtnOffline_Click(object sender, EventArgs e)
{
POSMain Form = new POSMain("Offline", this);
Form.Show();
this.Hide();
//MessageBox.Show("설계 중...");
}
private void BtnLogin_Click(object sender, EventArgs e)
{
if (TxtID.Text == "" || TxtPort.Text == "") // 입력되지 않은 경우
{
MessageBox.Show("Port번호가 입력되지 않았습니다.");
}
else //입력된 값이 있을 경우 DB 연결 시도
{
string SQLLOGIN = "******" + TxtPort.Text + "; Database=; Uid="
+ TxtID.Text + "; Pwd=" + TxtPW.Text;
MySqlConnection connection = new MySqlConnection(SQLLOGIN);
try
{
connection.Open(); // 연결 시도
MessageBox.Show("연결되었습니다! POS프로그램을 실행합니다");
string query = "USE SOSIL_POS";
MySqlCommand command = new MySqlCommand(query, connection);
try
{
command.ExecuteNonQuery();
}
catch //DB가 없을 때, DB와 테이블을 만든다
{
string DBcreate = "CREATE DATABASE SOSIL_POS default CHARACTER SET UTF8";
MySqlCommand createDB = new MySqlCommand(DBcreate, connection);
createDB.ExecuteNonQuery();
command.ExecuteNonQuery();
DBcreate = "CREATE TABLE MENUDATA(`name` VARCHAR(20) PRIMARY KEY NOT NULL," +
"`price` INT NOT NULL);";
createDB = new MySqlCommand(DBcreate, connection);
createDB.ExecuteNonQuery();
command.ExecuteNonQuery(); // 만들고 다시 연결
}
//오늘 날짜의 매출 기록용 DB
string date = DateTime.Now.ToString("yyyyMMdd");
//DB 생성 여부를 질의
query = "SHOW TABLES LIKE '" + date + "'";
command = new MySqlCommand(query, connection);
MySqlDataReader reader = command.ExecuteReader();
reader.Read();
try
{
//이미 생성되어있는 경우
if (reader[0] != DBNull.Value)
{
reader.Close();
}
}
catch (MySqlException)
{
//생성되지 않아 Exception 발생 시 새로 생성
reader.Close();
query = "CREATE TABLE `" + date + "`(num INT PRIMARY KEY AUTO_INCREMENT," +
"`times` CHAR(10) NOT NULL," +
"`sales` INT NOT NULL);";
MySqlCommand CreateDaily = new MySqlCommand(query, connection);
CreateDaily.ExecuteNonQuery();
MessageBox.Show("좋은 하루 되세요."); //첫 기동시에만 나옴
}
connection.Close();
SQLLOGIN = "******" + TxtPort.Text + "; Database=SOSIL_POS; Uid="
+ TxtID.Text + "; Pwd=" + TxtPW.Text;
POSMain Form = new POSMain(SQLLOGIN, this);
Form.Show();
this.Hide();
}
catch (MySqlException ex)
{
MessageBox.Show("연결이 거부되었습니다! \r\n 로그인 데이터 및 MYSQL상태를 확인해주세요." + ex);
}
catch (Exception ex)
{
MessageBox.Show("Unknown Exception: \r\n" + ex);
}
}
}
