我们知道,使用 ViewContainerRef.createComponent 来动态创建组件,它会把 ViewContainerRef.parentInjector 用作 elementInjector。 由此推测,使用 ViewContainerRef.createEmbeddedView 来创建 EmbededView,它应该也会把 ViewContainerRef.parentInjector 用作 embeddedViewInjector 吧? 毕竟Angular 总是追求统一,追求一致性的...
}) export class GreenDirective { // 波波 // 指令所在的元素, 此处就是 li 会自动作为初始化的参数传入构造方法 constructor(e: ElementRef) { // 此处需要声明类型, 固定类型为 ElementRef console.log(e); e.nativeElement.style.color = 'green'; e.nativeElement.style.border = '1px solid...
怎么获得input框所选中的文件(为input绑定change事件,然后获取$event,文件就是event.srcElement.files[0]) 怎么上传到服务器?(使用formData对象,调用其append方法添加文件,再使用angular2的http组件post上去)uploadAvatar(file: any): Promise<any>{ let formData:FormData = new FormData(); formData.append('avatar'...
- The `AnimationDriver.getParentElement` method has become required, so any implementors of this interface are now required to provide an implementation for this method. This breakage is unlikely to affect application developers, as `AnimationDriver` is not expected to be implemented in user code. ...
Once a second, it updates the DOM to reflect the current time. 在例子中,我们将创建一个指令来显示当前的时间。每一秒,它更新DOM显示当前时间。 Directives that want to modify the DOM typically use the link option. link takes a function with the following signature,function link(scope, element, ...
function EditCtrl($scope, $location, $routeParams) { // Something clever here... } 你也可以定义自己的服务并且让它们注入: angular.module('MyServiceModule', []). factory('notify', ['$window', function (win) { return function (msg) { win.alert(msg); }; }]); function myController(sc...
equaivalent to empty string and there was no way to disable the link's navigation. In addition, the `href` is changed from a property `HostBinding()` to an attribute binding (`HostBinding('attr.href')`). The effect of this change is that `DebugElement.properties['href']` will now ...
this.div1Ref.nativeElement, data, { labels: ['Date', 'Temperature'], ylabel: 'Div 01' } ); // div02 元素绘制 let div02Graph = new Dygraph( this.div2Ref.nativeElement, data, { labels: ['Date', 'Temperature'], ylabel: 'Div 02' ...
opens 'right'| 'left' undefined right if possible All Whether the picker appears aligned to the left or to the right the input element. closeOnSelect Boolean true `day\ month` openOnClick Boolean true `day\ month|daytime` openOnFocus Boolean true `day\ month|daytime` closeOnSelectDelay Num...
app.controller('myCtrl', function($scope) { $scope.names = ["Emil", "Tobias", "Linus"];}); Try it Yourself » Each element has access to the current repetition object, in this case a string, which is referred to by using x. Root ScopeAll applications...