小编pen*_*e89的帖子

export class MyMissingTranslationHandler implements MissingTranslationHandler {
    handle (params: MissingTranslationHandlerParams) {
        if (params.translateService.currentLang === params.translateService.defaultLang) {
            return 'not translate';
        }
    }
  }

@NgModule ({
    imports: [
        BrowserModule,
        HttpClientModule,
        BrowserAnimationsModule,
        RouterModule.forRoot (appRoutes),
        SharedModule,
        FuseMainModule,
        TranslateModule.forRoot ({
            loader: {
                provide: TranslateLoader,
                useFactory: HttpLoaderFactory,
                deps: [HttpClient]
            },
            missingTranslationHandler: {provide: MissingTranslationHandler, useClass: MyMissingTranslationHandler}
        }),