创建CSV文件并保存到Blobstore [英] Create CSV file and save to Blobstore

问题描述

是否可以创建CSV文件并存储，并在AppEngine Blobstore上进行更新。也可以通过电子邮件发送这个blobstore CSV文件作为附件吗？如果是，是否有任何示例文档可用于完成此操作。 可以将数据写入Blobstore ，包括CSV数据（仅为文本）。

您也可以从Blobstore读取数据，以及用附件创建邮件。

您可以附加到该文件，直到它最终关闭 - 意味着您可以通过一系列请求追加到该文件。但是一旦 closeFinally（）被调用，它就变得不可变 - 你不能追加它或改变内容。

Is it possible to create a CSV file and store, update it on AppEngine Blobstore. Also would it be possible to email this blobstore CSV file as attachment? If yes, are are any sample docs available to accomplish this.

解决方案

1. Yes you can write data to blobstore, including CSV data (which is just text).

2. You can also read data from blobstore, and create mail with attachment.

Update:

You can append to the file until it's finally closed - meaning you can append to it via a series of requests. But once closeFinally() is called, it becomes immutable - you can not append to it or change contents.

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