package com;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.InputStream;
import java.io.PrintWriter;


public class CopyFile
{

public CopyFile()
{
}

/** *//**
* 新建目录
* @param folderPath String 如 c:/fqf
* @return boolean
*/

public void newFolder(String folderPath)
{

try
{
String filePath = folderPath;
filePath = filePath.toString();
java.io.File myFilePath = new java.io.File(filePath);

if (!myFilePath.exists())
{
myFilePath.mkdir();
}
}

catch (Exception e)
{
System.out.println("新建目录操作出错");
e.printStackTrace();
}
}

/** *//**
* 新建文件
* @param filePathAndName String 文件路径及名称 如c:/fqf.txt
* @param fileContent String 文件内容
* @return boolean
*/

public void newFile(String filePathAndName, String fileContent)
{

try
{
String filePath = filePathAndName;
filePath = filePath.toString();
File myFilePath = new File(filePath);

if (!myFilePath.exists())
{
myFilePath.createNewFile();
}
FileWriter resultFile = new FileWriter(myFilePath);
PrintWriter myFile = new PrintWriter(resultFile);
String strContent = fileContent;
myFile.println(strContent);
resultFile.close();
}

catch (Exception e)
{
System.out.println("新建文件操作出错");
e.printStackTrace();
}
}

/** *//**
* 删除文件
* @param filePathAndName String 文件路径及名称 如c:/fqf.txt
* @param fileContent String
* @return boolean
*/

public void delFile(String filePathAndName)
{

try
{
String filePath = filePathAndName;
filePath = filePath.toString();
java.io.File myDelFile = new java.io.File(filePath);
myDelFile.delete();
}

catch (Exception e)
{
System.out.println("删除文件操作出错");
e.printStackTrace();
}
}

/** *//**
* 删除文件夹
* @param filePathAndName String 文件夹路径及名称 如c:/fqf
* @param fileContent String
* @return boolean
*/

public void delFolder(String folderPath)
{

try
{
delAllFile(folderPath); //删除完里面所有内容
String filePath = folderPath;
filePath = filePath.toString();
java.io.File myFilePath = new java.io.File(filePath);
myFilePath.delete(); //删除空文件夹
}

catch (Exception e)
{
System.out.println("删除文件夹操作出错");
e.printStackTrace();
}
}

/** *//**
* 删除文件夹里面的所有文件
* @param path String 文件夹路径 如 c:/fqf
*/

public void delAllFile(String path)
{
File file = new File(path);

if (!file.exists())
{
return;
}

if (!file.isDirectory())
{
return;
}
String[] tempList = file.list();
File temp = null;

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

if (path.endsWith(File.separator))
{
temp = new File(path + tempList[i]);
}

else
{
temp = new File(path + File.separator + tempList[i]);
}

if (temp.isFile())
{
temp.delete();
}

if (temp.isDirectory())
{
delAllFile(path+"/"+ tempList[i]);//先删除文件夹里面的文件
delFolder(path+"/"+ tempList[i]);//再删除空文件夹
}
}
}

/** *//**
* 复制单个文件
* @param oldPath String 原文件路径 如:c:/fqf.txt
* @param newPath String 复制后路径 如:f:/fqf.txt
* @return boolean
*/

public void copyFile(String oldPath, String newPath)
{

try
{
int bytesum = 0;
int byteread = 0;
File oldfile = new File(oldPath);

if (oldfile.exists())
{ //文件存在时
InputStream inStream = new FileInputStream(oldPath); //读入原文件
FileOutputStream fs = new FileOutputStream(newPath);
byte[] buffer = new byte[1444];
int length;

while ( (byteread = inStream.read(buffer)) != -1)
{
bytesum += byteread; //字节数 文件大小
System.out.println(bytesum);
fs.write(buffer, 0, byteread);
}
inStream.close();
}
}

catch (Exception e)
{
System.out.println("复制单个文件操作出错");
e.printStackTrace();
}
}

/** *//**
* 复制整个文件夹内容
* @param oldPath String 原文件路径 如:c:/fqf
* @param newPath String 复制后路径 如:f:/fqf/ff
* @return boolean
*/

public void copyFolder(String oldPath, String newPath)
{

try
{
(new File(newPath)).mkdirs(); //如果文件夹不存在 则建立新文件夹
File a=new File(oldPath);
String[] file=a.list();
File temp=null;

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

if(oldPath.endsWith(File.separator))
{
temp=new File(oldPath+file[i]);
}

else
{
temp=new File(oldPath+File.separator+file[i]);
}

if(temp.isFile())
{
FileInputStream input = new FileInputStream(temp);
FileOutputStream output = new FileOutputStream(newPath + "/" +
(temp.getName()).toString());
byte[] b = new byte[1024 * 5];
int len;

while ( (len = input.read(b)) != -1)
{
output.write(b, 0, len);
}
output.flush();
output.close();
input.close();
}

if(temp.isDirectory())
{//如果是子文件夹
copyFolder(oldPath+"/"+file[i],newPath+"/"+file[i]);
}
}
}

catch (Exception e)
{
System.out.println("复制整个文件夹内容操作出错");
e.printStackTrace();
}
}

/** *//**
* 移动文件到指定目录
* @param oldPath String 如:c:/fqf.txt
* @param newPath String 如:d:/fqf.txt
*/

public void moveFile(String oldPath, String newPath)
{
copyFile(oldPath, newPath);
delFile(oldPath);
}

/** *//**
* 移动文件到指定目录
* @param oldPath String 如:c:/fqf.txt
* @param newPath String 如:d:/fqf.txt
*/

public void moveFolder(String oldPath, String newPath)
{
copyFolder(oldPath, newPath);
delFolder(oldPath);
}

public static void main(String[] args)
{
CopyFile file = new CopyFile();
// file.newFolder("newFolder22222");
file.newFile("test.txt","fdsfdsfdsfs");
}
// 拷贝文件

private void copyFile2(String source, String dest)
{

try
{
File in = new File(source);
File out = new File(dest);
FileInputStream inFile = new FileInputStream(in);
FileOutputStream outFile = new FileOutputStream(out);
byte[] buffer = new byte[1024];
int i = 0;

while ((i = inFile.read(buffer)) != -1)
{
outFile.write(buffer, 0, i);
}//end while
inFile.close();
outFile.close();
}//end try

catch (Exception e)
{

}//end catch
}//end copyFile

}
posted @
2009-11-11 17:08
弹着钢琴设计
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