1. 打开dart官网 获取 Dart SDK | Dart

2. 安装Chocolatey，以管理员身份打开cmd，输入下面代码

Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))

接着安装dart-sdk

choco install dart-sdk

3. 在vscode里安装dart、code runner插件

4. 新建文件夹dart/index.dart，右键点击代码处run code 运行

5. 如果出现乱码，打开setting -> extension -> settting.json插入下面代码重启vscode即可

"code-runner.runInTerminal": true,

6. flutter sdk已包含dart sdk，此安装只是为了学习dart语言

7. 运行成功的结果