import java.io.File\x0d\x0aimport java.io.FileInputStream\x0d\x0aimport java.io.FileNotFoundException\x0d\x0aimport java.io.FileOutputStream\x0d\x0aimport java.io.IOException\x0d\x0apublic class Copy {\x0d\x0a/**\x0d\x0a* @param args\x0d\x0a*/\x0d\x0apublic static void main(String[] args) {\x0d\x0a// TODO Auto-generated method stub\x0d\x0aif(args.length!=2){\x0d\x0aSystem.out.print("没有输入正确数目的参数，程序退出！")\x0d\x0aSystem.exit(0)\x0d\x0a}\x0d\x0aFile fileS = new File("./"+args[0])\x0d\x0aFile fileD = new File("./"+args[1])\x0d\x0aif(fileD.exists())System.out.println("目标
文件 "+args[1]+" 已存在！")\x0d\x0abyte[] temp = new byte[50]\x0d\x0aint totalSize = 0\x0d\x0atry {\x0d\x0aFileInputStream fr = new FileInputStream(fileS)\x0d\x0aFileOutputStream fo = new FileOutputStream(fileD)\x0d\x0aint length = 0\x0d\x0awhile((length = fr.read(temp, 0, temp.length)) != -1){\x0d\x0atotalSize += length\x0d\x0afo.write(temp, 0, length)\x0d\x0a}\x0d\x0aSystem.out.println("文件 "+args[0]+" 有 "+totalSize+" 个字节")\x0d\x0aSystem.out.println("复制完成！")\x0d\x0a} catch (FileNotFoundException e) {\x0d\x0a// TODO Auto-generated catch block\x0d\x0ae.printStackTrace()\x0d\x0aSystem.out.println("源文件 "+args[0]+" 不存在！")\x0d\x0a} catch (IOException e) {\x0d\x0a// TODO Auto-generated catch block\x0d\x0ae.printStackTrace()\x0d\x0a}\x0d\x0a}\x0d\x0a}import java.io.File\x0d\x0aimport java.io.FileInputStream\x0d\x0aimport java.io.FileNotFoundException\x0d\x0aimport java.io.FileOutputStream\x0d\x0aimport java.io.IOException\x0d\x0a\x0d\x0apublic class CopyMove {\x0d\x0a\x0d\x0a /**\x0d\x0a * @param args\x0d\x0a */\x0d\x0a public static void main(String[] args) {\x0d\x0a // TODO Auto-generated method stub\x0d\x0a CopyMove cm = new CopyMove()\x0d\x0a cm.copy("h:\\1.txt", "c:\\2.txt")\x0d\x0a cm.move("h:\\3.txt", "h:\\r\\e\\4.txt")\x0d\x0a }\x0d\x0a //文件复制前必须得到当前
文件夹名字且要有\\x0d\x0a //当复制深层次
路径时要用mkdirs方法\x0d\x0a public void copy(String path1,String path2){\x0d\x0a try {\x0d\x0a FileInputStream fis = new FileInputStream(path1)\x0d\x0a int l = fis.available()\x0d\x0a byte[] c = new byte[l]\x0d\x0a fis.read(c)\x0d\x0a fis.close()\x0d\x0a int i = path2.lastIndexOf("\\")+1\x0d\x0a System.out.println(i)\x0d\x0a String path = path2.substring(0, i)\x0d\x0a System.out.println(path)\x0d\x0a File f = new File(path)\x0d\x0a f.mkdirs()\x0d\x0a// System.out.println(f.getAbsolutePath())\x0d\x0a// System.out.println(f.isDirectory())\x0d\x0a FileOutputStream fos = new FileOutputStream(path2)\x0d\x0a fos.write(c)\x0d\x0a fos.close()\x0d\x0a System.out.println("文件复制成功")\x0d\x0a } catch (FileNotFoundException e) {\x0d\x0a // TODO Auto-generated catch block\x0d\x0a System.out.println("文件复制失败")\x0d\x0a } catch (IOException e) {\x0d\x0a // TODO Auto-generated catch block\x0d\x0a e.printStackTrace()\x0d\x0a }\x0d\x0a }\x0d\x0a \x0d\x0a public void move(String path1,String path2){\x0d\x0a try {\x0d\x0a FileInputStream fis = new FileInputStream(path1)\x0d\x0a int l = fis.available()\x0d\x0a byte[] c = new byte[l]\x0d\x0a fis.read(c)\x0d\x0a fis.close()\x0d\x0a int i = path2.lastIndexOf("\\")\x0d\x0a //System.out.println(i)\x0d\x0a String path = path2.substring(0, i)\x0d\x0a System.out.println(path)\x0d\x0a File f = new File(path)\x0d\x0a f.mkdirs()\x0d\x0a// System.out.println(f.getAbsolutePath())\x0d\x0a// System.out.println(f.isDirectory())\x0d\x0a FileOutputStream fos = new FileOutputStream(path2)\x0d\x0a fos.write(c)\x0d\x0a fos.close()\x0d\x0a System.out.println("文件移动成功")\x0d\x0a File f2 = new File(path1)\x0d\x0a f2.delete()\x0d\x0a } catch (FileNotFoundException e) {\x0d\x0a // TODO Auto-generated catch block\x0d\x0a System.out.println("文件移动失败")\x0d\x0a } catch (IOException e) {\x0d\x0a // TODO Auto-generated catch block\x0d\x0a e.printStackTrace()\x0d\x0a }\x0d\x0a }\x0d\x0a\x0d\x0a}/**
*
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()
}
}
