我正在嘗試使用AppendBlobClient將日志檔案條目寫入 Azure Blob 檔案：
const { BlobServiceClient } = require('@azure/storage-blob');
const moment = require('moment-timezone');
const AZURE_STORAGE_CONNECTION_STRING = process.env["FOO_CONNECTION_STRING"];
const FOO_CONTAINER = process.env["FOO_CONTAINER_NAME"];
exports.handler = async (context, req) => {
// setup logging to Azure Blob Container
const blobServiceClient = BlobServiceClient.fromConnectionString(AZURE_STORAGE_CONNECTION_STRING);
const logFileName = "log" moment().tz('America/Chicago').format("YYYYMMDD");
const containerClient = blobServiceClient.getContainerClient(FOO_CONTAINER);
containerClient.create(logFileName);
const loggingClient = containerClient.getAppendBlobClient(logFileName);
const orders = req.body
// iterate over collection of orders, executing an insert for each
for (let idx = 0; idx < orders.length; idx ) {
// do an insert, capture the results, create a log entry
await loggingClient.appendBlock(logEntry, logEntry.length);
}
return {
statusCode: 200,
headers: {'Content-Type': 'application/json'},
body: JSON.stringify( { insertionCount: orders.length })
};
}
但是，我很難理解如何創建初始的空 blob 日志檔案（AppendBlob 型別）。如果我執行這個，我會得到一個錯誤，The specified blob does not exist.很明顯，containerClient.create(logFileName);是不正確的。任何人都使用AppendBlobClient可以指出我做錯了什么？
uj5u.com熱心網友回復：
找出問題所在，嘗試在錯誤的物件上創建。它應該是：
const blobServiceClient = BlobServiceClient.fromConnectionString(AZURE_STORAGE_CONNECTION_STRING);
const logFileName = "log" moment().tz('America/Chicago').format("YYYYMMDD");
const containerClient = blobServiceClient.getContainerClient(FOO_CONTAINER);
const loggingClient = containerClient.getAppendBlobClient(logFileName);
await loggingClient.create();
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