我也想问同样的问题,但是你是第一个!我找到了一个解决方案,可能不是最好的,但至少它是有效的.
我为所有路由创建了一个html:
dyn_view.html:
<div><dynamic-view></dynamic-view></div>
当然还有一个组件动态视图,它从路由提供者获取实际的组件标记名,并使用这里描述的技术动态添加到DOM中:How to add a component programatically in Angular.Dart?
dynamic_view.html
<div></div>
dynamic_view.dart
@NgComponent(
selector: 'dynamic-view',
templateUrl: 'view/dynamic_view.html'
)
class DynamicView implements NgShadowRootAware {
Compiler compiler;
Injector injector;
String elementName;
DynamicView(this.compiler, this.injector, RouteProvider provider) {
elementName = provider.parameters["elementName"];
}
void onShadowRoot(ShadowRoot shadowRoot) {
DivElement inner = shadowRoot.querySelector("div");
inner.appendHtml("<$elementName></$elementName>");
BlockFactory template = compiler(inner.nodes);
var block = template(injector);
inner.replaceWith(block.elements[0]);
}
}
现在是路由.元素名称必须以某种方式传递给RouteProvider.我受到这个帖子的启发:Verifying route preconditions prior to loading controller
class DynamicViewFactory {
ViewFactory viewFactory;
DynamicViewFactory(this.viewFactory);
call(String elementName) {
return (RouteEvent event) {
event.parameters["elementName"] = elementName;
viewFactory("view/dyn_view.html")(event);
};
}
}
class MyRouteInitializer implements RouteInitializer {
init(Router router, ViewFactory view) {
DynamicViewFactory dynView = new DynamicViewFactory(view);
router.root
..addRoute(
name: 'route1',
path: '/a/:b',
enter: dynView('componentA'))
..addRoute(
name: 'route2',
path: '/b/:c',
enter: dynView('componentB'));
}
}
上面的代码与我实际使用的代码略有不同,因此可能会有一些小错误,但总体思路是一样的.
希望有帮助!