小编Ami*_*ram的帖子

我已经开始学习Angular了，但是我注意到Windows中的powershell每当执行如下的angular命令时都会出现错误：

ng new new-app

要么

ng serve

这是我得到的错误：

ng : File C:\Users\< username >\AppData\Roaming\npm\ng.ps1 cannot be loaded because 
running scripts is disabled on this system. For more information, see 
about_Execution_Policies at https:/go.microsoft.com/fwlink/?LinkID=135170.
At line:1 char:1
+ ng serve
+ ~~
    + CategoryInfo          : SecurityError: (:) [], PSSecurityException
    + FullyQualifiedErrorId : UnauthorizedAccess

PS我尝试在cmd中的这些命令，它的工作原理。