javascript 简单工厂模式

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var
Bicycle = new
Interface("Bicycle",["assemble","wash","ride","repair"]);

var
Lowride = function() {};

Lowride.prototype = {

    assemble: function() {

        document.write("Lowride assemble success!<br />")

    },

    wash: function() {

        document.write("Lowride wash success!<br />");

    },

    ride: function() {

        document.write("Lowride ride success!<br />");

    },

    repair: function() {

        document.write("Lowride repair success!<br />");

    }

};

var
Speedstr = function() {};

Speedstr.prototype = {

    assemble: function() {

        document.write("Speedstr assemble success!<br />")

    },

    wash: function() {

        document.write("Speedstr wash success!<br />");

    },

    ride: function() {

        document.write("Speedstr ride success!<br />");

    },

    repair: function() {

        document.write("Speedstr repair success!<br />");

    }

}

var
Comfortcruisor = function() {};

Comfortcruisor.prototype = {

    assemble: function() {

        document.write("Comfortcruisor assemble success!<br />")

    },

    wash: function() {

        document.write("Comfortcruisor wash success!<br />");

    },

    ride: function() {

        document.write("Comfortcruisor ride success!<br />");

    },

    repair: function() {

        document.write("Comfortcruisor repair success!<br />");

    }

}

var
BicycleFactory = function() {};

BicycleFactory.prototype = {

    createBicycle: function(model) {

        var
bicycle;

        switch(model){

            case
"Lowride":

                bicycle = new
Lowride();

                break;

            case
"Speedstr":

                bicycle = new
Speedstr();

                break;

            case
"Comfortcruisor":

                bicycle = new
Comfortcruisor();

                break;

        }

        Interface.ensureImplents(bicycle,Bicycle);

        return
bicycle;

    }

}

var
BicycleShop = new
BicycleFactory();

var
concertBicycle = BicycleShop.createBicycle("Speedstr");

concertBicycle.assemble();

concertBicycle.wash();

concertBicycle.ride();

concertBicycle.repair();