Sharepoint 列表项api正在返回空的ServerRedirectedEmbedUrl

Sharepoint 列表项api正在返回空的ServerRedirectedEmbedUrl,sharepoint,sharepoint-rest-api,Sharepoint,Sharepoint Rest Api,我需要为文件嵌入url,但列表项的api工作不正常: {{url}}/_api/web/lists/GetByTitle('Documents')/items API正在返回.xlsx文件的嵌入url,但未返回.xls文件的嵌入url 样本响应: { "value": [ { "FileSystemObjectType": 0, "Id": 8,

我需要为文件嵌入url,但列表项的api工作不正常:

{{url}}/_api/web/lists/GetByTitle('Documents')/items
API正在返回
.xlsx
文件的嵌入url,但未返回
.xls
文件的嵌入url

样本响应:

{
    "value": [
        {
            "FileSystemObjectType": 0,
            "Id": 8,
            "ServerRedirectedEmbedUri": "https://<host>/_layouts/15/Doc.aspx?sourcedoc={05026c29-6b6e-45ba-8694-e17391246eb4}&action=interactivepreview",
            "ServerRedirectedEmbedUrl": "https://<host>/_layouts/15/Doc.aspx?sourcedoc={05026c29-6b6e-45ba-8694-e17391246eb4}&action=interactivepreview",
            "ContentTypeId": "0x010100522CD6520C5CE14A8082461F602D4311",
            "ComplianceAssetId": null,
            "Title": null,
            "ID": 8,
            "Created": "2020-03-19T19:49:16Z",
            "AuthorId": 11,
            "Modified": "2020-03-19T19:49:16Z",
            "EditorId": 11,
            "OData__CopySource": null,
            "CheckoutUserId": null,
            "OData__UIVersionString": "1.0",
            "GUID": "cdc54e8e-86c0-48af-ba27-1abbd50d6fca"
        },
        {
            "FileSystemObjectType": 0,
            "Id": 17,
            "ServerRedirectedEmbedUri": null,
            "ServerRedirectedEmbedUrl": "",
            "ContentTypeId": "0x010100522CD6520C5CE14A8082461F602D4311",
            "ComplianceAssetId": null,
            "Title": null,
            "ID": 17,
            "Created": "2020-09-20T06:55:51Z",
            "AuthorId": 11,
            "Modified": "2020-09-20T06:55:51Z",
            "EditorId": 11,
            "OData__CopySource": null,
            "CheckoutUserId": null,
            "OData__UIVersionString": "1.0",
            "GUID": "f8d28ad4-74b3-4c2c-adc6-5ccf05bba0d7"
        }
    ]
}
{
“价值”:[
{
“FileSystemObject类型”:0,
“Id”:8,
“ServerRedirectedEmbedUri”:https:///_layouts/15/Doc.aspx?sourcedoc={05026c29-6b6e-45ba-8694-e17391246eb4}&action=interactivepreview“,
“ServerRedirectedEmbedUrl”:https:///_layouts/15/Doc.aspx?sourcedoc={05026c29-6b6e-45ba-8694-e17391246eb4}&action=interactivepreview“,
“ContentTypeId”:“0x010100522CD6520C5CE14A8082461F602D4311”,
“ComplianceAsetId”:空,
“标题”:空,
“ID”:8,
“已创建”:“2020-03-19T19:49:16Z”,
“作者”:11,
“修改”:“2020-03-19T19:49:16Z”,
“社论”:11,
“OData_uuuCopySource”:空,
“CheckoutUserId”:空,
“OData_uuu版本字符串”:“1.0”,
“GUID”:“cdc54e8e-86c0-48af-ba27-1abbd50d6fca”
},
{
“FileSystemObject类型”:0,
“Id”:17,
“ServerRedirectedEmbedUri”:空,
ServerRedirectedEmbedUrl:“,
“ContentTypeId”:“0x010100522CD6520C5CE14A8082461F602D4311”,
“ComplianceAsetId”:空,
“标题”:空,
“ID”:17,
“已创建”:“2020-09-20T06:55:51Z”,
“作者”:11,
“修改”:“2020-09-20T06:55:51Z”,
“社论”:11,
“OData_uuuCopySource”:空,
“CheckoutUserId”:空,
“OData_uuu版本字符串”:“1.0”,
“GUID”:“f8d28ad4-74b3-4c2c-adc6-5ccf05bba0d7”
}
]
}
有人能说出背后的原因吗