Knockout.js 安全绑定

2024-05-17

我想使用带有淘汰赛的安全绑定。为此我使用敲除安全绑定.js https://github.com/brianmhunt/knockout-secure-binding.

谁能解释一下为什么下面的代码不起作用? 它会抛出一个错误`

未捕获#淘汰-安全-绑定.js:74`

行后ko.applyBindings(new viewModel());

<html>
<head>
    <title></title>
    <script src="scripts/knockout-3.0.0-min.js"></script>
    <script src="knockout-secure-binding-master/dist/knockout-secure-binding.js"></script>

</head>
<body>
    <button type="button" data-sbind="sbtnClick">button</button>

    <script>
        var bindings = {
            sbtnClick: function () {
                return {click: this.btnClick};
            }
        };

        var viewModel = function () {
            this.btnClick = function () {
                alert('clicked');
            };
        };

        ko.bindingProvider.instance = new ko.secureBindingsProvider(bindings);
        ko.applyBindings(new viewModel());
    </script>

</body>
</html>

您仍然需要写出绑定处理程序的名称click:

<button type="button" data-sbind="click: btnClick">button</button>

你不需要这整个bindings对象与sbtnClick, 写吧:

var viewModel = function () {
    this.btnClick = function () {
        alert('clicked');
    };
};

ko.bindingProvider.instance = new ko.secureBindingsProvider();
ko.applyBindings(new viewModel());

Demo JSFiddle http://jsfiddle.net/XpM9K/.

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