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Angular2 Hello World 之 RC6

时间:2016-09-11 20:03:59      阅读:387      评论:0      收藏:0      [点我收藏+]

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  angular2还没有发布正式版,确实有点不靠谱,变化太频繁,之前写的demo直接将js升级到最新版之后发现就不能用了……所以现在在写一篇demo——基于RC6。参考:http://web3.codeproject.com/Articles/1124864/ASP-NET-Core-and-Angular-Code-Venture-Part

  首先还是先创建一个ASP.NET Core Web Application空应用程序。还是在Startup.cs类中添加静态文件处理,下面说一下几处和上一篇中有区别的地方。

  一、NPM 配置文件——package.json,代码如下:

技术分享
 1 {
 2   "version": "1.0.0",
 3   "name": "asp.net",
 4   "private": true,
 5   "dependencies": {
 6     "@angular/common": "2.0.0-rc.6",
 7     "@angular/compiler": "2.0.0-rc.6",
 8     "@angular/core": "2.0.0-rc.6",
 9     "@angular/platform-browser": "2.0.0-rc.6",
10     "@angular/platform-browser-dynamic": "2.0.0-rc.6",
11     "@angular/upgrade": "2.0.0-rc.6",
12 
13     "core-js": "^2.4.1",
14     "reflect-metadata": "^0.1.3",
15     "rxjs": "5.0.0-beta.6",
16     "systemjs": "^0.19.37",
17     "typings": "^1.3.2",
18     "zone.js": "^0.6.12",
19     "moment": "^2.14.1"
20   },
21 
22   "devDependencies": {
23     "gulp": "^3.9.1",
24     "typescript": "^1.8.10"
25   },
26   "scripts": {
27     "postinstall": "typings install dt~core-js --global"
28   }
29 }
View Code

  二、Gulp 配置文件——gulpfile.js,这次移动的js文件要多一些,代码如下:

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 1 var gulp = require(‘gulp‘);
 2 
 3 /// Define paths
 4 var srcPaths = {
 5     js: [
 6         ‘node_modules/core-js/client/shim.min.js‘,
 7         ‘node_modules/zone.js/dist/zone.js‘,
 8         ‘node_modules/reflect-metadata/Reflect.js‘,
 9         ‘node_modules/systemjs/dist/system.src.js‘,
10         ‘node_modules/typescript/lib/typescript.js‘,
11         ‘node_modules/moment/moment.js‘
12     ],
13     js_angular: [
14         ‘node_modules/@angular/**‘
15     ],
16     js_rxjs: [
17         ‘node_modules/rxjs/**‘
18     ]
19 };
20 
21 var destPaths = {
22     js: ‘wwwroot/js/‘,
23     js_angular: ‘wwwroot/js/@angular/‘,
24     js_rxjs: ‘wwwroot/js/rxjs/‘
25 };
26 
27 // Copy all JS files from external libraries to wwwroot/js
28 gulp.task(‘js‘, function () {
29     gulp.src(srcPaths.js_angular)
30         .pipe(gulp.dest(destPaths.js_angular));
31     gulp.src(srcPaths.js_rxjs)
32         .pipe(gulp.dest(destPaths.js_rxjs));
33     return gulp.src(srcPaths.js)
34         .pipe(gulp.dest(destPaths.js));
35 });
View Code

  三、TypeScript JSON配置文件——tsconfig.json,还是放在项目根目录下的typescript(用于存放ts文件)文件夹下,代码如下:

技术分享
 1 {
 2   "compilerOptions": {
 3     "emitDecoratorMetadata": true,
 4     "experimentalDecorators": true,
 5     "module": "system",
 6     "moduleResolution": "node",
 7     "noImplicitAny": false,
 8     "noEmitOnError": false,
 9     "removeComments": false,
10     "target": "es5",
11     "outDir": "../wwwroot/app"
12   },
13   "exclude": [
14     "node_modules",
15     "wwwroot"
16   ]
17 
18 }
View Code

  四、现在我们依次看一下用到的几个ts文件:

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1 import {Component} from "@angular/core";
2 
3 @Component({
4     selector: ‘angularjs2demo‘,
5     template: `<h1>AngularJS 2 Demo</h1><div>Hello ASP.NET Core! Greetings from AngularJS 2.</div>`
6 })
7 
8 export class AppComponent { }  
app.component.ts
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 1 import {NgModule} from "@angular/core";
 2 import {BrowserModule} from "@angular/platform-browser";
 3 import "rxjs/Rx";
 4 
 5 import {AppComponent} from "./app.component";
 6 
 7 @NgModule({
 8     // directives, components, and pipes
 9     declarations: [
10         AppComponent
11     ],
12     // modules
13     imports: [
14         BrowserModule
15     ],
16     // providers
17     providers: [
18     ],
19     bootstrap: [
20         AppComponent
21     ]
22 })
23 export class AppModule { }  
app.module.ts
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1 import {platformBrowserDynamic} from "@angular/platform-browser-dynamic";
2 import {AppModule} from "./app.module";
3 
4 platformBrowserDynamic().bootstrapModule(AppModule);
boot.ts

  五、systemjs.config.js,该文件在wwwroot目录中,代码如下:

技术分享
 1 (function (global) {
 2     System.config({
 3         paths: {
 4             // paths serve as alias
 5             ‘npm:‘: ‘js/‘
 6         },
 7         // map tells the System loader where to look for things
 8         map: {
 9             // our app is within the app folder
10             app: ‘app‘,
11 
12             // angular bundles
13             ‘@angular/core‘: ‘npm:@angular/core/bundles/core.umd.js‘,
14             ‘@angular/common‘: ‘npm:@angular/common/bundles/common.umd.js‘,
15             ‘@angular/compiler‘: ‘npm:@angular/compiler/bundles/compiler.umd.js‘,
16             ‘@angular/platform-browser‘: ‘npm:@angular/platform-browser/bundles/platform-browser.umd.js‘,
17             ‘@angular/platform-browser-dynamic‘: ‘npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.js‘,
18 
19             // angular testing umd bundles
20             ‘@angular/core/testing‘: ‘npm:@angular/core/bundles/core-testing.umd.js‘,
21             ‘@angular/common/testing‘: ‘npm:@angular/common/bundles/common-testing.umd.js‘,
22             ‘@angular/compiler/testing‘: ‘npm:@angular/compiler/bundles/compiler-testing.umd.js‘,
23             ‘@angular/platform-browser/testing‘: ‘npm:@angular/platform-browser/bundles/platform-browser-testing.umd.js‘,
24             ‘@angular/platform-browser-dynamic/testing‘: ‘npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic-testing.umd.js‘,
25 
26             // other libraries
27             ‘rxjs‘: ‘npm:rxjs‘
28         },
29         // packages tells the System loader how to load when no filename and/or no extension
30         packages: {
31             app: {
32                 main: ‘./boot.js‘,
33                 defaultExtension: ‘js‘
34             },
35             rxjs: {
36                 defaultExtension: ‘js‘
37             }
38         }
39     });
40 })(this);
View Code

  六、index.html,该文件在wwwroot目录中,代码如下:

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 1 <html>
 2 <head>
 3     <base href="/">
 4     <title>ASP.NET Core with Angular 2 RC Demo</title>
 5     <meta name="viewport" content="width=device-width, initial-scale=1">
 6     <!-- Step 1. Load libraries -->
 7     <!-- Polyfill(s) for older browsers -->
 8     <script src="js/shim.min.js"></script>
 9     <script src="js/zone.js"></script>
10     <script src="js/Reflect.js"></script>
11     <script src="js/system.src.js"></script>
12     <!-- Angular2 Native Directives -->
13     <script src="js/moment.js"></script>
14     <!-- Step 2. Configure SystemJS -->
15     <script src="systemjs.config.js"></script>
16     <script>
17       System.import(‘app‘).catch(function(err){ console.error(err); });
18     </script>
19 </head>
20 <!-- Step 3. Display the application -->
21 <body>
22     <!-- Application PlaceHolder -->
23     <angularjs2demo>Please wait...</angularjs2demo>
24 </body>
25 </html>
View Code

  至此,所有的升级已经完成,然后执行Gulp任务,编译解决方案,最后生成的目录结构如下图:

技术分享

  现在可以检查一下我们修改的成果,如下图:

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  angular2 RC6的demo已经弄完了,之后的东西慢慢研究!

Angular2 Hello World 之 RC6

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原文地址:http://www.cnblogs.com/du-blog/p/5861064.html

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