?? restaurantmenu32.java
字號:
package restaurant;
import java.io.*;
import java.sql.*;
import javax.swing.JOptionPane;
import java.util.Vector;
public class RestaurantMenu32{
private DBCon con;
private Read read;
private Write write;
private Exit exit;
private Common common;
ResultSet rs=null;
public Vector getRoomID(){
Vector vec = new Vector();
String sql="select * from room where flag='full'";
con = new DBCon();
read = new Read(con.getConnection());
rs=read.executeQuery(sql);
try{
while(rs.next()){
vec.addElement(rs.getString("id"));
}
}catch(SQLException e){
System.err.println(e.getMessage());
}
exit = new Exit(con.getConnection());
exit.Close();
return vec;
}
public Vector getFood(){
Vector vec = new Vector();
String sql="select name from food";
con = new DBCon();
read = new Read(con.getConnection());
rs=read.executeQuery(sql);
try{
while(rs.next()){
vec.addElement(rs.getString("name"));
}
}catch(SQLException e){
System.err.println(e.getMessage());
}
exit = new Exit(con.getConnection());
exit.Close();
return vec;
}
public int lookTotal(String name,String discount,String amount)
{
int total=0;
common = new Common();
name=common.toChinese(name);
String sql="select * from food where name='"+name+"'";
con = new DBCon();
read = new Read(con.getConnection());
rs=read.executeQuery(sql);
try{
rs.next();
total=rs.getInt("price")*Integer.parseInt(discount)*Integer.parseInt(amount)/10;
}catch(SQLException e){
System.err.println(e.getMessage());
}
exit = new Exit(con.getConnection());
exit.Close();
return total;
}
public boolean order(Vector vecOrder){
//寫入sales表
Vector vec=new Vector();
int pay=0;
common = new Common();
String sql="select * from roomBook where roomNo='"+common.toChinese((String)vecOrder.get(1))+"'";
con = new DBCon();
read = new Read(con.getConnection());
rs=read.executeQuery(sql);
try{
rs.next();
vec.addElement(rs.getString("customer"));
vec.addElement(rs.getString("type"));
vec.addElement(rs.getString("tel"));
}catch(SQLException e){
System.err.println(e.getMessage());
}
exit = new Exit(con.getConnection());
exit.Close();
sql="select * from food where name='"+common.toChinese((String)vecOrder.get(2))+"'";
con = new DBCon();
read = new Read(con.getConnection());
rs=read.executeQuery(sql);
try{
rs.next();
vec.addElement(rs.getString("foodType"));
pay=rs.getInt("price")*rs.getInt("discount");
}catch(SQLException e){
System.err.println(e.getMessage());
}
exit = new Exit(con.getConnection());
exit.Close();
sql="insert into sales values(";
sql+="'"+common.toChinese((String)vecOrder.get(0))+"',"; //業務員
sql+="'"+common.toChinese((String)vecOrder.get(1))+"',";//房號
sql+="'"+common.toChinese((String)vec.get(0))+"',"; //顧客
sql+="'"+common.toChinese((String)vec.get(1))+"',"; //顧客類型
sql+="'"+common.toChinese((String)vec.get(2))+"',"; //顧客電話
sql+="'"+common.toChinese((String)vecOrder.get(2))+"',";//食品名字
sql+="'"+common.toChinese((String)vec.get(3))+"',"; //食品類型
sql+=Integer.parseInt(common.toChinese((String)vecOrder.get(3)))+",";//數量
sql+=Integer.parseInt(common.toChinese((String)vecOrder.get(4)))+",";//折扣
sql+=Integer.parseInt(common.toChinese((String)vecOrder.get(3)))*pay/10+",";
sql+="now(),";
sql+="'"+common.toChinese((String)vecOrder.get(5))+"')";
con = new DBCon();
write = new Write(con.getConnection());
write.executeUpdate(sql);
common=new Common();
common.WriteSystemLog("顧客"+common.toChinese((String)vec.get(0))+"結帳. 操作員:"+common.toChinese((String)vecOrder.get(0))+"."+common.getNowTime());
exit = new Exit(con.getConnection());
exit.Close();
return true;
}
public void pay(String roomID){
//寫入sales表
Vector vec=new Vector();
int pay=0;
String sql="update room set flag='empty' where id='"+roomID+"'";
con = new DBCon();
read = new Read(con.getConnection());
rs=read.executeQuery(sql);
con = new DBCon();
write = new Write(con.getConnection());
write.executeUpdate(sql);
exit = new Exit(con.getConnection());
exit.Close();
}
}
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