如何在要附加到电子邮件的内存中编写CSV？

发布于 2025-02-10 01:19:02 字数 487 浏览 3 评论 0原文

我有一个处理错误的Azure函数应用程序。在我的应用退出之前，我想将内存中的错误写为CSV，然后在电子邮件中将文件发送到客户端。这是我在磁盘中存储文件的代码。

        using (var writer = new StreamWriter(fileName))
        using (var csv = new CsvWriter(writer, CultureInfo.InvariantCulture))
        {
            foreach (var row in content)
            {
                foreach (var col in row)
                {
                    csv.WriteField(col);
                }

                csv.NextRecord();
            }
        }

原文

I have this azure function app that process errors. Before my app exits, I would like to write the errors in our memory as csv and then send the file to a client in an email.This is the code I have that stores file in the disk.

        using (var writer = new StreamWriter(fileName))
        using (var csv = new CsvWriter(writer, CultureInfo.InvariantCulture))
        {
            foreach (var row in content)
            {
                foreach (var col in row)
                {
                    csv.WriteField(col);
                }

                csv.NextRecord();
            }
        }

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岁吢 2025-02-17 01:19:02

只需使用MemoryStream而不是指向文件并以后将其转换为字符串。

public string GetLogs()
{
    // use MemoryStream instead of file
    using (var ms = new MemoryStream())
    using (var writer = new StreamWriter(ms))
    {
        // write everything
        ...

        // ensure write is finished
        writer.Flush();

        // convert memory stream to string
        return Encoding.UTF8.GetString(ms.ToArray());
    }
}

PS，但请注意Mohitganorkar-Mt所写的内容。

Just use MemoryStream instead of pointing to file and convert it to string later.

public string GetLogs()
{
    // use MemoryStream instead of file
    using (var ms = new MemoryStream())
    using (var writer = new StreamWriter(ms))
    {
        // write everything
        ...

        // ensure write is finished
        writer.Flush();

        // convert memory stream to string
        return Encoding.UTF8.GetString(ms.ToArray());
    }
}

P.S. But pay attention to what MohitGanorkar-MT wrote.

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