/**
* 备份模板
*/
function Memento(p)
{
//名字
this.name = p.name;
//年龄
this.age = p.age;
//性别
this.sex = p.sex;
//财富
this.money = p.money
}
/**
* 人物
*/
function Person()
{
//名字
this.name = '';
//年龄
this.age = 0;
//性别
this.sex = '男';
//财富
this.money = 0
/**
* 还原
*/
this.recovery = function(p)
{
this.name = p.name;
this.age = p.age;
this.sex = p.sex;
this.money = p.money
}
/**
* 备份
*/
this.memento = function()
{
return new Memento(this);
}
}
/**
* 历史备份
*/
var data = [];
//定义人物
var person = new Person();
person.name = '张三';
person.money = 5000;
//备份
data.push(person.memento())
//修改人物状态
person.money = 100;
//还原财富初始值
person.recovery(data[0]);
//测试
console.log(person.money) //输出：5000
