C# · 12月 26, 2021

c# – streamWriter重写文件或附加到文件

我在用这个 for($number=0; $number < 5; $number++){StreamWriter x = new StreamWriter(“C:\\test.txt”); x.WriteLine(number); x.Close();}


1: how can I make it overwrite the file2: how can I append to the same file


解决方法 尝试FileMode枚举器: 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