expensefactory.java

关于汽车的购买系统,收费系统,汽车耗油系统,是早期和同学开发的JAVA程序

/*
 * ExpenseFactory.java
 *
 * Created on 2007年4月17日, 下午7:18
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package homework;

  
/**
 *
 * @author Administrator
 */
 import javax.swing.*;
public class ExpenseFactory {
     
   
   
   public static ResearchExpense kbReadResearchExpense(){
       String YesNo="";
    ResearchExpense expenses1=new ResearchExpense();
 
         expenses1.date=JOptionPane.showInputDialog(null,"Enter the date of the expense");
         expenses1.description=JOptionPane.showInputDialog(null,"Enter the description of the expense");
         expenses1.cost=Double.parseDouble(JOptionPane.showInputDialog(null,"Enter the cost of the expense"));
         expenses1.tax=Double.parseDouble(JOptionPane.showInputDialog(null,"Enter the tax of the expense"));
         YesNo=JOptionPane.showInputDialog(null,"paid or not,please enter yes or not");
         if(YesNo.equals("yes"))
         expenses1.isPaid=true;
         return expenses1;
             
    }
    public static CarExpense kbReadCarExpense(){
        String YesNo="";
         CarExpense car1=new CarExpense();
        car1.date=JOptionPane.showInputDialog(null,"Enter the date of the expense");
        car1.description=JOptionPane.showInputDialog(null,"Enter the description of the expense");
        car1.destination=JOptionPane.showInputDialog(null,"Enter the destination of the expense");
        car1.km=Double.parseDouble(JOptionPane.showInputDialog(null,"Enter the distance"));
        car1.costPerKm=Double.parseDouble(JOptionPane.showInputDialog(null,"Enter the petrol price per km"));
        YesNo=JOptionPane.showInputDialog(null,"paid or not,please enter yes or not");
       if(YesNo.equals("yes")){
         car1.isPaid=true;
       }
         return car1;
        
    }
    public static Expense createExpense(){
        int i=0;
        i=Integer.parseInt(JOptionPane.showInputDialog(null,"Input 1 to create a Research or input 2 to create a CarExpense"));
        switch(i){
         case 1:
        
            return kbReadResearchExpense();
            
         case 2:
         
        
            return kbReadCarExpense();
            
            
    }
    return createExpense();
    
   }
         
  }