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package copyfile;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import org.omg.CORBA.portable.InputStream;
public class copyfile {
public static void main(String[] args) {
// TODO Auto-generated method stub
copyfolder("e:/A","e:/B");//将A文件夹复制到B文件夹,B可以是不存在的文件夹
}
//复制文件夹
public static void copyfolder(String sourcefolderName,String destfolderName) {
File sourcefolder=new File(sourcefolderName);
if(!sourcefolder.exists()) {
System.out.println("原文件必须存在");
return ;
}
File destfolder=new File(destfolderName);
if(!destfolder.exists()) {
destfolder.mkdir();
}
File[] files=sourcefolder.listFiles();
for(File file:files) {
System.out.println(file.getName());
if(file.isDirectory()) {
copyfolder(sourcefolder+"/"+file.getName(),
destfolderName+"/"+file.getName());
}
if(file.isFile()) {
copyfile(sourcefolder+"/"+file.getName(),
destfolderName+"/"+file.getName());
}
}
}
public static void copyfile(String sourcefile,String destfile) {//复制文件
BufferedInputStream bis=null;
BufferedOutputStream bos=null;
try {
bis=new BufferedInputStream(new FileInputStream(new File(sourcefile)));
bos=new BufferedOutputStream(new FileOutputStream(new File(destfile)));
byte [] buf=new byte[1024];
int len=bis.read(buf);
while(len>0) {
bos.write(buf,0,len);
len=bis.read(buf);
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
finally {
try {
if(bis!=null)
bis.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
if(bos!=null)
bos.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}