好吧,在我展示我的代碼之前,我的方法讓我解釋手頭的問題是什麼,也許有人有更好的解決方案。問題是我有一個數組按特定標準分組的列表。我需要爲每個條件呈現一個列表/部分,並且每個部分都包含一個也應該呈現爲HTML的對象列表。KnockoutJS嵌套的模板綁定
我是KnockoutJS的新手 - 我昨天開始使用它。但鑑於眼前的問題,我搜索了文檔中的可觀察字典或類似的東西。幸運的是,我找到了ko.observableDictionary plugin。所以,我想這應該做的伎倆,並寫了下面的代碼(只是一些概念驗證):
<div id="tiles-holder" data-bind="template: { name: 'tile-list', foreach: dictionary }">
</div>
<script type="text/html" id="tile-list">
<div class="md-auto-max-width">
<div class="md-list-tiles md-auto-arrange-tiles" data-bind="template: { name: 'tile-default', foreach: items }"></div>
</div>
</script>
<script type="text/html" id="tile-default">
<div class="metro-tile-square md-list-item md-list-tile-large">
<div class="md-list-item-image" data-bind="css: { defaultimage: $data.title() != 'architect' }"></div>
<div>
<span data-bind="text: name"></span> - <span data-bind="text: $data.department"></span>
</div>
</div>
</script>
<script type="text/javascript" src="@Url.Content("~/Scripts/metro/ko.observableDictionary.js")"></script>
<script type="text/javascript">
$(function() {
var viewModel = function TileViewModel() {
var self = this;
self.dictionary = new ko.observableDictionary();
for (var i = 0; i < 15; i++) {
self.dictionary.push("Developers", new employee('developer' + i, 'developer', 'projectDevelopment'));
self.dictionary.push("Analysts", new employee('analyst' + i, 'analyst', 'business intelligence'));
}
self.dictionary.push("Architects",new employee('Some Architect', 'architect', 'Architecture and development'));
function employee(name, title, department) {
this.name = ko.observable(name);
this.title = ko.observable(title);
this.department = ko.observable(department);
}
};
ko.applyBindings(new viewModel(), $('#tiles-holder').get(0));
});
</script>
但我不斷收到以下錯誤:
Error: Unable to parse bindings. Message: TypeError: $data.title is not a function; Bindings value: css: { defaultimage: $data.title() != 'architect' }
我相信問題是$data
不涉及模板的數據上下文。但我該如何解決這個問題?