你当前正在访问 Microsoft Azure Global Edition 技术文档网站。 如果需要访问由世纪互联运营的 Microsoft Azure 中国技术文档网站，请访问 https://docs.azure.cn。

FormRecognizerClient.StartRecognizeReceiptsFromUriAsync 方法

定义

命名空间:

Azure.AI.FormRecognizer

程序集:

Azure.AI.FormRecognizer.dll

包:

Azure.AI.FormRecognizer v4.1.0

Source:

FormRecognizerClient.cs

识别一个或多个收据中的值。

有关 收据 上可用字段的列表，请参阅收据字段。

public virtual System.Threading.Tasks.Task<Azure.AI.FormRecognizer.Models.RecognizeReceiptsOperation> StartRecognizeReceiptsFromUriAsync (Uri receiptUri, Azure.AI.FormRecognizer.RecognizeReceiptsOptions recognizeReceiptsOptions = default, System.Threading.CancellationToken cancellationToken = default);

abstract member StartRecognizeReceiptsFromUriAsync : Uri * Azure.AI.FormRecognizer.RecognizeReceiptsOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Azure.AI.FormRecognizer.Models.RecognizeReceiptsOperation>
override this.StartRecognizeReceiptsFromUriAsync : Uri * Azure.AI.FormRecognizer.RecognizeReceiptsOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Azure.AI.FormRecognizer.Models.RecognizeReceiptsOperation>

Public Overridable Function StartRecognizeReceiptsFromUriAsync (receiptUri As Uri, Optional recognizeReceiptsOptions As RecognizeReceiptsOptions = Nothing, Optional cancellationToken As CancellationToken = Nothing) As Task(Of RecognizeReceiptsOperation)

参数

receiptUri

Uri

要从中识别值的远程文件的绝对 URI。

recognizeReceiptsOptions

RecognizeReceiptsOptions

一组可用于配置识别请求的选项。 例如，指定窗体的内容类型、窗体的区域设置，或者指定是否包含窗体元素。

cancellationToken

CancellationToken

控制 CancellationToken 请求生存期的 。

返回

Task<RecognizeReceiptsOperation>

等待 RecognizeReceiptsOperation 此长时间运行的操作的 。 成功完成后，其 Value 将包含提取的回执。