使用js模仿java的实体类对类/对象进行get操作

﹏ヽ暗。殇╰゛Y 2022-08-08 14:40 159阅读 0赞

/** * 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());