文件管理系统

た入场券 2022-09-19 14:28 196阅读 0赞

**文件管理系统**

**整理：Ackarlix**

运用java.io包下的API进行windows下的文件管理，包括文件及文件夹删除、文件及文件夹属性察看、文件及文件夹拷贝、文件及文件夹创建。

小地快做完了，可是在copyFile的时候总是出错，请大家看看小第的代码，多提意见，谢啦

qq:305821203 mail:xiaohai\_34@163.com

import java.io.\*;

import java.util.ArrayList;

class FileSystem\{

public static void main(String\[\] args) throws IOException\{

System.out.println("\*\*\*\*\*\*\*\*\*\*\*\*1.Look File Data \*\*\*\*\*\*\*\*\*\*\*");

System.out.println("\*\*\*\*\*\*\*\*\*\*\*\*2.Create File \*\*\*\*\*\*\*\*\*\*\*");

System.out.println("\*\*\*\*\*\*\*\*\*\*\*\*3.Delete File \*\*\*\*\*\*\*\*\*\*\*");

System.out.println("\*\*\*\*\*\*\*\*\*\*\*\*4.Copy file \*\*\*\*\*\*\*\*\*\*\*");

System.out.print("Please give me number:");

BufferedReader miannum=new BufferedReader(new InputStreamReader(System.in));

switch(miannum.readLine().charAt(0))\{

case '1':

new LookFile();break;

case '2':

new CreateFile();break;

case '3':

new DelFile();break;

case '4':

new CopyFile();break;

default:System.out.println("Err Menu Number");

class CreateFile\{

private String filename;

private String filepath;

CreateFile() throws IOException\{

System.out.print("Please give me a File Path:");

BufferedReader NFpath=new BufferedReader(new InputStreamReader(System.in));

filepath=NFpath.readLine();

System.out.print("Please give me a new File Name:");

BufferedReader NFname=new BufferedReader(new InputStreamReader(System.in));

filename=NFname.readLine();

if(!CheckFileExist(filepath,filename))

System.out.println("See You!!");

else

Create(filepath,filename,CheckFile(filename));

private void Create(String filepath,String filename,String type) throws IOException\{

boolean b=false;

File f=new File(filepath+filename);

if (type.equals("file"))\{

b=f.createNewFile();

else if(type.equals("folder"))\{

b=f.mkdir();

if(b)

System.out.println("Create file successful!");

else

System.out.println("Create file Error!");

private boolean CheckFileExist(String name,String path)\{

File f=new File(name+path);

if (f.exists())\{

System.out.println("File Name already exist,please delete first");

return false;

else\{

return true;

private String CheckFile(String filename)\{

if (filename.indexOf(".")==-1)\{

return "folder";

\}else\{

return "file";

class LookFile\{

private String filepath;

LookFile() throws IOException\{

String type;

System.out.print("Please give me a File Path or File Name:");

BufferedReader NFname=new BufferedReader(new InputStreamReader(System.in));

filepath=NFname.readLine();

if ((type=CheckFile(filepath)).equals("false"))\{

System.out.println("FilePath or FileName is not exists");

\}else

Look(filepath,type);

private void Look(String filepath,String type)\{

File\[\] f=\{null\};

if (type.equals("file"))\{

f\[0\]=new File(filepath);

\}else if(type.equals("folder"))\{

f=new File(filepath).listFiles();

PrinFileData(f);

private void PrinFileData(File\[\] f)\{

String type="";

System.out.println("File Name/t/t/t"+"Type/t");

for(int i=0;i<f.length;i++)\{

if(f\[i\].isFile())\{

type="This is File";

\}else if(f\[i\].isDirectory())\{

type="This is Folder";

System.out.println(f\[i\].getName()+"/t/t/t"+type+"/t");

private String CheckFile(String filename)\{

File f=new File(filename);

if(!(f).exists())\{

return "false";

\}else if(filename.indexOf(".")==-1)

return "folder";

else

return "file";

class DelFile\{

private String type;

private String filename;

DelFile() throws IOException\{

System.out.print("Please give me a FileName or FolderName:");

BufferedReader NFname=new BufferedReader(new InputStreamReader(System.in));

filename=NFname.readLine();

if ((type=CheckFile(filename)).equals("false"))\{

System.out.println("FilePath or FileName is not exists");

\}else

Delete(filename,type);

ArrayList allfilename=new ArrayList();

private void Delete(String filename,String type)throws IOException\{

File FN=new File(filename);

if(FN.isFile())\{

allfilename.add(FN);

return;

if(FN.isDirectory())\{

File\[\] tem=FN.listFiles();

GetFolderFileName(tem);

allfilename.add(new File(filename));

Object\[\] allfile=allfilename.toArray();

for(int i=0;i<allfile.length;i++)\{

((File)allfile\[i\]).delete();

private void GetFolderFileName(File\[\] foldername)\{

for(int i=0;i<foldername.length;i++)\{

if(foldername\[i\].isDirectory())\{

this.GetFolderFileName(foldername\[i\].listFiles());

allfilename.add(foldername\[i\]);

private String CheckFile(String filename)\{

File f=new File(filename);

if(!f.exists())\{

return "false";

\}else if((f.isDirectory()==true)&&((f.listFiles()).length>0))\{

return "folder and have file";

\}else if((f.isDirectory()==true)&&((f.listFiles()).length==0))\{

return "folder and no file";

\}else\{

return "file";

class CopyFile\{

private String basefile;

private String newfilepath;

private String newfilename;

private String type;

CopyFile()throws IOException\{

System.out.print("Please give me a Base File name and path:");

BufferedReader basepath=new BufferedReader(new InputStreamReader(System.in));

basefile=basepath.readLine();

System.out.print("Please give me a new File Parent path:");

BufferedReader topath=new BufferedReader(new InputStreamReader(System.in));

newfilepath=topath.readLine();

System.out.print("Please give me a new File name:");

BufferedReader toname=new BufferedReader(new InputStreamReader(System.in));

newfilename=toname.readLine();

type=CheckFile(basefile,newfilepath,newfilename);

if(type.equals("false"))\{

System.out.println("System Exit Bye-Bye");

\}else\{

Copy(basefile,newfilepath,newfilename,type);

private void Copy(String bf,String nfp,String nfn,String type)throws IOException\{

if(type.equals("file"))\{

CopytoFile(bf,nfp,nfn);

if(type.equals("folder"))\{

CopytoFolder(bf,nfp,nfn);

private void CopytoFolder(String bf,String nfp,String nfn)throws IOException\{

File basefilefolder=new File(bf);

File newfilefolder=new File(nfp);

CreateDirectory(basefilefolder,newfilefolder,nfn);

CreateAndCopyFile(basefilefolder,new File(nfp+"//"+nfn));

File\[\] baseallfile=null;

File\[\] newallfile=null;

private void CreateAndCopyFile(File bf,File nfp)throws IOException\{

this.baseallfile=bf.listFiles();

this.newallfile=nfp.listFiles();

for(int i=0;i<baseallfile.length;i++)\{

if(baseallfile\[i\].isDirectory())\{

CreateAndCopyFile(baseallfile\[i\],newallfile\[i\]);

\}else if(baseallfile\[i\].isFile())\{

CopytoFile(baseallfile\[i\].toString(),newallfile\[i\].getParent(),newallfile\[i\].getName());

private void CreateDirectory(File bf,File nfp,String nfn)\{

File\[\] alldirectory=bf.listFiles();

File newfilefolder2=new File(nfp+"//"+nfn);

newfilefolder2.mkdir();

for(int i=0;i<alldirectory.length;i++)\{

if(alldirectory\[i\].isDirectory())\{

CreateDirectory(alldirectory\[i\],newfilefolder2,alldirectory\[i\].getName());

private void CopytoFile(String bf,String nfp,String nfn)throws IOException\{

String tem;

String str="";

BufferedReader in=new BufferedReader(new FileReader(bf));

PrintWriter out=new PrintWriter(new BufferedWriter(new FileWriter(nfp+"//"+nfn)));

while((tem=in.readLine())!=null)\{

str+=tem+"/n";

in=new BufferedReader(new StringReader(str));

while((tem=in.readLine())!=null)\{

out.println(tem);

in.close();

out.close();

private String CheckFile(String bf,String nfp,String nfn)\{

File basefile=new File(bf);

File newfilepath=new File(nfp);

File newfilename=new File(nfn);

if((!basefile.exists())||(!newfilepath.exists()))\{

System.out.println("BaseFile or ToFile is not exists!");

return "false";

\}else if(!newfilepath.isDirectory())\{

System.out.println("New Parent File is not exists!");

return "false";

\}else if(basefile.isFile())\{

return "file";

\}else if(basefile.isDirectory())\{

return "folder";

\}else\{

System.out.println("Unknown Wrong!");

return "false";

文件管理系统

发表评论取消回复

还没有评论，来说两句吧...

相关阅读

相关 php管理文件系统,PHP文件系统管理详解

相关磁盘管理及文件系统管理

相关文件管理系统

相关 690-文件管理和文件系统

相关 EXT3系统文件(系统管理)

相关权限完善、目视化清晰、简单实用文件管理系统，超实用文件管理系统，简单文件管理系统，文件管理平台，文件权限管理

相关 Linux 文件系统管理

相关 linux系统的文件系统管理

相关高级文件系统管理

相关 IO文件管理系统