如何使用以下命令在Angular CLI中创建最新的Angular 4版本的新项目:
ng new new_project
我已经安装了以下版本:
- @angular/cli: 1.0.0-rc.2
- node: 7.7.3
- npm: 4.4.1
如何使用以下命令在Angular CLI中创建最新的Angular 4版本的新项目:
ng new new_project
我已经安装了以下版本:
- @angular/cli: 1.0.0-rc.2
- node: 7.7.3
- npm: 4.4.1
你无法使用CLI创建一个默认使用Angular 4的新Angular应用程序,至少目前还不行。CLI只支持Angular 2,目前为止。我想这很快会改变。
然而,您可以使用ng new <app-name>
创建一个新的应用程序,然后在package.json中更改它所使用的Angular版本。运行npm install
,一切都应该正常工作。这是我的经验。
希望这能对您有所帮助。
更新:
我错了!有一个选项可以传递给ng new
命令,以设置项目使用ng4。
ng new project_new --ng4
来自ng --help
:
--ng4 (Boolean) (Default: false) 创建一个使用Angular 4的模板项目。
现在,这将设置@angular部分package.json如下。
"dependencies": {
"@angular/common": ">=4.0.0-beta <5.0.0",
"@angular/compiler": ">=4.0.0-beta <5.0.0",
"@angular/core": ">=4.0.0-beta <5.0.0",
"@angular/forms": ">=4.0.0-beta <5.0.0",
"@angular/http": ">=4.0.0-beta <5.0.0",
"@angular/platform-browser": ">=4.0.0-beta <5.0.0",
"@angular/platform-browser-dynamic": ">=4.0.0-beta <5.0.0",
"@angular/router": ">=4.0.0-beta <5.0.0",
...
我刚试了一下,它可以工作。
更新2
--ng4
选项现已被删除,因为最新的CLI将通过使用ng new project_name
创建一个Angular 5项目。
使用 Angular CLI 创建 Angular 4 项目的最简单方法是安装较旧版本的@angular/cli(1.4.10)。
npx @angular/cli@1.4.10 new myangular4
感谢Explosion Pills提供的帮助。> npm remove -g @angular/cli
> npm install -g @angular/cli@1.4.10
> ng --version
@angular/cli: 1.4.10
> ng new myangular4
创建一个myangular4/package.json文件
{
"name": "myangular4",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build",
"test": "ng test",
"lint": "ng lint",
"e2e": "ng e2e"
},
"private": true,
"dependencies": {
"@angular/animations": "^4.2.4",
"@angular/common": "^4.2.4",
"@angular/compiler": "^4.2.4",
"@angular/core": "^4.2.4",
"@angular/forms": "^4.2.4",
"@angular/http": "^4.2.4",
"@angular/platform-browser": "^4.2.4",
"@angular/platform-browser-dynamic": "^4.2.4",
"@angular/router": "^4.2.4",
"core-js": "^2.4.1",
"rxjs": "^5.4.2",
"zone.js": "^0.8.14"
},
npx @angular/cli@1.4.10 new myangular4
。 - Explosion Pillsnpm install -g @angular/cli
并没有完成任务。npm install -g @angular/cli --upgrade
来更新cli。ng new myProject --mobile
就可以获得大于4的Angular版本。请更新您的angular-cli版本,然后尝试使用“ng new new_project”命令创建新的Angular 4应用程序。
使用 Angular CLI 创建一个 Angular_4 项目,请遵循以下命令行:
npm remove -g @angular/cli
npm install -g @angular/cli@1.4.10
ng new myNewAngular4App
npm install -g @angular/cli
npm install
ng serve --open
"dependencies": {
"@angular/animations": "^4.2.4",
"@angular/common": "^4.2.4",
"@angular/compiler": "^4.2.4",
"@angular/core": "^4.2.4",
"@angular/forms": "^4.2.4",
"@angular/http": "^4.2.4",
"@angular/platform-browser": "^4.2.4",
"@angular/platform-browser-dynamic": "^4.2.4",
"@angular/router": "^4.2.4"
}
npm install @angular/{{package_name}} // 例如:npm install @angular/core
我按照Angular官方文档中所示进行操作。
npm install -g @angular/cli
ng new your-app
cd your-app
ng serve --open
在浏览器中打开http://localhost:4200/
步骤1:设置开发环境:如果未安装,请安装Node.js和npm。
步骤2:全局安装Angular CLI。
npm install -g @angular/cli@1.4.*
步骤3:创建新项目。
ng new my-app
步骤4:运行应用程序:
cd my-app
ng serve --open
以上应用程序将使用Angular 4。
在我的情况下,我更新了package.json文件,将所有以@angular开头的包的版本设置为4.x.x,除了angular/cli(即:@angular/animations": "4.x.x"),这意味着导入版本4的最新版本(即4.4.6)。
然后我执行npm install命令。
要验证已安装的版本,请执行:npm list --depth=0 | grep angular
这是更新后的package.json文件的一部分:
"dependencies": {
"@angular/animations": "4.x.x",
"@angular/common": "4.x.x",
"@angular/compiler": "4.x.x",
"@angular/core": "4.x.x",
"@angular/forms": "4.x.x",
"@angular/http": "4.x.x",
"@angular/platform-browser": "4.x.x",
"@angular/platform-browser-dynamic": "4.x.x",
"@angular/platform-server": "4.x.x",
"@angular/router": "4.x.x",
"@ngx-translate/core": "^6.0.1",
"@ngx-translate/http-loader": "0.0.3",
"@types/form-data": "^2.2.0",
"@types/hammerjs": "^2.0.35",
"angular2-jwt": "^0.2.2",
"angular2-text-mask": "^8.0.3",
"base64-js": "^1.2.1",
"browser-sync": "^2.23.2",
"chart.js": "^2.7.0",
"classlist.js": "1.1.20150312",
"core-js": "2.4.1",
"crypto-js": "3.1.9-1",
"expect": "^1.20.2",
"font-awesome": "4.7.0",
"google-libphonenumber": "3.0.3",
"hammerjs": "^2.0.8",
"intl": "1.2.5",
"lodash": "4.17.4",
"moment-timezone": "^0.5.14",
"ng2-page-scroll": "4.0.0-beta.7",
"pako": "^1.0.6",
"pdfjs-dist": "^1.8.398",
"rxjs": "^5.4.2",
"url-search-params-polyfill": "^2.0.1",
"vls-web-modules": "0.0.21",
"web-animations-js": "^2.3.1",
"zone.js": "0.8.4"
},
"devDependencies": {
"@angular/cli": "1.6.5",
"@angular/compiler-cli": "4.x.x",
"@angular/platform-server": "4.x.x",
"@angularclass/hmr": "^2.1.3",
"@compodoc/compodoc": "^1.0.1",
"@types/globalize": "0.0.31",
"@types/googlemaps": "^3.30.0",
"@types/jasmine": "^2.8.3",
"@types/node": "^6.0.88",
"@vls-web-modules/zuul-binder": "0.0.11",
"codelyzer": "^2.0.1",
"enhanced-resolve": "3.3.0",
"immutable": "^3.8.1",
"jasmine-core": "2.8.0",
"jasmine-spec-reporter": "~3.2.0",
"karma": "~1.4.1",
"karma-chrome-launcher": "~2.0.0",
"karma-cli": "~1.0.1",
"karma-coverage-istanbul-reporter": "0.2.0",
"karma-jasmine": "~1.1.1",
"karma-jasmine-html-reporter": "0.2.2",
"karma-phantomjs-launcher": "^1.0.4",
"protractor": "~5.1.0",
"release-it": "2.7.3",
"ts-node": "~2.0.0",
"tslint": "~4.5.0",
"typedoc": "0.6.0",
"typescript": "2
package.json
文件中使用的是@angular版本的范围。因此,它会拉取最新版本(高达5.0版本)。而我运行的程序拉取的是v4.0.0-rc.3版本。这正好符合你的要求。 - R. Richards