格式化跟踪输出

问题描述

我正在使用 TextWriterTraceListener 将诊断消息记录到文本文件中。但是，我也不记录添加的每个跟踪消息的时间戳。可以为侦听器定义一种能自动添加时间戳的格式化程序？

I'm using TextWriterTraceListener to log diagnostics messages to a text file. However I wan't also to log a timestamp of every trace message added. Is it possible to define a kind of formatter for the listener that would automatically add timestamps?

目前，我在每个 Trace上手动添加时间戳。 WriteLine（）调用，但这不是很舒服。

Currently I'm adding timestamps manually on every Trace.WriteLine() call but this isn't very comfortable.

推荐答案

我建议你使用，它具有更多的可定制性。

I suggest you use Log4Net instead, which has a lot more customizability.

或者，您可以编写自己的 TraceListener 实现，将时间戳放在您的身上。您可以甚至可以从 TextWriterTraceListener 中导出，并覆盖写入和 WriteLine ：

Alternatively you could write your own TraceListener implementation which put the timestamps on for you. You may even be able just derive from TextWriterTraceListener and override Write and WriteLine:

public override void Write(string x)
{
     // Use whatever format you want here...
     base.Write(string.Format("{0:r}: {1}", DateTime.UtcNow, x));
}

public override void WriteLine(string x)
{
     // Use whatever format you want here...
     base.WriteLine(string.Format("{0:r}: {1}", DateTime.UtcNow, x));
}

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