订Pizza（Java）

帮朋友改的一个订pizza的作业

大概要求就是输入判断，选择pizza的个数和种类，然后返回一个价格

代码放在下面，如果有刚学Java的同学可以参考一下，没有什么难度

public class Pizza {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
             String Ifm="M";
            String ifm="m";
            String Ifv="V";
            String ifv="v";
            String Ifh="H";
            String ifh="h";
            System.out.println("Welcome to the Java and a Slice Pizza Parlor.");
            System.out.print("Please enter a name for our transaction records:");

            Scanner a=new Scanner(System.in);
            String name=a.nextLine();
            System.out.println("Thank you,"+name);

            System.out.println("Which type of pizza would you like?");
            System.out.println("---------------------------------");
            System.out.println("[M] Mega-Meaty");
            System.out.println("[V] Very Vegetarian");
            System.out.println("[H] Heaping Hawaiian");
            System.out.println("---------------------------------");
            System.out.print("Enter pizza choice:");
            Scanner b=new Scanner(System.in);
            String type=b.nextLine();

            if(type.equals(ifh)||type.equals(Ifh)||type.equals(ifv)||type.equals(Ifv)||type.equals(ifm)||type.equals(Ifm)) {
                if(type.equals(ifh)||type.equals(Ifh))
                {String newtype="Heaping Hawaiian";
                System.out.println("Price list for pizza type:"+newtype);}
                else if(type.equals(ifm)||type.equals(Ifm))
                {String newtype="Mega-Meaty";
                System.out.println("Price list for pizza type:"+newtype);}
                else if(type.equals(ifv)||type.equals(Ifv))
                {String newtype="Very Vegetarian";
                System.out.println("Price list for pizza type:"+newtype);}
                }
                else {
                System.out.println("I'm sorry, BadUser, but that is an invalid choice");
                System.out.println("Goodbye.");
                return;
                }

            System.out.println("---------------------------------");
            double prize12=0;
            double prize16=0;
            if(type.equals(ifh)||type.equals(Ifh))
            {
                prize12=10.50;
                prize16=14.50;}
            else if(type.equals(ifv)||type.equals(Ifv))
            {
                prize12=9.50;
                prize16=13.50;
            }
            else
            {
                prize12=11.5;
                prize16=15.5;
            }
            System.out.println("12-inch: $"+prize12);
            System.out.println("16-inch: $"+prize16);
            System.out.println("---------------------------------");
            System.out.println("What size pizza would you like?");
            System.out.print("Enter size in inches:");
            Scanner c=new Scanner(System.in);
            int size=c.nextInt();

            if((size!=12&&size!=16))
            {
                System.out.println("I'm sorry, BadUser, but that is an invalid choice");
                System.out.println("Goodbye.");
                return;
            }

            //ѡ��pizza����
            System.out.println("How many pizzas would you like?");
            System.out.print("Enter number between 1 and 12:");
            Scanner d=new Scanner(System.in);
            int number=d.nextInt();
            if((number<1)&&number>12)
            {
                System.out.println("I'm sorry, BadUser, but that is an invalid choice");
                System.out.println("Goodbye.");
                return;
            }

            System.out.println("Would you like to add Cheezy Bread to that, for a $3.00 charge?");
            System.out.print("Please enter Y for yes or N for no:");
            Scanner e=new Scanner(System.in);
            String sure=e.nextLine();//����һ���ַ�
            String Ify="Y";
            String ify="y";
            String Ifn="N";
            String ifn="n";
            if((type.equals(ify)||type.equals(Ify)||type.equals(ifn)||type.equals(Ifn)))
            {
                if(type.equals(ify)||type.equals(Ify))
                {;}
                else
                {
                    System.out.println("I'm sorry, BadUser, but that is an invalid choice");
                    System.out.println("Goodbye.");
                    return;
                }
            }
            System.out.println("---------------------------------");
            System.out.println(" Thank you,"+name+".  Here is a record of your purchase.");
            System.out.println("---------------------------------");
            System.out.println(number+" "+size+"-inch Heaping Hawaiian pizzas.");
            if((type.equals(ify)||type.equals(Ify)))
            {
                System.out.println("1 order Cheezy Bread.");
            }
            System.out.println("---------------------------------");
            double totalprize=0;
            if(size==12)
            {totalprize=prize12*number;}
            else {totalprize=prize16*number;}
            if(type.equals(ify)||type.equals(Ify))
            {totalprize+=3.00;}
            System.out.println("Total cost:"+totalprize);
            a.close();
            b.close();
            c.close();
            d.close();
            e.close();

    }

}