我只是想运行一个简单的index.html 页面Angular2，但它在控制台中向我显示了 zone.js 中的错误：
Unhandled Promise rejection: No ErrorHandler. Is platform module (BrowserModule) included? ; Zone: <root> ; Task: Promise.then ; Value: Error: No ErrorHandler. Is platform module (BrowserModule) included?
at eval (application_ref.ts:364)
at ZoneDelegate.invoke (zone.js:391)
at Object.onInvoke (ng_zone.ts:296)
at ZoneDelegate.invoke (zone.js:390)
at Zone.run (zone.js:141)
at NgZone.run (ng_zone.ts:153)
at PlatformRef_._bootstrapModuleFactoryWithZone (application_ref.ts:359)
at eval (application_ref.ts:330)
at ZoneDelegate.invoke (zone.js:391)
at Zone.run (zone.js:141) Error: No ErrorHandler. Is platform module (BrowserModule) included?
at eval (http://localhost:3000/node_modules/@angular/core/bundles/core.umd.js:4531:23)
at ZoneDelegate.invoke (http://localhost:3000/node_modules/zone.js/dist/zone.js:391:26)
at Object.onInvoke (http://localhost:3000/node_modules/@angular/core/bundles/core.umd.js:3922:33)
at ZoneDelegate.invoke (http://localhost:3000/node_modules/zone.js/dist/zone.js:390:32)
at Zone.run (http://localhost:3000/node_modules/zone.js/dist/zone.js:141:43)
at NgZone.run (http://localhost:3000/node_modules/@angular/core/bundles/core.umd.js:3853:69)
at PlatformRef_._bootstrapModuleFactoryWithZone (http://localhost:3000/node_modules/@angular/core/bundles/core.umd.js:4526:23)
at eval (http://localhost:3000/node_modules/@angular/core/bundles/core.umd.js:4568:59)
at ZoneDelegate.invoke (http://localhost:3000/node_modules/zone.js/dist/zone.js:391:26)
at Zone.run (http://localhost:3000/node_modules/zone.js/dist/zone.js:141:43)
有人可以帮助我基本上了解它是什么以及如何解决这个问题。模块文件：
import {Component, NgModule} from "@angular/core";
import {App} from "./app";
@NgModule({
declarations: [App],
bootstrap: [App]
})
export class AppModule {
}
你错过了
import { BrowserModule } from '@angular/platform-browser';
添加到您的应用程序模块
@NgModule({
imports: [
BrowserModule,
]
...})
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