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  • [Angular 2] Start with Angular2

    Create a index.html:

    <!DOCTYPE html>
    <html>
    <head>
        <title>Really Understanding Angular 2 - The Fundamentals</title>
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon"/>
        <link href="//fonts.googleapis.com/css?family=Roboto:400,300,500,400italic,700" rel="stylesheet"  type="text/css">
        <link href="//fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
        <link rel="stylesheet" href="https://angular-academy.s3-us-west-1.amazonaws.com/styles/angular-academy-lessons-theme-v1.css">
    
        <!-- Polyfill(s) for older browsers -->
        <script src="https://npmcdn.com/core-js/client/shim.min.js"></script>
    
        <script src="https://npmcdn.com/zone.js@0.6.12?main=browser"></script>
        <script src="https://npmcdn.com/reflect-metadata@0.1.3"></script>
        <script src="https://npmcdn.com/systemjs@0.19.27/dist/system.src.js"></script>
        <script src="/system.config.js"></script>
        <script>
            document.SYSTEMJS_CONFIG.map.app = '.';
            document.SYSTEMJS_CONFIG.packages.app = {main: 'hello_world.ts', defaultExtension: 'ts'};
            System.config(document.SYSTEMJS_CONFIG);
            System.import('app').catch(function (err) {
                console.error(err);
            });
        </script>
    </head>
    <body>
        <header class="l-header v-center-parent">
            <img class="v-center" src="//material.angularjs.org/latest/img/icons/angular-logo.svg">
        </header>
        <main class="l-main">
            <div class="l-course-logo"></div>
            <div class="l-course-title">Really Understanding Angular 2 - The Fundamentals</div>
            <div class="l-lesson-title">MVC Hello World Component - Controllers and Templates</div>
            <div class="l-course-content card card-strong lesson-1">
                <!-- Insert your module here -->
            </div>
        </main>
    </body>
    </html>    

    Index.html works as an App Shell, which render meanful pixel onto the screen. And our module will be rendered when the data binding is ready.

    Create first Module:

    This module will bootstrap our application, normally this only happen once. This is the main entry point of the whole application.

    import {Component, NgModule} from "@angular/core";
    import {platformBrowserDynamic} from "@angular/platform-browser-dynamic";
    import {BrowserModule} from "@angular/platform-browser";
    @Component({
        selector: 'app',
        template: `<h1>Hello Angular 2</h1>`
    })
    export class App{
    
    }
    
    /*
    * Declare the NgModule
    * */
    @NgModule({
        declarations: [App],       // tell which component will be include into this module
        imports: [BrowserModule],  // if building web app, we need to use BrowserModule, native mobile app use other module
        bootstrap: [App]           // App component will be the entry point of the whole application
    })
    export class AppModule{
    
    }
    
    // Bootstrap the AppModule
    platformBrowserDynamic().bootstrapModule(AppModule);

    Last insert out App into html:

            <div class="l-course-content card card-strong lesson-1">
                <app></app>
            </div>
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  • 原文地址:https://www.cnblogs.com/Answer1215/p/5868606.html
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