我已经为Angular 2创建了一个服务:
import {Injectable} from "angular2/core";
import {Http} from "angular2/http";
import {TaskModel} from "./tasks.model"
@Injectable()
export class TasksDataService {
tasks:Array<any>;
constructor(http:Http) {
this.tasks = [
new TaskModel("Dishes"),
new TaskModel("Cleaning the garage"),
new TaskModel("Mow the grass")
];
}
getTasks():Array<any> {
return this.tasks;
}
}
当我运行我的程序时,浏览器显示:
system.src.js:1049 GET http://localhost:3000/angular2/http.js 404 (Not Found)
我查阅了一些教程,它们以同样的方式包含了angular2/http。有没有人看到哪里出了问题?
发布于 2016-01-13 00:02:18
您需要检查是否在主http.dev.js
文件中包含了该HTML文件:
<script src="node_modules/angular2/bundles/angular2-polyfills.js"></script>
<script src="node_modules/systemjs/dist/system.src.js"></script>
<script src="node_modules/rxjs/bundles/Rx.js"></script>
<script src="node_modules/angular2/bundles/angular2.dev.js"></script>
<script src="node_modules/angular2/bundles/router.dev.js"></script>
<script src="node_modules/angular2/bundles/http.dev.js"></script>
然后,您需要添加HTTP_PROVIDERS作为引导函数的第二个参数:
import { HTTP_PROVIDERS } from 'angular2/http';
bootstrap(MyMainComponent, [ HTTP_PROVIDERS ]);
希望对你有帮助,蒂埃里
https://stackoverflow.com/questions/34748257
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