我正在遵循Building Windows 8 Apps with JavaScript开头的教程。我的ListView只是不显示数据,而且我不确定要转到哪里。看起来很简单,但是我必须缺少一些东西。当我运行该应用程序(或在Blend中查看它)时,除了ListView数据外,我看到的所有内容。知道我缺少什么吗?
结果如下:
这是HTML:
<body>
<div class="fragment homepage">
<header aria-label="Header content" role="banner">
<button class="win-backbutton" aria-label="Back" disabled type="button"></button>
<h1 class="titlearea win-type-ellipsis">
<span class="pagetitle">Bob's RSS Reader</span>
</h1>
</header>
<section aria-label="Main content" role="main">
<div>List of feeds:</div>
<div data-win-control="WinJS.UI.ListView" data-win-options="{itemDataSource:feeds.dataSource}"></div>
</section>
</div>
</body>
这是home.js文件:
(function () {
"use strict";
window.feeds = [
{ title: "Brandon Satrom",
url: "http://feeds.feedburner.com/userinexperience/tYGT" },
{ title: "Chris Sells",
url: "http://sellsbrothers.com/posts/?format=rss" },
{ title: "Channel 9",
url: "http://channel9.msdn.com/Feeds/RSS" },
];
WinJS.UI.Pages.define("/pages/home/home.html", {
// This function is called whenever a user navigates to this page. It
// populates the page elements with the app's data.
ready: function (element, options) {
}
});
})();
最佳答案
我可以通过使用here指导使其工作。此解决方案创建一个命名空间以使数据公开可用。虽然可以,但是我不明白为什么我的原始代码无法正常工作。我以为window.feeds可以用于HTML ...猜测不行。
HTML:
<div data-win-control="WinJS.UI.ListView" data-win-options="{itemDataSource: DataExample.itemList.dataSource}"></div>
JavaScript:
(function () {
"use strict";
var dataArray = [
{ title: "Brandon Satrom",
url: "http://feeds.feedburner.com/userinexperience/tYGT" },
{ title: "Chris Sells",
url: "http://sellsbrothers.com/posts/?format=rss" },
{ title: "Channel 9",
url: "http://channel9.msdn.com/Feeds/RSS" },
];
var dataList = new WinJS.Binding.List(dataArray);
// Create a namespace to make the data publicly accessible.
var publicMembers =
{
itemList: dataList
};
WinJS.Namespace.define("DataExample", publicMembers);
WinJS.UI.Pages.define("/pages/home/home.html", {
// This function is called whenever a user navigates to this page. It
// populates the page elements with the app's data.
ready: function (element, options) {
}
});
})();
关于javascript - ListView不显示数据,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/14531177/