js面向对象插件的做法框架new goBuy('.cakeItem',{ add:'.add', reduce:'.reduce' },[1,0.7,0.6]);

/*弹窗购买蛋糕*/
;(function(){

    var $DialogBg=$(".Dialogbg-Select");
    var $Dialog=$(".Dialog-Select");
    var $close=$(".s-closes");

    function goBuy(els,opts,disArr,dis) {
        this.$els = $(els);
        this.$add = this.$els.find(opts.add);
        this.$reduce = this.$els.find(opts.reduce);
        this.num=1;
        this.max=50;
        this.oldPrice =0;
        this.totalPrice =0;
        this.newPrice =0;
        this.disArr = disArr;
        this.dis = dis;
        this._init();
    }

    goBuy.prototype = {
        strArr:[],
        add:function (ele) {

        },
        reduce:function (ele) {

        },
       /*价格计算*/
        counts:function (ele) {

        },
        initialize:function (ele) {
            /*初始化数据*/
            var self = this;

        },

        showDialog:function () {
            $DialogBg.fadeIn();
            $Dialog.fadeIn();
        },
        close:function () {
            $DialogBg.fadeOut();
            $Dialog.fadeOut();
        },
        _init:function () {
            /*事件*/
            var self = this;
            this.$els.click(function () {
                self.initialize($(this));
            });

            $close.click(function () {
                self.close();
            });
            $DialogBg.click(function () {
                self.close();
            });
            this.$add.click(function () {
                self.add($(this));
            });
            this.$reduce.click(function () {
                self.reduce($(this));
            });
        }
    }

    new goBuy('.cakeItem',{
        add:'.add',
        reduce:'.reduce'
    },[1,0.7,0.6]);

})();