如何从 PowerShell 中的 Invoke-WebRequest 解析 JSON? [英] How to parse JSON from the Invoke-WebRequest in PowerShell?

问题描述

向使用自签名证书的服务器发送 GET 请求时:

When sending the GET request to the server, which uses self-signed certificate:

add-type @"
    using System.Net;
    using System.Security.Cryptography.X509Certificates;
    public class TrustAllCertsPolicy : ICertificatePolicy {
        public bool CheckValidationResult(
            ServicePoint srvPoint, X509Certificate certificate,
            WebRequest request, int certificateProblem) {
            return true;
        }
    }
"@
[System.Net.ServicePointManager]::CertificatePolicy = New-Object TrustAllCertsPolicy
$RESPONSE=Invoke-WebRequest -Uri https://yadayada:8080/bla -Method GET
echo $RESPONSE

我收到以下回复:

StatusCode        : 200
StatusDescription : OK
Content           : {123, 10, 108, 111...}
RawContent        : HTTP/1.1 200 OK
                    Content-Length: 21
                    Date: Sat, 11 Jun 2016 10:11:03 GMT

                    {
                        flag:false
                    }
Headers           : {[Content-Length, 21], [Date, Sat, 11 Jun 2016 10:11:03 GMT]}
RawContentLength  : 21

Content 包含一些有线数字，所以我去了 RawContent，我将如何解析里面的 JSON，忽略标头?或者有没有一种干净的方法可以从这些数字中获取内容?

Content contains some wired numbers, so I went after RawContent, how would I parse the JSON inside, ignoring headers? or is there a clean way to get Content from those numbers?

推荐答案

您可以将 Invoke-WebRequest 替换为 Invoke-RestMethod，后者将 json 响应自动转换为 psobject 所以你可以使用:

You could replace Invoke-WebRequest with Invoke-RestMethod which auto-converts json response to a psobject so you can use:

$response = Invoke-RestMethod -Uri "https://yadayada:8080/bla"
$response.flag 

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