C # typical File Operations

Record-learning C # documents are mostly reprinted for future reference.

C # typical File Operations
C # append an object
StreamWriter sw = File. AppendText (Server. MapPath (".") + "\ myText.txt ");
Sw. WriteLine ("Chasing ideals ");
Sw. WriteLine ("kzlll ");
Sw. WriteLine (". NET notes ");
Sw. Flush ();
Sw. Close ();

C # copy an object
String OrignFile, NewFile;
OrignFile = Server. MapPath (".") + "\ myText.txt ";
NewFile = Server. MapPath (".") + "\ myTextCopy.txt ";
File. Copy (OrignFile, NewFile, true );

C # delete an object
String delFile = Server. MapPath (".") + "\ myTextCopy.txt ";
File. Delete (delFile );

C # Move files
String OrignFile, NewFile;
OrignFile = Server. MapPath (".") + "\ myText.txt ";
NewFile = Server. MapPath (".") + "\ myTextCopy.txt ";
File. Move (OrignFile, NewFile );

C # create a directory
// Create the directory c: sixAge
DirectoryInfo d = Directory. CreateDirectory ("c: \ sixAge ");
// D1 points to c: sixAgesixAge1
DirectoryInfo d1 = d. CreateSubdirectory ("sixAge1 ");
// D2 points to c: sixAgesixAge1sixAge1_1
DirectoryInfo d2 = d1.CreateSubdirectory ("sixAge1_1 ");
// Set the current directory to c: sixAge
Directory. SetCurrentDirectory ("c: \ sixAge ");
// Create the directory c: sixAgesixAge2
Directory. CreateDirectory ("sixAge2 ");
// Create the directory c: sixAgesixAge2sixAge2_1
Directory. CreateDirectory ("sixAge2 \ sixAge2_1 ");

Recursively delete folders and files
<% @ Page Language = C # %>
<% @ Import namespace = "System. IO" %>
<Script runat = server>