在 Angular 6 中导入“ngx-bootstrap/datepicker”模块时出现错误
Posted
技术标签:
【中文标题】在 Angular 6 中导入“ngx-bootstrap/datepicker”模块时出现错误【英文标题】：I'm getting an error while importing the "ngx-bootstrap/datepicker" module in Angular 6 【发布时间】：2019-02-12 14:22:24 【问题描述】：我正在尝试在我的 Angular 应用程序中导入 ngx Bootstrap 日期选择器 为此，我遵循了以下步骤
到 npm 安装 ngx-bootstrap
npm install ngx-bootstrap --save
已安装引导程序 3
npm install bootstrap@3 --save
在 angular-cli.json 文件中，并在样式属性中指定 Bootstrap 样式表 (bootstrap.min.css) 的路径
“样式”：[ “../node_modules/bootstrap/dist/css/bootstrap.min.css”， “样式.css” ]
在 Angular 中使用 ngx-bootstrap 日期选择器：
在 app.module.ts 文件中，导入 BsDatepickerModule
从 'ngx-bootstrap/datepicker' 导入 BsDatepickerModule ；
在html中使用
bsDatepicker
class="表单控制" />
在 .angular-cli.json 文件中包含对 bs-datepicker.css 文件的引用。
“样式”：[ “../node_modules/bootstrap/dist/css/bootstrap.min.css”， "../node_modules/ngx-bootstrap/datepicker/bs-datepicker.css", “样式.css” ]
但我在运行 Angular 应用程序时遇到错误
ERROR in multi ../node_modules/bootstrap/dist/css/bootstrap.min.css../node_modules/ngx-bootstrap/datepicker/bs-datepicker.css ./src/styles.css
Module not found: Error: Can't resolve '/Users/user/Projects/node_modules/bootstrap/dist/css/bootstrap.min.css'在 '/Users/user/Projects/CRUD' 错误中多 ../node_modules/bootstrap/dist/css/bootstrap.min.css ../node_modules/ngx-bootstrap/datepicker/bs-datepicker.css ./src/styles.css
Module not found: Error: Can't resolve '/Users/user/Projects/node_modules/ngx-bootstrap/datepicker/bs-datepicker.css'在'/Users/user/Projects/CRUD'中
我将代码的所有信息放在下面-：
我将 angular.json 文件代码放在下面
"$schema": "./node_modules/@angular/cli/lib/config/schema.json",
"version": 1,
"newProjectRoot": "projects",
"projects":
"CRUD":
"root": "",
"sourceRoot": "src",
"projectType": "application",
"prefix": "app",
"schematics": ,
"architect":
"build":
"builder": "@angular-devkit/build-angular:browser",
"options":
"outputPath": "dist/CRUD",
"index": "src/index.html",
"main": "src/main.ts",
"polyfills": "src/polyfills.ts",
"tsConfig": "src/tsconfig.app.json",
"assets": [
"src/favicon.ico",
"src/assets"
],
"styles": [
"../node_modules/bootstrap/dist/css/bootstrap.min.css",
"../node_modules/ngx-bootstrap/datepicker/bs-datepicker.css",
"src/styles.css"
],
"scripts": []
,
"configurations":
"production":
"fileReplacements": [
"replace": "src/environments/environment.ts",
"with": "src/environments/environment.prod.ts"
],
"optimization": true,
"outputHashing": "all",
"sourceMap": false,
"extractCss": true,
"namedChunks": false,
"aot": true,
"extractLicenses": true,
"vendorChunk": false,
"buildOptimizer": true
,
"serve":
"builder": "@angular-devkit/build-angular:dev-server",
"options":
"browserTarget": "CRUD:build"
,
"configurations":
"production":
"browserTarget": "CRUD:build:production"
,
"extract-i18n":
"builder": "@angular-devkit/build-angular:extract-i18n",
"options":
"browserTarget": "CRUD:build"
,
"test":
"builder": "@angular-devkit/build-angular:karma",
"options":
"main": "src/test.ts",
"polyfills": "src/polyfills.ts",
"tsConfig": "src/tsconfig.spec.json",
"karmaConfig": "src/karma.conf.js",
"styles": [
"src/styles.css"
],
"scripts": [],
"assets": [
"src/favicon.ico",
"src/assets"
]
,
"lint":
"builder": "@angular-devkit/build-angular:tslint",
"options":
"tsConfig": [
"src/tsconfig.app.json",
"src/tsconfig.spec.json"
],
"exclude": [
"**/node_modules/**"
]
,
"CRUD-e2e":
"root": "e2e/",
"projectType": "application",
"architect":
"e2e":
"builder": "@angular-devkit/build-angular:protractor",
"options":
"protractorConfig": "e2e/protractor.conf.js",
"devServerTarget": "CRUD:serve"
,
"configurations":
"production":
"devServerTarget": "CRUD:serve:production"
,
"lint":
"builder": "@angular-devkit/build-angular:tslint",
"options":
"tsConfig": "e2e/tsconfig.e2e.json",
"exclude": [
"**/node_modules/**"
]
,
"defaultProject": "CRUD"
Package.json 代码 - :
"name": "crud",
"version": "0.0.0",
"scripts":
"ng": "ng",
"start": "ng serve",
"build": "ng build",
"test": "ng test",
"lint": "ng lint",
"e2e": "ng e2e"
,
"private": true,
"dependencies":
"@angular/animations": "^6.0.3",
"@angular/common": "^6.0.3",
"@angular/compiler": "^6.0.3",
"@angular/core": "^6.0.3",
"@angular/forms": "^6.0.3",
"@angular/http": "^6.0.3",
"@angular/platform-browser": "^6.0.3",
"@angular/platform-browser-dynamic": "^6.0.3",
"@angular/router": "^6.0.3",
"bootstrap": "^3.3.7",
"core-js": "^2.5.4",
"ngx-bootstrap": "^3.0.1",
"rxjs": "^6.0.0",
"zone.js": "^0.8.26"
,
"devDependencies":
"@angular/compiler-cli": "^6.0.3",
"@angular-devkit/build-angular": "~0.6.8",
"typescript": "~2.7.2",
"@angular/cli": "~6.0.8",
"@angular/language-service": "^6.0.3",
"@types/jasmine": "~2.8.6",
"@types/jasminewd2": "~2.0.3",
"@types/node": "~8.9.4",
"codelyzer": "~4.2.1",
"jasmine-core": "~2.99.1",
"jasmine-spec-reporter": "~4.2.1",
"karma": "~1.7.1",
"karma-chrome-launcher": "~2.2.0",
"karma-coverage-istanbul-reporter": "~2.0.0",
"karma-jasmine": "~1.1.1",
"karma-jasmine-html-reporter": "^0.2.2",
"protractor": "~5.3.0",
"ts-node": "~5.0.1",
"tslint": "~5.9.1"
App.module.ts 代码
import BrowserModule from '@angular/platform-browser';
import NgModule from '@angular/core';
import RouterModule , Routes from '@angular/router';
import FormsModule from '@angular/forms';
import AppComponent from './app.component';
import ListEmployeesComponent from './employees/list-employees.component';
import CreateEmployeeComponent from './employees/create-employee.component';
import BsDatepickerModule from 'ngx-bootstrap/datepicker';
const appRoutes: Routes = [
path: 'list', component: ListEmployeesComponent ,
path: 'create', component: CreateEmployeeComponent ,
path: '', redirectTo: '/list', pathMatch: 'full'
];
@NgModule(
declarations: [
AppComponent,
ListEmployeesComponent,
CreateEmployeeComponent
],
imports: [
BrowserModule,
RouterModule.forRoot(appRoutes),
FormsModule,
BsDatepickerModule.forRoot()
],
providers: [],
bootstrap: [AppComponent]
)
export class AppModule
【问题讨论】：
您从错误的位置导入 css 文件。编辑angular.json文件like(删除../:"styles": [ "node_modules/bootstrap/dist/css/bootstrap.min.css", "node_modules/ngx-bootstrap/datepicker/bs-datepicker.css", "src/styles.css" ],
感谢@suhailvs ..
【参考方案1】：
更正导入 css 文件位置后，我的错误得到修复。我编辑了 angular.json 文件，如下所示
(remove ../: "styles": [ "node_modules/bootstrap/dist/css/bootstrap.min.css", "node_modules/ngx-bootstrap/datepicker/bs-datepicker.css", "src/styles.css" ],
【讨论】：
【参考方案2】：你可以试试这个命令：
ng add ngx-bootstrap
【讨论】：
请改进格式并添加一些解释为什么这个命令有用:)以上是关于在 Angular 6 中导入“ngx-bootstrap/datepicker”模块时出现错误的主要内容，如果未能解决你的问题，请参考以下文章
在 Angular 6 中导入“ngx-bootstrap/datepicker”模块时出现错误
找不到在 Angular 中导入 Firebase 身份验证
在 Angular 项目中导入 2 个同名的 JavaScript 函数
在 index.html 中导入 css 和在 Angular 5 中导入 styleUrls 的区别