[英]Nativescript ListView
我可以在布局內添加ListView嗎?
我有這個觀點:
function pageLoaded(args) {
var page = args.object;
var array = new observableArray.ObservableArray();
array.push({"city":"Madrid","distance":"0.2km","votes":"0"});
array.push({"city":"Madrid","distance":"0.2km","votes":"0"});
array.push({"city":"Madrid","distance":"0.2km","votes":"0"});
array.push({"city":"Madrid","distance":"0.2km","votes":"0"});
array.push({"city":"Madrid","distance":"0.2km","votes":"0"});
array.push({"city":"Madrid","distance":"0.2km","votes":"0"});
page.bindingContext = vmModule.mainViewModel, {"myItems": array};
};
exports.pageLoaded = pageLoaded;
和這個模板:
<GridLayout>
<TabView>
<TabView.items>
<TabViewItem title="Nearest Wifi">
<TabViewItem.view>
<GridLayout>
<ListView items="{{ myItems }}">
<ListView.itemTemplate>
<GridLayout columns="*,*" rows="2">
<Label col="0" row="0" text="{{ city || 'Downloading...' }}" textWrap="true" class="title" />
<Label col="1" row="0" text="{{ distance || 'Downloading...' }}" textWrap="true" class="title" />
<Label col="0" row="1" colspan="2" text="Votes: {{nr_votes | 0 }}"/>
</GridLayout>
</ListView.itemTemplate>
</ListView>
</GridLayout>
</TabViewItem.view>
</TabViewItem>
...
我試圖使其工作3個小時..任何幫助將不勝感激。 謝謝!
該代碼運行良好,我相信這是您的追求:
<Page xmlns="http://schemas.nativescript.org/tns.xsd" loaded="pageLoaded">
<ActionBar title="Cities - WIFI" />
<TabView>
<TabView.items>
<TabViewItem title="Nearest Wifi">
<TabViewItem.view>
<ListView items="{{ cities }}">
<ListView.itemTemplate>
<GridLayout columns="*,*,*" rows="*,*">
<Label col="0" row="0" text="City"/>
<Label col="1" row="0" text="Distance" />
<Label col="2" row="0" text="Votes" />
<Label col="0" row="1" text="{{city}}" />
<Label col="1" row="1" text="{{distance}}" />
<Label col="2" row="1" text="{{votes}}" />
</GridLayout>
</ListView.itemTemplate>
</ListView>
</TabViewItem.view>
</TabViewItem>
</TabView.items>
</TabView>
</Page>
使用Javascript:
var Observable = require("data/observable").Observable;
var ObservableArray = require("data/observable-array").ObservableArray;
function pageLoaded(args) {
var page = args.object;
page.bindingContext = pageData;
}
exports.pageLoaded = pageLoaded;
var pageData = new Observable({
cities: new ObservableArray([
{city:"Madrid", distance:"0.2km",votes:"0"},
{city:"Madrid", distance:"0.2km",votes:"0"},
{city:"Madrid", distance:"0.2km",votes:"0"}
])
})
如果要迭代數據,這就是這種方式。 您可以將array.push行放入for循環或任何您想要的地方。
XML:
<ListView items="{{ cities }}">
<ListView.itemTemplate>
<GridLayout columns="*,*,*" rows="*,*">
<Label col="0" row="0" text="City"/>
<Label col="1" row="0" text="Distance" />
<Label col="2" row="0" text="Votes" />
<Label col="0" row="1" text="{{city}}" />
<Label col="1" row="1" text="{{distance}}" />
<Label col="2" row="1" text="{{votes}}" />
</GridLayout>
</ListView.itemTemplate>
</ListView>
JS:
var array = new ObservableArray();
array.push({"city":"Madrid","distance":"0.2km","votes":"0"});
array.push({"city":"Madrid","distance":"0.2km","votes":"0"});
array.push({"city":"Madrid","distance":"0.2km","votes":"0"});
array.push({"city":"Madrid","distance":"0.2km","votes":"0"});
array.push({"city":"Madrid","distance":"0.2km","votes":"0"});
array.push({"city":"Madrid","distance":"0.2km","votes":"0"});
var pageData = new Observable({cities: array});
page.bindingContext = pageData;
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