是否可以将 KnockoutJS 与屏蔽输入一起使用?

问题描述

我正在使用该插件:https://github.com/plentz/jquery-maskmoney 格式化我的货币编辑器...

I´m using that plugin : https://github.com/plentz/jquery-maskmoney to format my money editor...

我试图在那个编辑器中使用 KnockoutJS，但它不起作用......没有那个面具一切正常......

I tried to use KnockoutJS in that editor, but it does not work... Without that mask all works fine...

我的代码测试很简单:

<input id="Price" data-bind="value: Price"  type="text"  name="Price">

Javascript 屏蔽输入

Javascript to Mask input

$("#Price").maskMoney({ symbol: 'R$ ', showSymbol: true, thousands: '.', decimal: ',', symbolStay: false });

和 KnockoutJS

And KnockoutJS

var ViewModel = function () {
            this.Price = ko.observable();

            this.PriceFinal= ko.computed(function () {
                return this.Price()
            }, this);
        };

        ko.applyBindings(new ViewModel());

推荐答案

你应该使用可写的计算 observable.

You should use a writable computed observable.

function MyViewModel() {
    this.price = ko.observable(25.99);

    this.formattedPrice = ko.computed({
        read: function () {
            return '$' + this.price().toFixed(2);
        },
        write: function (value) {
            // Strip out unwanted characters, parse as float, then write the raw data back to the underlying "price" observable
            value = parseFloat(value.replace(/[^.d]/g, ""));
            this.price(isNaN(value) ? 0 : value); // Write to underlying storage
        },
        owner: this
    });
}

ko.applyBindings(new MyViewModel());

这篇关于是否可以将 KnockoutJS 与屏蔽输入一起使用?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！