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<title>Untitled Document</title>
<!-- 引入的核心js公共文件 -->
<script type=text/javascript charset=utf-8 src=../commons/../commons/CommonUtil.js></script>
<script type=text/javascript charset=utf-8>
//分发到不同的4S店（类似于java的抽象类）
function CarShop(){};
CarShop.prototype = {
constructor : CarShop ,
sellCar:function(type){
// 销售人员...
//var car = CarFactory.createCar(type);
// 保险、相关的售后服务
//return car ;
this.abstractSellCar(type);
} ,
abstractSellCar: function(){
throw new Error('this method is abstract...');
}
};
// Benz 4s 店
function BenzCarShop(){};
BH.extend(BenzCarShop,CarShop);
BenzCarShop.prototype = {
constructor:BenzCarShop ,
sellCar:function(type){
var car ;
var types = ['Benz']; //输入参数校验
for(t in types){
// 如果我的商店里有你想要汽车型号
if(types[t] === type){
car = CarFactory.createCar(type);
} else {
alert('没有你要的型号!');
}
}
return car ;
}
};
// 宝马 4s 店
function BmwCarShop(){};
BH.extend(BmwCarShop,CarShop);
BmwCarShop.prototype = {
constructor:BmwCarShop ,
sellCar:function(type){
var car ;
var types = ['Bmw']; //输入参数校验
for(t in types){
// 如果我的商店里有你想要汽车型号
if(types[t] === type){
car = CarFactory.createCar(type);
} else {
alert('没有你要的型号!');
}
}
return car ;
}
};
//生产车的工厂 目的就是为了生产车
//单体模式 动态工厂模式
var CarFactory = {
createCar:function(type){
// var car = new Benz();，不需要做switch判断了
var car = eval('new '+type+'()');
//检验接口实现
BH.Interface.ensureImplements(car ,CarInterface);
return car ;
}
};
// 接口对象的实例
var CarInterface = new BH.Interface('CarInterface' ,['start','run']);
// SuperClass implements CarInterface
function BaseCar(){};
BaseCar.prototype = {
constructor:BaseCar ,
start:function(){
alert(this.constructor.name + ' ..start');
},
run:function(){
alert(this.constructor.name + ' ..run');
}
};
function Benz(){};
BH.extend(Benz,BaseCar);
Benz.prototype.driveBenz = function(){alert('Benz..drive')};
//Benz.prototype.run = function(){alert('Benz..run')};
function Bmw(){};
BH.extend(Bmw,BaseCar);
Bmw.prototype.driveBmw = function(){alert('Bmw..drive')};
//Bmw.prototype.run = function(){alert('Bmw..run')};
function Audi(){};
BH.extend(Audi,BaseCar);
Audi.prototype.driveAudi = function(){alert('Audi..drive')};
//Audi.prototype.run = function(){alert('Audi..run')};
var shop = new CarShop();
var car = shop.sellCar('Benz');
car.start();
car.run();
car.driveBenz();
var car2 = shop.sellCar('Bmw');
car2.start();
car2.run();
car2.driveBmw();
var shop1 = new BenzCarShop();
var car1 = shop1.sellCar('Benz');
car1.run();
var shop2 = new BmwCarShop();
var car2 = shop2.sellCar('Bmw');
car2.run();
</script>
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