使用js模仿java的实体类对类/对象进行get操作

/** * Created by zrz on 2015/9/16，15:01. * @version 1.1.0 */

var aa = {
    name: "张三",
    id: 110,
    address: "北京市和平门1路2街3胡同4门5户",
    phoneNumber: 12345678910,
    price: 220,
    off1: 44,
    off2: 55
};
var bb = {
    name: "李四",
    id: 120,
    address: "北京市和平门5路4街3胡同2门1户",
    phoneNumber: 12345678911,
    price: 1421,
    off1: 454,
    off2: 515
};

var setOrder = function (_order) {
    this.off = parseInt(_order.id);
    this.name = _order.name;
    this.address = _order.address;
    this.price = _order.price;
    this.off1 = _order.off1;
    this.off2 = _order.off2;
    setOrder.getMethod('address');
    setOrder.getMethod('name');
    setOrder.getMethod('price');
    var that=this;
    setOrder.method('getOff', function () {
        return that.off1 + that.off2;
    });
    setOrder.method('getMoney',function(){
        return that.price-that.getOff();
    });
};

/** * 实体类原型绑定函数 * @param name 函数名称 * @param func 函数具体内容 * @returns {Function} */
Function.prototype.method = function (name, func) {
    if (!this.prototype[name]) {
        this.prototype[name] = func;
    }
    return this;
};

/** * 实体类原型绑定get函数 * @param _name 需要读取的值 * @param func 若无，则默认是getName函数，_name的首字母会自动大写;若有定义，则执行定义的函数 * @returns {Function} */
Function.prototype.getMethod = function (_name, func) {
    var _getName = "get" + _name.substr(0, 1).toUpperCase() + _name.substr(1, _name.length - 1);//首字母大写
    if (!this.prototype[_getName]) {
        this.prototype[_getName] = func || function () {
            return this[_name];
        };
    }
    return this;
};

console.info(new setOrder(aa).getPrice(), new setOrder(aa).getOff(), new setOrder(aa).getMoney());
console.info(new setOrder(bb).getPrice(), new setOrder(bb).getOff(), new setOrder(bb).getMoney());
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