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Payment.java
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package oodp;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.PreparedStatement;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Iterator;
import javax.swing.JOptionPane;
public class Payment extends MainBoard{
public void Pay_Point(Menu menu)
{
Connection conn = null;
Customer user=MainBoard.getInstanceCustomer();
ResultSet is_login=null, inventory=null, account=null;
try
{
Class.forName("com.mysql.jdbc.Driver").newInstance();
conn=DriverManager.getConnection("jdbc:mysql://localhost:3306/project", "root", "bitnami");
if(!conn.isClosed()){
System.out.println("Successfully connected to MySQL server...");
PreparedStatement s;
if(!user.getId().equals("Outsider"))
{
s = conn.prepareStatement
("SELECT id FROM stuinfo WHERE id=?");
s.setString(1, user.getId());
is_login=s.executeQuery();
is_login.next();
s = conn.prepareStatement
("SELECT cur_num FROM menu WHERE list=?");
s.setString(1, menu.menuList);
inventory=s.executeQuery();
inventory.next();
s = conn.prepareStatement
("SELECT point FROM stuinfo WHERE id=?");
s.setString(1, user.getId());
account=s.executeQuery();
account.next();
if(inventory.getInt("cur_num")>0 && account.getInt("point") >= menu.menuPrice)
{
//남은 재고 확인
s = conn.prepareStatement
("UPDATE menu SET sold_num =sold_num+1,cur_num=cur_num-1 WHERE list=?");
s.setString(1, menu.menuList);
s.executeUpdate();
//현재 계좌 정보 확인,
s = conn.prepareStatement
("UPDATE stuinfo SET point=point-"+menu.menuPrice+" WHERE id=?");
s.setString(1, user.getId());
s.executeUpdate();
JOptionPane.showMessageDialog(null, "결제 완료 되었습니다.");
s.close();
}
else if (inventory.getInt("cur_num")>0)
{
JOptionPane.showMessageDialog(null, "포인트가 부족합니다.");
}
else if(account.getInt("point") >= menu.menuPrice)
{
JOptionPane.showMessageDialog(null, "재고가 부족합니다.");
}
}
else //id가 db에 없으면
{
JOptionPane.showMessageDialog(null, "포인트를 이용할 수 없습니다.");
}
}
}
catch(Exception exc)
{
System.err.println("Exception: " + exc.getMessage());
}
}
public void Pay_Cash(Menu menu)
{
Connection conn = null;
Customer user=MainBoard.getInstanceCustomer();
ResultSet is_login=null, inventory=null;
String input;
int money;
try
{
Class.forName("com.mysql.jdbc.Driver").newInstance();
conn=DriverManager.getConnection("jdbc:mysql://localhost:3306/project", "root", "bitnami");
if(!conn.isClosed()){
System.out.println("Successfully connected to MySQL server...");
PreparedStatement s;
if(!user.getId().equals("Outsider"))
{
s = conn.prepareStatement
("SELECT id FROM stuinfo WHERE id=?");
s.setString(1, user.getId());
is_login=s.executeQuery();
is_login.next();
s = conn.prepareStatement
("SELECT cur_num FROM menu WHERE list=?");
s.setString(1, menu.menuList);
inventory=s.executeQuery();
inventory.next();
input = JOptionPane.showInputDialog("현재 가지고 있는 현금의 액수를 입력하여 주세요.");
money = Integer.parseInt(input);
if(inventory.getInt("cur_num")>0 && money >= menu.menuPrice)
{
//남은 재고 확인
s = conn.prepareStatement
("UPDATE menu SET sold_num =sold_num+1,cur_num=cur_num-1 WHERE list=?");
s.setString(1, menu.menuList);
s.executeUpdate();
JOptionPane.showMessageDialog(null, "결제가 완료되었습니다.\n현재 잔액은 "+(money-menu.menuPrice)+"입니다.");
}
else if (inventory.getInt("cur_num")>0)
{
JOptionPane.showMessageDialog(null, "현금이 부족합니다.");
}
else if( money >= menu.menuPrice)
{
JOptionPane.showMessageDialog(null, "재고가 부족합니다.");
}
}
else
{
s = conn.prepareStatement
("SELECT cur_num FROM menu WHERE list=?");
s.setString(1, menu.menuList);
inventory=s.executeQuery();
inventory.next();
input = JOptionPane.showInputDialog("현재 가지고 있는 현금의 액수를 입력하여 주세요.");
money = Integer.parseInt(input);
if(inventory.getInt("cur_num")>0 && money >= menu.menuPrice)
{
//남은 재고 확인
s = conn.prepareStatement
("UPDATE menu SET sold_num =sold_num+1,cur_num=cur_num-1 WHERE list=?");
s.setString(1, menu.menuList);
s.executeUpdate();
JOptionPane.showMessageDialog(null, "결제가 완료되었습니다.\n현재 잔액은 "+(money-menu.menuPrice)+"입니다.");
}
else if (inventory.getInt("cur_num")>0)
{
JOptionPane.showMessageDialog(null, "현금이 부족합니다.");
}
else if( money >= menu.menuPrice)
{
JOptionPane.showMessageDialog(null, "재고가 부족합니다.");
}
}
s.close();
}
}
catch(Exception exc)
{
System.err.println("Exception: " + exc.getMessage());
}
}
public void Pay_Coupon(Menu menu)
{
Connection conn = null;
Customer user=MainBoard.getInstanceCustomer();
ResultSet is_login=null, inventory=null,account=null;
try
{
Class.forName("com.mysql.jdbc.Driver").newInstance();
conn=DriverManager.getConnection("jdbc:mysql://localhost:3306/project", "root", "bitnami");
if(!conn.isClosed()){
System.out.println("Successfully connected to MySQL server...");
PreparedStatement s;
if(!user.getId().equalsIgnoreCase("Outsider"))
{
s = conn.prepareStatement
("SELECT id FROM stuinfo WHERE id=?");
s.setString(1, user.getId());
is_login=s.executeQuery();
is_login.next();
s = conn.prepareStatement
("SELECT cur_num FROM menu WHERE list=?");
s.setString(1, menu.menuList);
inventory=s.executeQuery();
inventory.next();
s = conn.prepareStatement
("SELECT coupon FROM stuinfo WHERE id=?");
s.setString(1, user.getId());
account=s.executeQuery();
account.next();
if(inventory.getInt("cur_num")>0 && account.getInt("coupon") >= 1)
{
//남은 재고 확인
s = conn.prepareStatement
("UPDATE menu SET sold_num =sold_num+1,cur_num=cur_num-1 WHERE list=?");
s.setString(1, menu.menuList);
s.executeUpdate();
//현재 계좌 정보 확인,
s = conn.prepareStatement
("UPDATE stuinfo SET coupon=coupon-1 WHERE id=?");
s.setString(1, user.getId());
s.executeUpdate();
JOptionPane.showMessageDialog(null, "쿠폰 결제가 완료되었습니다.");
s.close();
}
else if (inventory.getInt("cur_num")>0)
{
JOptionPane.showMessageDialog(null, "쿠폰이 부족합니다.");
}
else if(account.getInt("coupon") >= 1)
{
JOptionPane.showMessageDialog(null, "재고가 부족합니다.");
}
}
else
{
JOptionPane.showMessageDialog(null, "쿠폰을 사용할 수 없습니다.");
}
}
}
catch(Exception exc)
{
System.err.println("Exception: " + exc.getMessage());
}
}
}