var Model = {
inherited:function () {
},
created:function () {
},
prototype:{
init:function () {
}
},
//给类添加属性
extend:function (obj) {
var extended = obj.extended;
for (var i in obj) {
this[i] = obj[i];
}
if (extended) extended(klass);
},
//给实列添加属性
include:function (obj) {
var included = obj.included;
for (var i in obj) {
this.prototype[i] = obj[i];
}
//触发回调
if (included) included(klass);
},
create:function () {
//子类 返回一个新对象,继承自model对象,创建新模型
var object = Object.create(this);
//指向父类
object.parent = this;
//子类原型方法
object.prototype = object.fn = Object.create(this.prototype);
object.created();
this.inherited(object);
return object;
},
init:function () {
//返回一个新对喜爱那个,继承自model.prototype -> model对象的一个实例
var instance = Object.create(this.prototype);
instance.parent = this;
instance.init.apply(instance, arguments);
return instance;
}
}
//保存资源对象
Model.records = {};
//持久化记录
Model.include({
newRecord:true,
create:function () {
this.newRecord = false;
this.parent.records[this.id] = this;
},
destroy:function () {
delete this.parent.records[this.id];
},
update:function () {
this.parent.records[this.id] = this;
},
save:function () {
this.newRecord ? this.create() : this.update();
},
find:function (id) {
return this.records[id];
}
})
//继承的父类model的一个构造函数
var Asset = Model.create();
//实例对象
var asset1 = Asset.init();
asset1.name = "Aaron-1";
asset1.id = 1;
asset1.save();
var asset2 = Asset.init();
asset2.name = "Aaron-2";
asset2.id = 2;
asset2.save();
console.log(
asset1
)