我正在尝试使用azure-storage上传流,但CreateBlockBlobFromStream方法需要流长度.我不知道在哪里长度.
我的代码
const Readable = require('stream').Readable; const rs = Readable(); rs._read = () => { //here I read a file,loop through the lines and then generate some xml }; const blobSvc = azure.createBlobService(storageName,key); blobSvc.createBlockBlobFromStream ('data','test.xml',rs,???,(err,r,resp) => {});
解决方法
而不是createBlockBlobFromStream尝试使用
createWriteStreamToBlockBlob.
以下代码示例将字母a-z推送到myblob.txt.
var azure = require('azure-storage'); const Readable = require('stream').Readable; const rs = Readable(); var c = 97; rs._read = () => { rs.push(String.fromCharCode(c++)); if (c > 'z'.charCodeAt(0)) rs.push(null); }; var accountName = "youraccountname"; var accessKey = "youraccountkey"; var host = "https://yourhost.blob.core.windows.net"; var blobSvc = azure.createBlobService(accountName,accessKey,host); rs.pipe(blobSvc.createWriteStreamToBlockBlob('mycontainer','myblob.txt'));
var fs = require("fs"); // ... var stream = fs.createReadStream('test.xml'); stream.pipe(blobSvc.createWriteStreamToBlockBlob('mycontainer','test.xml'));
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