streamWriter 重写文件或附加到文件 [英] streamWriter rewrite the file or append to the file

问题描述

我正在使用这个

for($number=0; $number < 5; $number++){
StreamWriter x = new StreamWriter("C:\test.txt");
                x.WriteLine(number);
                x.Close();

}

如果 test.text 中有内容，此代码不会覆盖它.我有两个问题

if something is in test.text, this code will not overwrite it. I have 2 questions

1: how can I make it overwrite the file
2: how can I append to the same file

使用 C#

推荐答案

试试 FileMode 枚举器:

Try the FileMode enumerator:

        FileStream fappend = File.Open("C:\test.txt", FileMode.Append); // will append to end of file

        FileStream fcreate = File.Open("C:\test.txt", FileMode.Create); // will create the file or overwrite it if it already exists

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