Node.js 正在try 使用Azure Function App上载文件时未上载文件(&Q；)

我正在try 创建一个Azure函数，它可以上载到Azure存储Blob.我正在使用postman 发送请求.在Postman中，我将Body设置为form-data，将Key设置为file，然后附加一个测试图像，看看它是否会被上传.但在我的回复中，我得到了一个"没有上传文件".回应.

我不知道是什么导致了这种情况的发生.我甚至添加了额外的日志(log)记录，以便我可以查看Azure日志(log)流，以下是输出:

2024-01-22T17:21:14Z   [Information]   Request body: ReadableStream { locked: false, state: 'readable', supportsBYOB: false }
2024-01-22T17:21:14Z   [Information]   Request file: undefined
2024-01-22T17:21:14Z   [Information]   File uploaded: No file was uploaded

如果您希望查看函数应用程序代码，则该函数的代码如下:

const { BlobServiceClient } = require('@azure/storage-blob');
const { app } = require('@azure/functions');
const multer = require('multer');
const upload = multer();

// Azure Storage connection string
const AZURE_STORAGE_CONNECTION_STRING = process.env['AZURE_STORAGE_CONNECTION_STRING'];

app.http('postToICTDatabaseFiles', {
  methods: ['POST'],
  authLevel: 'anonymous',
  handler: async (request, context) => {
    try {
        // Log the request body for debugging
        context.log("Request body:", request.body);

      // Wrap the upload in a new Promise and await it
      const file = await new Promise((resolve, reject) => {
        upload.single('file')(request, {}, function (err) {
          if (err) {
            reject(err);
          } else {
            resolve(request.file);
          }
        });
      });

      // Log the file object for debugging
      context.log("Request file:", file);

      // Print to context.log the file name or if no file was uploaded
      context.log(`File uploaded: ${file ? file.originalname : 'No file was uploaded.'}`);

      // If file is undefined, return an error
      if (!file) {
        return {
          status: 400,
          body: 'No file was uploaded.'
        };
      }

      // Create a BlobServiceClient object which will be used to create a container client
      const blobServiceClient = BlobServiceClient.fromConnectionString(AZURE_STORAGE_CONNECTION_STRING);

      // Get a reference to a container
      const containerClient = blobServiceClient.getContainerClient('files'); // Azure blob storage name

      // Create a new block blob and upload the file
      const blockBlobClient = containerClient.getBlockBlobClient(file.originalname);
      const uploadBlobResponse = await blockBlobClient.upload(file.buffer, file.buffer.length);

      context.log(`Upload block blob ${file.originalname} successfully`, uploadBlobResponse.requestId);

      // Respond with the result
      return {
        status: 200,
        body: `File uploaded successfully. Blob URL: ${blockBlobClient.url}`
      };
    } catch (error) {
      // Handle errors

      // Log or console the error details for debugging
      context.log(error.message);
      return {
        status: 500,
        body: error.message
      };
    }
  }
});