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angular - Ngx-bootstrap 工具提示不显示

问题描述

我在带有 Bootstrap 4.3.1 的 Angular 7 项目中使用 ngx-bootstrap 4.0.1，我需要在应用程序的某些元素中添加工具提示。我按照有关设置所有内容的文档进行操作，但无法显示工具提示。在 Stack Overflow 或其他论坛中也没有找到任何可以帮助解决我的问题的内容。

app.module.ts：

import { ModalModule, TooltipModule } from 'ngx-bootstrap';

@NgModule({imports: [TooltipModule.forRoot(),...]})

组件.html：

<button type="button" class="btn btn-primary" tooltip="Bazinga!">
      Bazinga
</button>

我在这里想念什么？

更新：添加了 package.json 信息

"dependencies": {
  "@angular/animations": "^7.2.0",
  "@angular/cdk": "^7.3.7",
  "@angular/common": "~7.2.0",
  "@angular/compiler": "~7.2.0",
  "@angular/core": "~7.2.0",
  "@angular/forms": "~7.2.0",
  "@angular/platform-browser": "~7.2.0",
  "@angular/platform-browser-dynamic": "~7.2.0",
  "@angular/router": "~7.2.0",
  "@ckeditor/ckeditor5-angular": "^1.0.1",
  "@ckeditor/ckeditor5-build-classic": "^12.0.0",
  "@ng-select/ng-select": "^2.17.0",
  "angular-highcharts": "^7.2.0",
  "angular2-uuid": "^1.1.1",
  "bootstrap": "^4.3.1",
  "core-js": "^2.5.4",
  "highcharts": "^7.1.1",
  "jquery": "^3.3.1",
  "ngx-bootstrap": "^4.0.1",
  "ngx-infinite-scroll": "^7.1.0",
  "ngx-ui-switch": "^8.0.1",
  "rxjs": "~6.3.3",
  "select2": "^4.0.6-rc.1",
  "select2-bootstrap4-theme": "^1.0.0",
  "tslib": "^1.9.0",
  "zone.js": "~0.8.26"
},
"devDependencies": {
  "@angular-devkit/build-angular": "~0.13.0",
  "@angular/cli": "~7.3.3",
  "@angular/compiler-cli": "~7.2.0",
  "@angular/language-service": "~7.2.0",
  "@fortawesome/fontawesome-free": "^5.7.2",
  "@types/bootstrap": "^4.3.0",
  "@types/jasmine": "~2.8.8",
  "@types/jasminewd2": "~2.0.3",
  "@types/node": "~8.9.4",
  "@types/select2": "^4.0.48",
  "codelyzer": "~4.5.0",
  "jasmine-core": "~2.99.1",
  "jasmine-spec-reporter": "~4.2.1",
  "karma": "~4.0.0",
  "karma-chrome-launcher": "~2.2.0",
  "karma-coverage-istanbul-reporter": "~2.0.1",
  "karma-jasmine": "~1.1.2",
  "karma-jasmine-html-reporter": "^0.2.2",
  "protractor": "~5.4.0",
  "ts-node": "~7.0.0",
  "tslint": "~5.11.0",
  "typescript": "~3.2.2"
}

标签： angulartwitter-bootstrapbootstrap-4angular7ngx-bootstrap

解决方案

您是否已完成引导 css 的安装说明以使样式生效？

取决于您如何构建应用程序的两种方法。

要么包括一个 CDN，也许是你的 index.html 中的官方 CDN：

<link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet">

或者在您的 angular-cli.json 中将其包含在应用程序的样式构建中到您的 css 包中。

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