Model.prototype.subBtnClick = function(event) {
        var row = event.bindingContext.$object;
        if (row.val("fCount") > 0)
            row.val("fCount", row.val("fCount") - 1);
    };

Model.prototype.addBtnClick = function(event) {
        var row = event.bindingContext.$object;
        row.val("fCount", row.val("fCount") + 1);
    };

Model.prototype.orderBtnClick  = function(event) {
        var orderData = http://www.mamicode.com/this.comp("orderData");
        var userData = http://www.mamicode.com/this.comp("userData");
        var cartData = http://www.mamicode.com/this.comp("cartData");

        var me = this;
        var content = "";
        cartData.each(function(options) {
            content = content + options.row.val("fMenuName") + "(" + options.row.val("fCount") + ")";
        });

        orderData.newData({
            index : 0,
            defaultValues : [ {
                "fID" : justep.UUID.createUUID(),
                "fCreateTime" : justep.Date.toString(new Date(), justep.Date.STANDART_FORMAT),
                "fContent" : content,
                "fUserID" : userData.val("fID"),
                "fUserName" : userData.val("fName"),
                "fPhoneNumber" : userData.val("fPhoneNumber"),
                "fAddress" : userData.val("fAddress"),
                "fSum" : this.comp("calcData").val("fSumMoney")
            } ]
        })
        orderData.saveData({
            onSuccess : function() {
                justep.Util.hint("下单成功");
                cartData.clear();
                me.comp("contents").to("orderContent");
            }
        })
    };

    Model.prototype.orderDataSaveCreateParam = function(event) {
        event.param.tables.push(this.comp("userData").toJson(true));

    };

    Model.prototype.orderDataSaveCommit = function(event) {
        this.comp("userData").applyUpdates();
    };