前提: 当遇到 一个种情况,一个元素中既可以显示 一个字符串变量,也可以显示一个模板 实现: // html <span class="ant-alert-message" *ngIf="nzMessage"> <ng-container *ngIf="isMessageString; else messageTemplate">{{ nzMessage }} + 123</ng-container> <…

现在市面上有大量的JavaScript数据表格控件,包括开源的第三方的和自产自销的.可以说Wijmo的Flexgrid是目前适应Angular 2的最好的表格控件. Angular 2数据表格基本要求: 更小.更快.更熟悉. 为了使用Angular 2表格,首先你需要了解表格的基本要求.FlexGrid开始于1996年,当时使用C++为Visual Basic编写的控件.多年来,它不断进化并在多个平台得到完善,尤其是JavaScript平台.FlexGrid 因为Flex的理念而命名,控件应当包…

单页Web应用(SinglePage) 顾名思义,只使用一个页面的Web应用程序.单页面应用是指用户通过浏览器加载独立的HTML页面,Ajax加载数据页面无刷新,实现操作各种操作. 模板(template) 在AngularJS中,一个模板就是一个HTML文件.但是HTML的内容扩展了,包含了很多帮助你映射model到view的内容. »  HTML模板将会被浏览器解析到DOM中. »  DOM然后成为AngularJS编译器的输入. »  AngularJS将会遍历DOM模板来生成一些指导,即…

本文转自:http://tylerscode.com/2017/03/angular-4-ngifelse/ As you may know it wasn’t that many months ago that Angular 2 left RC and went Full Release(back in August). We are already upon the next big release of Angular with v4. Angular 4.0.0-rc.1 was re…

http://www.jb51.net/article/89781.htm 在这一章节中,我们来学习如何使用Angular2来展示数据,以及如何使用它的内置指令NgFor和NgIf 首先要确保你有一个可以运行起来的Angular2的样例程序,最好就是我们上一章节中完成的那个QuickStart小项目或者你自己根据官网上面的步骤完成的QuickStart小项目,因为我们的讲解都是在那个基础上来进行的;然后让我们开始下面的快乐旅程吧. 因为我们的这一系列的文章都是使用的Typescript所以在看下…

From Anuglar v4 above, we are able to using 'as' with async pipe. This allow as using 'new variable' instead of subscribe to observable. We also able to use 'else' with '*ngIf', else taks a 'template' which will be displayed when the if expression is…

Here is the defulat tab header template: <ng-template #defaultTabHeader let-tabs="tabsX"> <ul class="tab-panel-buttons" *ngIf="tabs"> <li [ngClass]="{selected: tab.selected}" (click)="selectTab(t…

Angular 1 provided a mechanism to place content from your template inside of another template called transclusion. This concept has been brought into Angular 2 and was renamed to content projection and given super powers. In this lesson learn how to…

Angular allows us to conveniently use the async pipe to automatically register to RxJS observables and render the result into the template once the request succeeds. This has some drawbacks, especially if we want to bind the same data in multiple par…

The structure directive is just a sugar syntax of <template>. Such as: <div *ngIf="name.length > 2"> This is something... </div> Equal to: <template [ngIf]="name.length > 2"> <div> There are somoethi…