Microsoft Computer Vision API 返回 404 未找到资源

Question

我尝试使用下面的 C# 代码调用 Azure 的 Computer Vision API，但得到以下响应：

{"code":"404","message":"Resource not found"}

对完成这项工作有什么建议吗？

using System;
using System.IO;
using System.Threading.Tasks;
using AzureFunctions.Extensions.CognitiveServices.Bindings.Vision.Analysis;
using Microsoft.Azure.WebJobs;
using Microsoft.Azure.WebJobs.Host;
using Microsoft.Extensions.Logging;
using Microsoft.WindowsAzure.Storage.Table;

namespace myCognitiveFunction
{
    public static class myCognitiveFunction
    {
        [FunctionName("myCognitiveFunction")]
        public static async Task RunAsync(

            [BlobTrigger("images/{name}", Connection = "storageAccount")]Stream myBlob,
            [VisionAnalysis(VisionKey = "Key", VisionUrl = "Url")]VisionAnalysisClient visionClient,
            [Table("VisionAnalysis", Connection = "storageAccount")]IAsyncCollector<VisionResult> results,
            string name, ILogger log)
        {
            var request = new VisionAnalysisRequest(myBlob);
            var result = await visionClient.AnalyzeAsync(request);
            var visionResult = new VisionResult(Guid.NewGuid().ToString(), "VisionAnalysis") { ResultJson = result.ToString() };

            await results.AddAsync(visionResult);
            log.LogInformation($"Results: {result.ToString()}");
        }
    }
    public class VisionResult : TableEntity
    {

        public VisionResult(string id, string partitionKey)
        {
            this.RowKey = id;
            this.PartitionKey = partitionKey;
        }

        public string ResultJson { get; set; }

    }
}

Url: https://mycognitive1000.cognitiveservices.azure.com/

Answer 1

首先，欢迎来到SO！您似乎已经从文档中复制了代码，但没有替换占位符，即 storageAccount、Key、Url...，这是服务工作所必需的。例如，在你的情况下，在你的问题下发布的 URL 应该放在 VisionUrl 属性中，如下所示：

[VisionAnalysis(VisionKey = "YOUR_KEY", VisionUrl = "mycognitive1000.cognitiveservices.azure.com")]

存储帐户是官方文档中的Azure Blob Storage connection string. As for the Vision Key and Url, you can find a good tutorial and documentation on the Computer Vision API。本教程还解释了如何将这些参数写入单独的配置文件中作为最佳实践。

Microsoft Computer Vision API 返回 404 未找到资源

Microsoft Computer Vision API returning 404 Resource Not Found

c#

azure

computer-vision

microsoft-cognitive

azure-cognitive-services