安裝Angular通常需要以下幾個步驟：
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1. 確保你的機器上已經(jīng)安裝了Node.js和npm，這是使用Angular的必要條件。如果沒有安裝，可以通過官網(wǎng)下載并安裝nodejs.org/en/download…?。
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打開終端（Unix / Linux / macOS）或命令提示符（Windows）并輸入以下命令安裝Angular CLI(命令行工具) ：
npm install -g @angular/cli -
創(chuàng)建一個新的Angular應用程序。在終端中運行以下命令：
ng new my-app這將創(chuàng)建一個名為"my-app"的新應用程序，其中包括Angular框架、基本的文件和文件夾結構和一些默認的樣式。這個過程可能需要一些時間，請耐心等待。
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進入剛剛創(chuàng)建的項目目錄，并在本地運行開發(fā)服務器：
cd my-app ng serve --open運行成功后，你可以在瀏覽器中訪問http://localhost:4200并看到一個默認的Angular歡迎頁面。
總的來說，安裝Angular需要安裝Node.js和npm，然后使用Angular CLI創(chuàng)建一個新的Angular項目，并在本地運行開發(fā)服務器以查看你的應用程序。如果出現(xiàn)任何問題，可以查看官方文檔或向社區(qū)尋求幫助。
要求
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Node.js
下載地址，當然也可以用brew install node來安裝。 -
npm package manager
當我用brew安裝node.js的時候，npm也一并被安裝了
安裝Angular CLI
npm install -g @angular/cli
配置編輯器
官網(wǎng)的第四步就開始編輯Angular組件了，但工于利其事必先利其器，一個文件一個文件的編輯太麻煩了，咱先把編輯器配置好。
常用的Angular編輯器有Visual Studio Code、WebStorm、Sublime Text
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Development environment
If you plan to complete this tutorial on your local computer, you must install the required software. If you have already installed some of the required software, you must verify that it is the correct version.
Perform these steps in a command-line tool on the computer you want to use for this tutorial.
IMPORTANT:?If you plan to use StackBlitz to do the lessons, you can proceed to the first lesson. You don't need to install any software.
Step 1 - Identify the version of?node.js?that Angular requires
IMPORTANT:?This step is only required if you have a version of node installed, otherwise, proceed to step 2 below.
Angular requires an active LTS or maintenance LTS version of Node. Let's confirm your version of?node.js. For information about specific version requirements, see the engines property in the?package.json file.
From a?Terminal?window:文章來源：http://www.zghlxwxcb.cn/news/detail-574816.html
- Run the following command:?
node --version - Confirm that the version number displayed meets the requirements.
Step 2 - Install the correct version of?node.js?for Angular
If you do not have a version of?node.js?installed, please follow the?directions for installation on nodejs.org
Step 3 - Install the latest version of Angular
With?node.js?and?npm?installed, the next step is to install the?Angular CLI?which provides tooling for effective Angular development.
From a?Terminal?window:
- Run the following command:?
npm install -g @angular/cli - Once the installation completes, the terminal window will display details of the Angular CLI version installed on your local computer.
Step 4 - Install integrated development environment (IDE)
You are free to use any tool you prefer to build apps with Angular. We recommend the following:文章來源地址http://www.zghlxwxcb.cn/news/detail-574816.html
- Visual Studio Code
- As an optional, but recommended step you can further improve your developer experience by installing the?Angular Language Service
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