我试图在使用ratyjQuery插件的KnockoutJS中创建一个自定义绑定来为电影做星级评分。对于RATY插件的正常实施是这样的......在KnockoutJS中为jQuery插件创建自定义绑定
$('.raty').raty();
<div class="raty" data-rating="3"></div>
,并且会给你这样的事情...
<div class="raty" data-rating="3" style="cursor: pointer; width: 100px;">
<img src="/raty/img/star-on.png" alt="1" title="bad">
<img src="/raty/img/star-on.png" alt="2" title="poor">
<img src="/raty/img/star-on.png" alt="3" title="regular">
<img src="/raty/img/star-off.png" alt="4" title="good">
<img src="/raty/img/star-off.png" alt="5" title="gorgeous">
<input type="hidden" name="score" value="3">
</div>
我有电影的observableArray
,每个电影该集合有UserMovies.Rating
。当用户更新星级,然后更新电影observableArray
中的UserMovies.Rating
值时,我努力想出一种方法来让bindingHandler处理。
这是我在实施和bindingHandler尝试...
<div class="raty" data-bind="raty: UserMovies[0].Rating, ratyOptions: { cancel: true, half: true, size: 24 }"></div>
ko.bindingHandlers.raty = {
init: function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
var options = allBindingsAccessor().ratyOptions || {};
var value = ko.utils.unwrapObservable(valueAccessor());
// the line below throws Syntax error: Invalid label
ko.bindingHandlers.attr.update(element, { 'data-rating': value });
$(element).raty(options);
// how to fire upate function when user changes star ratings?
},
update: function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
valueAccessor($(element).raty('score'));
}
};
此处提供的解决方案是否正常工作?我把这个确切的代码,但不起作用。如何绑定点击,所以它称为淘汰赛功能? – jmogera