问题:

How can I call a rest based API from a PowerShell script and process the Json answer?

回答1:

What you want is PowerShell 3 and its Invoke-RestMethod, ConvertTo-Json, and ConvertFrom-Json cmdlets. Your code will end up looking like:

 $stuff = Invoke-RestMethod -Uri $url -Method Get;

and there shouldn't even be a need to invoke ConvertFrom-Json on the resulting $stuff => it's already in a usable non-string format.

See http://technet.microsoft.com/en-us/Library/hh849971.aspx for details.

回答2:

I created this Get-Http function to make HTTP requests

param([string]$url)  $req = [System.Net.WebRequest]::Create($url) $req.Method ="GET" $req.ContentLength = 0  $resp = $req.GetResponse() $reader = new-object System.IO.StreamReader($resp.GetResponseStream()) $reader.ReadToEnd()

Dealing with the end result as xml is really easy, however, if you want to process JSON you probably will need some .Net library like JSON.Net.

回答3:

We use Powershell to query a REST API that deals only with Json style data. It was awkward at first but the below code is all we need to perform most operations:

# Authentication $webclient = New-Object System.Net.WebClient $creds = New-Object System.Net.NetworkCredential("MyUsername","MyPassword"); $webclient.Credentials = $creds  # Data prep $data = @{Name='Test';} | ConvertTo-Json  # GET $webClient.DownloadString($url) | ConvertFrom-Json  # POST $webClient.UploadString($url,'POST',$data)  # PUT $webClient.UploadString($url,'PUT',$data)

转载请标明出处:Call REST API from PowerShell Script

文章来源: Call REST API from PowerShell Script

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