C#文件与文件夹操作
(转自:http://www.csharpwin.com/csharpspace/6649r3960.shtml)
C#文件操作:C#追加文件
StreamWriter sw = File.AppendText(
Server.MapPath(".") + "\\myText.txt");
sw.WriteLine("追逐理想");
sw.WriteLine("kzlll");
sw.WriteLine(".NET笔记");
sw.Flush(); sw.Close();
C#文件操作:C#拷贝文件
string OrignFile, NewFile;
OrignFile = Server.MapPath(".") + "\\myText.txt";
NewFile = Server.MapPath(".") + "\\myTextCopy.txt";
File.Copy(OrignFile, NewFile, true);
C#文件操作:C#删除文件
![](http://www.csharpwin.com/Admin/fckeditor/editor/plugins/insertcode/images/None.gif)
![](http://www.csharpwin.com/Admin/fckeditor/editor/plugins/insertcode/images/None.gif)
C#文件操作:C#移动文件
string OrignFile, NewFile;
OrignFile = Server.MapPath(".") + "\\myText.txt";
NewFile = Server.MapPath(".") + "\\myTextCopy.txt";
File.Move(OrignFile, NewFile);
C#文件操作:C#创建目录
// 创建目录c:\sixAge DirectoryInfo d = Directory.CreateDirectory("c:\\sixAge");
// d1指向c:\sixAge\sixAge1
DirectoryInfo d1= d.CreateSubdirectory("sixAge1");
// d2指向c:\sixAge\sixAge1\sixAge1_1
DirectoryInfo d2= d1.CreateSubdirectory("sixAge1_1");
// 将当前目录设为c:\sixAge
Directory.SetCurrentDirectory("c:\\sixAge");
// 创建目录c:\sixAge\sixAge2
Directory.CreateDirectory("sixAge2");
// 创建目录c:\sixAge\sixAge2\sixAge2_1
Directory.CreateDirectory("sixAge2\\sixAge2_1");