抽象工厂模式

【风趣的解释】

Abstract Factory Mode

请美眉去麦当劳吃汉堡，不同的美眉有不同的口味，要每个都记住是一件烦人的事情，我一般采用Factory Method Mode，带着美眉到服务员那儿，说“要一个汉堡”，具体要什么样的汉堡呢，让美眉直接跟服务员说就行了。

【正式的解释】

抽象工厂模式

核心工厂类不再负责所有产品的创建，而是将具体创建的工作交给子类去做，成为一个抽象工厂角色，仅负责给出具体工厂类必须实现的接口，而不接触哪一个产品类应当被实例化这种细节。

【Python版】

#-*- coding: utf-8 -*-

#汉堡抽象工厂
class HamburgerFactory(object):
    def createHamburger(self):
        pass

#汉堡里加辣椒的工厂
class HamburgerWithPepperFacotry(HamburgerFactory):
    def createHamburger(self):
        print "A hamburder with pepper is ready."

#汉堡里加火腿的工厂
class HamburgerWithHamFacotry(HamburgerFactory):
    def createHamburger(self):
        print "A hamburder with ham is ready."

#美眉A 喜欢吃辣椒
class MeiMeiA(object):
    def getHamburder(self):
        print "I want to a hanburger with pepper."
        hamburgerFactory = HamburgerWithPepperFacotry()
        hamburgerFactory.createHamburger()

#美眉B 喜欢吃火腿
class MeiMeiB(object):
    def getHamburder(self):
        print "I want to a hanburger with ham."
        hamburgerFactory = HamburgerWithHamFacotry()
        hamburgerFactory.createHamburger()

if __name__ == "__main__":
    mA = MeiMeiA()
    mA.getHamburder()

"""print out

I want to a hanburger with pepper.
A hamburder with pepper is ready.
"""

【JS版】

//汉堡抽象工厂
function HamburgerFactory(){

}

//汉堡里加辣椒的工厂
function HamburgerWithPepperFacotry(){

}
HamburgerWithPepperFacotry.prototype = new HamburgerFactory();
HamburgerWithPepperFacotry.prototype.constructor = HamburgerWithPepperFacotry;

HamburgerWithPepperFacotry.prototype.createHamburger = function(){
    console.log("A hamburder with pepper is ready.");
}


//汉堡里加火腿的工厂
function HamburgerWithHamFacotry(){

}
HamburgerWithHamFacotry.prototype = new HamburgerFactory();
HamburgerWithHamFacotry.prototype.constructor = HamburgerWithHamFacotry;

HamburgerWithPepperFacotry.prototype.createHamburger = function(){
    console.log("A hamburder with ham is ready.");
}

//美眉A 喜欢吃辣椒
function MeiMeiA(){

}
MeiMeiA.prototype.getHamburger = function(){
    console.log("I want to a hanburger with pepper.");
    hamburgerFactory = new HamburgerWithPepperFacotry();
    hamburgerFactory.createHamburger();
}

//美眉B 喜欢吃火腿
function MeiMeiB(){

}
MeiMeiB.prototype.getHamburger = function(){
    console.log("I want to a hanburger with ham.");
    hamburgerFactory = new HamburgerWithHamFacotry();
    hamburgerFactory.createHamburger();
}

var mA = new MeiMeiA();
mA.getHamburger();

/*console out

I want to a hanburger with pepper.
A hamburder with ham is ready.
*/