Javafile Basic Operation

/*** Create a file, directory or multilevel directory *@paramPath *@throwsIOException *@see[Class, Class # method, Class # member]*/       Public Static voidCreateFile (String Path)throwsIOException {if(Path = =NULL){              return ; } File File=NewFile (path); if(Path = =NULL){              return ; } File F=NewFile (path); File fileparent=F.getparentfile (); if(!fileparent.exists ())           {Fileparent.mkdirs (); }          if(!f.exists ())          {F.createnewfile (); }  //if (!file.exists ()) {//File.createnewfile (); //      /*//Create a directory in which the parent directory in the path must exist (D://test)//if (!file.isdirectory ()) {//File.mkdir (); //      }  //      //create a multilevel directory whose path to the parent directory may not exist (D://Test//Test//test)//if (!file.isdirectory ()) {//File.mkdirs (); //      }*/  //      //allow all people to use only readable//file.setreadable (TRUE); //      //only allow all people to use writable//file.setwritable (TRUE); //     /* //allow only file owners to use writable//file.setwritable (True, true); //      //allow only the file owner to use a readable//file.setreadable (True, true); *///  }      }            /*** View basic information for this file *@paramPath *@throwsIOException *@see[Class, Class # method, Class # member]*/       Public Static voidGetFileInfo (String Path)throwsIOException {File file=NewFile (path); //path to the fileString FilePath =File.getpath (); //the name of the fileString FileName =File.getname (); //File Parent PathString Fileparentname =file.getparent (); //absolute path to fileString Fileabsolutepath =File.getabsolutepath (); //absolute path to fileString Filecanonicalpath =File.getcanonicalpath (); //the file object of the parent directoryFile Fileparentfile =File.getparentfile (); //the file object of the parent directoryFile Fileabsolutefile =File.getabsolutefile (); //the file object of the parent directoryFile Filecanonicalfile =File.getcanonicalfile (); //available space for files        LongFilefreespace =File.getfreespace (); //total space for the file        LongFiletotalspace =File.gettotalspace (); //unused space for the file        LongFileusablespace =File.getusablespace (); System.out.println ("FilePath:" +FilePath); System.out.println ("FileName:" +fileName); System.out.println ("Fileparentname:" +fileparentname); System.out.println ("Fileabsolutepath:" +Fileabsolutepath); System.out.println ("Filecanonicalpath:" +Filecanonicalpath); System.out.println ("Fileparentfile:" +fileparentfile); System.out.println ("Fileabsolutefile:" +fileabsolutefile); System.out.println ("Filecanonicalfile:" +filecanonicalfile); System.out.println ("Filefreespace:" +filefreespace); System.out.println ("Filetotalspace:" +filetotalspace); System.out.println ("Fileusablespace:" +fileusablespace); /*result set: Filepath:d:\powerd\core.chm fileName:core.chm Fileparentname:d:\po Werd Fileabsolutepath:d:\powerd\core.chm Filecanonicalpath:d:\powerd\core.chm Fileparentfile:d:\po Werd Fileabsolutefile:d:\powerd\core.chm Filecanonicalfile:d:\powerd\core.chm fileFreeSpace:957297 90976 filetotalspace:158986403840 fileusablespace:95729790976*/        }            /*** Delete folder (delete files under file in, delete directory) *@paramargs *@see[Class, Class # method, Class # member]*/       Public Static voidDeleteFile (String path) {File file=NewFile (path); if(File.exists ()) {if(File.isfile ()) {System.out.println (File.getname () )+ "Whether the file is hidden:" +File.ishidden ());                 File.delete (); /*//Where the file path is checked for legality. Returns False when it is not valid. Legal, delete file, return True File.deleteonexit ();*/              }Else if(File.isdirectory ()) {file[] files=File.listfiles ();  for(File f:files) {DeleteFile (F.getabsolutepath ());      }}} file.delete (); }            /*** Rename *@paramOldPath *@paramNewPath *@see[Class, Class # method, Class # member]*/       Public Static voidrename (String oldpath,string newpath) {File oldFile=NewFile (OldPath); File NewFile=NewFile (NewPath); if(Oldfile.exists () &&!newfile.exists ()) {              if(!newfile.exists ()) {                    NewFile (Newfile.getparent ()). Mkdirs ();          } oldfile.renameto (NewFile); }      }            /*** Copy files *@paramOldPath *@paramNewPath *@throwsIOException *@see[Class, Class # method, Class # member]*/       Public Static voidCopyflie (String oldpath,string NewPath)throwsIOException {File oldFile=NewFile (OldPath); NewPath+="\\"+Oldfile.getname (); File NewFile=NewFile (NewPath); if(!newfile.exists ())            {Newfile.mkdirs ();            } System.out.println (NewFile); file[] File=Oldfile.listfiles ();  for(File f:file) {if(F.isfile ()) {String path2=newpath+ "\ \" +F.getname ();                CreateFile (path2); }Else if(F.isdirectory ()) {String s=F.getpath ();                Copyflie (S,newpath); }            }        }            /*** Do you have permission to file *@paramPath *@see[Class, Class # method, Class # member]*/       Public Static voidIsautho (String path) {File F=NewFile (path); if(!F.canexecute ()) {f.setexecutable (true); }          if(!F.canread ()) {f.setreadable (true); }          if(!F.canwrite ()) {f.setwritable (true); }     /*** Rename to remove suffix at end of file name *@paramOldPath *@paramNewPath *@see[Class, Class # method, Class # member]*/       Public Static voidrenamedir (String path,string suffix) {file file=NewFile (path); if(File.exists ()) {if(File.isfile ()) {if(File.getname (). EndsWith (suffix)) {String paths=File.getabsolutepath (); String Repath=paths.substring (0, Paths.length ()-suffix.length ());                  Rename (Paths,repath); }              }Else if(File.isdirectory ()) {file[] files=File.listfiles ();  for(File f:files) {Renamedir (F.getabsolutepath (), suffix); }              }          }     }  

Javafile Basic Operation