1import { NgModule }       from '@angular/core';
2import { BrowserModule  } from '@angular/platform-browser';
3import { AppComponent }   from './app.component';
4import { HashLocationStrategy, LocationStrategy } from '@angular/common';
5@NgModule({
6    declarations: [AppComponent],
7    imports: [BrowserModule],
8    providers: [{provide: LocationStrategy, useClass: HashLocationStrategy}],
9    bootstrap: [AppComponent],
10})
11export class AppModule {}