添加到文本文件而不删除 [英] Adding to text file without deleting

问题描述

我需要将 4 个可变数字添加到一行中，但使用当前代码它只是替换数字，从而使其毫无意义.

I need to add 4 variable numbers into a single line but using the current code it just replaces the numbers thus making it pointless.

using (StreamWriter writer = new StreamWriter("build.txt"))
{
    writer.Write(" " + layer + " " + x + " " + y + " " + block);
    Console.WriteLine("[" + layer + "," + x + "," + y + "," + block + "]");                   
}

所以我需要它来写...

so I needed it to write...

 l x y b l x y b l x y b l x y b ...

...但它并没有像那样奏效，而且互联网也不是特别有用，希望在这里可以提供帮助.

...but it did not work out like that, and the internet wasn't particularly helpful, hopefully here can help.

推荐答案

我会使用 File.AppendAllText, 个人... 这样你就可以直接指定你想写的文本，方法会打开文件，追加文本，然后关闭文件.

I would use File.AppendAllText, personally... That way you can just specify the text you want to write, and the method will open the file, append the text, and then close the file.

如果你真的想使用 writer，你可以使用 File.AppendText:

If you really want to use the writer though, you could use File.AppendText:

using (var writer = File.AppendText("build.txt"))
{
    writer.Write(...);
}

或者您可以使用 StreamWriter 构造函数和附加参数.不过，我绝对建议使用 File 中的方法 - 它们更易于阅读.

Or you can use the StreamWriter constructor with an append parameter. I'd definitely recommend using the methods in File though - they're much clearer to read.

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