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json - Powershell 将嵌套的 Json 导出为 CSV 作为行

问题描述

Json 包含以下结构，我想将值转换为行，然后使用 Powershell 将行插入到 CSV 文件中：

预期的 My CSV 输出将与下面的输出类似。我希望为每个 URL 和其他图像属性重复 GUID。非常感谢您调查请求并提供帮助。

CSV 输出样本

CSV 输出示例

enter code here
"_embedded": {
    "assets": [{
        "guid": "49EDBE70-2B28-3AD7-B993-7F68972BA1",
        "images": [{
            "URL": "https://www.rc.com/eqent_images/2020183/thumb/12014855_1.jpg",
            "imageSize": "thumb",
            "imageType": "OTHER",
            "angleNo": 1,
            "photoGuid": "aeb75f64-9005-472-a85a-f857a7b8e27"
        }, {
            "URL": "https://www.rc.com/eqt_images/2020183/largest/12014855_1.jpg",
            "imageSize": "largest",
            "imageType": "OTHER",
            "angleNo": 1,
            "photoGuid": "aeb75f64-9005-47f2-a85a-f857a7b8e27"
        }],
        "_links": {
            "self": {
                "href": "http://www.rc.com/asset-images/guid/49EDBE70-2B9-3AD7-B993-7F670472BA10?imageSize=thumbnail&imageSize=largest&angleNo=1{&imageType}",
                "templated": true
            }
        }
    }, {
        "guid": "D7C5B69C-083C-7598-2762-B57D64B4D82",
        "images": [{
            "URL": "https://www.rc.com/equipment_images/2090183/thumb/12050336_1.jpg",
            "imageSize": "thumb",
            "imageType": "OTHER",
            "angleNo": 1,
            "photoGuid": "11e196a8-02d3-42ae-9620-1a992516a50"
        }, {
            "URL": "https://www.rc.com/eqnt_images/2020183/largest/12050336_1.jpg",
            "imageSize": "largest",
            "imageType": "OTHER",
            "angleNo": 1,
            "photoGuid": "11e196a8-02d3-42ae-9620-1a7f251a950"
        }],
        "_links": {
            "self": {
                "href": "http://www.rc.com/asset-images/guid/D7C8969C-083C-7598-2762-B57D6994D82E?imageSize=thumbnail&imageSize=largest&angleNo=1{&imageType}",
                "templated": true
            }
        }
    }]
},
"_links": {
    "self": {
        "href": "http://www.rc.com/assetdata-imagescall/search/byGUIDSString?imageSize=thumbnail&imageSize=largest&angleNo=1&page=0&size=1500"
    }
},
"page": {
    "size": 1500,
    "totalElements": 2,
    "totalPages": 1,
    "number": 0
}

}

标签： jsonpowershellcsvnestedexport

解决方案

如果您有一个名为 的正确格式的 JSON j.json，您可能会执行以下操作：

# Read JSON as a PowerShell Object
$obj = Get-Content j.json | ConvertFrom-Json

# Loop through each asset as it contains the GUIDs and Images
$output = $obj._embedded.assets | Foreach-Object {
    # Keep track of Guid as we loop through images
    $guid = $_.Guid
    # Loop through the images to find each URL
    # Use calculated property to create GUID property
    $_.Images | Select-Object @{n='GUID';e={$guid}},URL
}

# Convert to CSV on console only. Not needed if outputting to file
$output | ConvertTo-Csv -NoType

# Output to CSV file
$output | Export-Csv -Path output.csv -NoType

有关计算属性的信息，请参见选择对象。

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