angular hash模式和H5模式（地址路由无#）切换

index.html

<base href="/">

app.module.ts

import {
    
     LocationStrategy, HashLocationStrategy, PathLocationStrategy } from '@angular/common';

providers: [
    // { provide: LocationStrategy, useClass: HashLocationStrategy } // hash模式
    {
    
    provide: LocationStrategy, useClass: PathLocationStrategy} // 无#及h5 history模式
],

hash模式: http://localhost:4200/school
h5模式: http://localhost:4200/#/school