dart学习一 windows环境安装dart环境

安装dart sdk

https://dart.dev/get-dart

现在dart是2.3.1

可通过 Chocolatey 方式安装，或者直接下载安装包。

下载的安装包其实是个壳，通过壳需要另外下载其他文件，速度很慢。

Chocolatey 类似 apt-get yum之类的包管理工具，不过Chocolatey 是在 win 下运行。

https://chocolatey.org/

https://chocolatey.org/install

Chocolatey 有个好处就是会管理升级这些事情。而且下载速度也不错。安装在c盘下面 C: ools

安装正式版      choco install dart-sdk

测试版         choco install dart-sdk --pre

更新dart sdk   choco upgrade dart-sdk

PS C:UsersAdministrator> choco install dart-sdk
Chocolatey v0.10.15
Installing the following packages:
dart-sdk
By installing you accept licenses for the packages.
Progress: Downloading dart-sdk 2.3.1... 100%

dart-sdk v2.3.1 [Approved]
dart-sdk package files install completed. Performing other installation steps.
The package dart-sdk wants to run 'chocolateyInstall.ps1'.
Note: If you don't run this script, the installation will fail.
Note: To confirm automatically next time, use '-y' or consider:
choco feature enable -n allowGlobalConfirmation
Do you want to run the script?([Y]es/[A]ll - yes to all/[N]o/[P]rint): a

Get-BinRoot is going to be deprecated in v1 and removed in v2. It has been replaced with Get-ToolsLocation (starting with v0.9.10), however many packages no longer require a special separate directory since package folders no longer have versions on them. Some do though and should continue to use Get-ToolsLocation.
PATH environment variable does not have C:	oolsdart-sdkin in it. Adding...
PATH environment variable does not have C:UsersAdministratorAppDataRoamingPubCachein in it. Adding...
Downloading dart-sdk 64 bit
  from 'https://storage.googleapis.com/dart-archive/channels/stable/release/2.3.1/sdk/dartsdk-windows-x64-release.zip'
Progress: 100% - Completed download of C:UsersAdministratorAppDataLocalTempdart-sdk2.3.1dartsdk-windows-x64-release.zip (139.54 MB).
Download of dartsdk-windows-x64-release.zip (139.54 MB) completed.
Hashes match.
Extracting C:UsersAdministratorAppDataLocalTempdart-sdk2.3.1dartsdk-windows-x64-release.zip to C:	ools...
C:	ools
Environment Vars (like PATH) have changed. Close/reopen your shell to
 see the changes (or in powershell/cmd.exe just type `refreshenv`).
 The install of dart-sdk was successful.
  Software installed to 'C:	ools'

Chocolatey installed 1/1 packages.
 See the log for details (C:ProgramDatachocolateylogschocolatey.log).
PS C:UsersAdministrator>