引导手风琴在angular 9中不起作用

import { AccordionComponent } from 'ngx-bootstrap/accordion';

@NgModule({
  declarations: [
    // ...
    AccordionComponent
  ],
  // ...
})
export class YourModule { }

<accordion [closeOthers]="true">
  <accordion-group heading="Group 1">
    Content of group 1
  </accordion-group>
  <accordion-group heading="Group 2">
    Content of group 2
  </accordion-group>
</accordion>

npm install ngx-bootstrap --save

import { AccordionModule } from 'ngx-bootstrap/accordion';

@NgModule({
  imports: [
    // ...
    AccordionModule.forRoot()
  ],
  // ...
})
export class YourModule { }