FontAwesome 无法使用跨度 Angular

Question

我是 Angular 的新手，请多多包涵。我正在尝试在我的项目中使用 FontAwesome。最初我通过 CDN 加载它，但我想正确使用它。所以我将 FontAwesomeModule 导入了我的 WidgetModule。看起来像这样：

import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';

import { WidgetRoutingModule } from './widget-routing.module';
import { SharedModule } from '@pyb-shared/shared.module';
import { WidgetComponent } from './widget.component';
import { ScenariosComponent } from './scenarios/scenarios.component';
import { QuestionsComponent } from './questions/questions.component';
import { AnswersComponent } from './answers/answers.component';
import { ResultsComponent } from './results/results.component';

import { AnswerButtonComponent } from './shared/answer-button/answer-button.component';
import { HeaderComponent } from './shared/header/header.component';
import { LoadingButtonComponent } from './shared/loading-button/loading-button.component';
import { MainProductComponent } from './shared/main-product/main-product.component';
import { MatchesComponent } from './shared/matches/matches.component';
import { ProductComponent } from './shared/product/product.component';
import { QuestionSplitComponent } from './shared/question-split/question-split.component';

import { AnswersService } from './answers/answers.service';
import { QuestionsService } from './questions/questions.service';
import { ResultsService } from './results/results.service';
import { ScenariosService } from './scenarios/scenarios.service';

import { AnswerMatchService } from './shared/answer-match.service';
import { DuplicateService } from './shared/duplicate.service';
import { FilterService } from './shared/filter.service';
import { FormulaService } from './shared/formula.service';
import { MatchesService } from './shared/matches.service';
import { PickService } from './shared/pick.service';
import { QuestionSplitService } from './shared/question-split/question-split.service';
import { StateService } from './shared/state.service';
import { WidgetService } from './widget.service';

import { FontAwesomeModule } from '@fortawesome/angular-fontawesome';
import { library } from '@fortawesome/fontawesome-svg-core';
import { faSquare, faCheckSquare } from '@fortawesome/pro-solid-svg-icons';

@NgModule({
  imports: [
    CommonModule,
    WidgetRoutingModule,
    SharedModule,
    FontAwesomeModule
  ],
  declarations: [
    WidgetComponent,
    ScenariosComponent,
    QuestionsComponent,
    AnswersComponent,
    ResultsComponent,

    AnswerButtonComponent,
    HeaderComponent,
    LoadingButtonComponent,
    MainProductComponent,
    MatchesComponent,
    ProductComponent,
    QuestionSplitComponent
  ],
  providers: [
    AnswersService,
    QuestionsService,
    ResultsService,
    ScenariosService,

    AnswerMatchService,
    DuplicateService,
    FilterService,
    FormulaService,
    MatchesService,
    PickService,
    QuestionSplitService,
    StateService,
    WidgetService
  ]
})
export class WidgetModule {
  constructor() {
    console.log('WidgetModule loaded.');
    library.add(faSquare, faCheckSquare);
  }
}

我想在我的组件上显示两个图标，所以您可以在上面的模块中看到我添加了 faSquare 和 faCheckSquare。在我的组件（称为 ScenariosComponent）中，我只有这个跨度：

<span class="fas fa-square"></span>

来自我上面提供的link，并查看这个：

https://github.com/FortAwesome/angular-fontawesome

看起来应该可以。我导入了 FontAwesomeModule，ScenariosComponent 有 WidgetModule 作为它的父模块，所以它应该只是工作。根据这一行：

Icons added to the library will be available to any other component whose parent module also imports FontAwesomeModule.

而且我确实在我的模块中设置了我的库。哪个应该在该模块中工作，至少在我看来是这样。

我这样做对吗？

Answer 1

如果您想使用 angular-fontawesome，则必须遵循他们的指南。您的实施存在一些问题。

第一期在这里：

import { faSquare, faCheckSquare } from '@fortawesome/pro-solid-svg-icons';

您正在从 FortAwesome 的专业版 @fortawesome/pro-solid-svg-icons 导入。

您应该从 @fortawesome/free-solid-svg-icons 导入：

import { FontAwesomeModule } from '@fortawesome/angular-fontawesome';
import { library } from '@fortawesome/fontawesome-svg-core';
import { faSquare, faCheckSquare } from '@fortawesome/free-solid-svg-icons';

然后在你的 AppModule 中：

export class AppModule {
  constructor() {
    library.add(faSquare, faCheckSquare);
  }
}

第二个问题是，根据 angular-fontawesome 的指南，您似乎必须将其用作组件：fa-icon有一个 @Input 属性 [icon]，您必须向其中提供您想要的 class(es) 的名称适用于他们。

像这样：

<div style="text-align:center">
  <fa-icon [icon]="['fas', 'square']"></fa-icon>
  <br>
  <fa-icon [icon]="['fas', 'check-square']"></fa-icon>
</div>

这里有一个 Sample StackBlitz 供您参考。

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