sharepointOnline的外接应用创建

#CODE STARTS HERE

$programFiles = [environment]::getfolderpath("programfiles")

add-type -Path $programFiles'SharePoint Online Management ShellMicrosoft.Online.SharePoint.PowerShellMicrosoft.SharePoint.Client.dll'

Write-Host 'To enable SharePoint app sideLoading, enter Site Url, username and password'
  
 $siteurl = Read-Host 'Site Url'
  
 $username = Read-Host "User Name"
  
 $password = Read-Host -AsSecureString 'Password'
  
 if ($siteurl -eq '')
 {
     $siteurl = 'https://mytenant.sharepoint.com/sites/mysite'
  
     $username = 'me@mytenant.onmicrosoft.com'
  
     $password = ConvertTo-SecureString -String 'mypassword!' -AsPlainText -Force
  
 }
      $outfilepath = $siteurl -replace ':', '_' -replace '/', '_'
  
 try
 {
     [Microsoft.SharePoint.Client.ClientContext]$cc = New-Object Microsoft.SharePoint.Client.ClientContext($siteurl)
  
     [Microsoft.SharePoint.Client.SharePointOnlineCredentials]$spocreds = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($username, $password)
  
     $cc.Credentials = $spocreds
     
      Write-Host -ForegroundColor Yellow 'SideLoading feature is not enabled on the site:' $siteurl
      
      $site = $cc.Site;
      
         $sideLoadingGuid = new-object System.Guid "AE3A1339-61F5-4f8f-81A7-ABD2DA956A7D"
      
         $site.Features.Add($sideLoadingGuid, $false, [Microsoft.SharePoint.Client.FeatureDefinitionScope]::None);
      
         $cc.ExecuteQuery();
      
         Write-Host -ForegroundColor Green 'SideLoading feature enabled on site' $siteurl
     #Activate the Developer Site feature
 }
  
 catch
  
 { 
     Write-Host -ForegroundColor Red 'Error encountered when trying to enable SideLoading feature' $siteurl, ':' $Error[0].ToString();
 }

#CODE ENDS HERE

安装sharepointonlinemanagementshell_English_x64.msi
执行以上脚本，按提示输入url,username,password.