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}
