<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<script>
function Car(options){
this.doors = options.doors || 4
;
this.state = options.state || "brand new"
;
this.color = options.color || "silver"
;
};
function Truck(options){
this.state = options.state || "used"
;
this.wheelSize = options.wheelSize || "large"
;
this.color = options.color || "blue"
;
};
function VehicleFactory(){};
VehicleFactory.prototype.vehicleClass =
Car;
VehicleFactory.prototype.createVehicle =
function( options ){
if(options.vehicleType == "car"
){
this.vehicleClass =
Car;
}else{
this.vehicleClass =
Truck;
};
return new this.createVehicle(options);
};
var carFactory =
new VehicleFactory({
vehicleType : 'truck'
,
state : 'like new'
,
color : 'red'
,
wheelSize : 'small'
});
console.log( carFactory instanceof VehicleFactory);
console.log( carFactory );
function TruckFactory(){};
TruckFactory.prototype =
new VehicleFactory();
TruckFactory.prototype.vehicleClass = 'truck'
;
var truckFactory =
new TruckFactory();
console.log( truckFactory instanceof TruckFactory);
//抽象 工厂模式---->_->
var AbstractVehicleFactory = (
function(){
//定义车辆的类型,用来存储数据
var types =
{};
return {
registerVehicle : function(type,vehicle){
types[type] =
vehicle;
},
getVehicle : function(type,customizatoins){
var vehicle =
types[type];
return (vehicle) ?
new topics[type](customizations) :
null;
}
}
})();
</script>
</body>
</html>
转载于:https://www.cnblogs.com/diligenceday/p/3432441.html