1 import java.io.File; 2 import java.io.FileInputStream; 3 import java.io.FileOutputStream; 4 import java.io.InputStream; 5 import java.io.OutputStream; 6 7 public class CopyFile { 8 9 /** 10 * @param args 11 */ 12 private static final String fileType=".avi";//文件后缀名 13 public static void main(String[] args) { 14 15 String sourePath="F:\学习文档\Java\传智播客\JDBC\";//源路径 16 String destPath="F:\学习文档\Java\传智播客\JDBC\";//目的地 17 File rootFile=new File(sourePath); 18 showFiles(rootFile,destPath); 19 } 20 /**循环输出文件名 21 * @param file 22 * @param newPath 23 */ 24 static void showFiles(File rootFile,String newPath) { 25 File[] files= rootFile.listFiles(); 26 for (File file : files) { 27 28 if (file.isDirectory()) { 29 showFiles(file,newPath); 30 } 31 if (file.getName().endsWith(fileType)) { 32 copyFiles(file.getAbsolutePath(),newPath+file.getName()); 33 //System.out.println(file.getAbsolutePath()); 34 System.out.println(newPath+file.getName()); 35 } 36 } 37 } 38 /**文件拷贝 39 * @param oldPath 40 * @param newPath 41 */ 42 static void copyFiles(String oldPath,String newPath) 43 { 44 try { 45 int bytesum=0; 46 int byteread=0; 47 File oldFile =new File(oldPath); 48 if (oldFile.exists()) { 49 InputStream inputStream=new FileInputStream(oldPath);//获取输入流 50 OutputStream outputStream=new FileOutputStream(newPath);//获取输出流 51 byte[] buffer=new byte[1444]; 52 53 while ((byteread=inputStream.read(buffer))!=-1) { 54 bytesum+=byteread; 55 outputStream.write(buffer, 0, byteread); 56 } 57 outputStream.close(); 58 inputStream.close(); 59 60 }}catch (Exception e) { 61 System.out.println("文件出错"); 62 e.printStackTrace(); 63 } 64 65 } 66 }