工厂模式-A

package D_Factory.a;

/**
* 只适用一个地区的披萨店，当在别地建立披萨店时，由于地区口味差异，一个工厂无法满足。 解决方案，根据地区建立多个工厂
*
*/
public class SimplePizzaFactory {
public Pizza createPizza(String type) {
Pizza pizza = null;
if (type.equals(“cheese”)) {
pizza = new CheesePizza();
} else if (type.equals(“pepperoni”)) {
pizza = new PepperoniPizza();
}
return pizza;
}
}
package D_Factory.a;

public class PizzaStore {
SimplePizzaFactory factory;

public PizzaStore(SimplePizzaFactory factory) {    this.factory = factory;}public Pizza orderPizza(String type) {    Pizza pizza;    pizza = factory.createPizza(type);    pizza.prepare();    pizza.bake();    pizza.cut();    pizza.box();    return pizza;}

}
package D_Factory.a;

import D_Factory.d.Dough;

public abstract class Pizza {
public String name;
public Dough dough;
public String sauce;
public String cheese;
public String clam;

public void prepare() {    System.out.println("prepare");}public void bake() {    System.out.println("bake");}public void cut() {    System.out.println("cut");}public void box() {    System.out.println("box");}public void setName(String name) {    this.name = name;}public String getName() {    return name;}

}
package D_Factory.a;

public class PepperoniPizza extends Pizza {

}
package D_Factory.a;

public class CheesePizza extends Pizza {

}