Java代ç å¤å¶æ件夹æ¶ï¼åéè¦å©ç¨Flieç±»å¨ç®æ æ件夹ä¸å建ç¸åºçç®å½ï¼å¹¶ä¸ä½¿ç¨éå½æ¹æ³ï¼ä»£ç å¦ä¸ï¼
import java.io.*;
/**
* å¤å¶æ件夹ææ件夹
*/
public class CopyDirectory {
// æºæ件夹
static String url1 = "F:/photos";
// ç®æ æ件夹
static String url2 = "D:/tempPhotos";
public static void main(String args[]) throws IOException {
// å建ç®æ æ件夹
(new File(url2)).mkdirs();
// è·åæºæ件夹å½åä¸çæ件æç®å½
File[] file = (new File(url1)).listFiles();
for (int i = 0; i < file.length; i++) {
if (file[i].isFile()) {
// å¤å¶æ件
copyFile(file[i],new File(url2+file[i].getName()));
}
if (file[i].isDirectory()) {
// å¤å¶ç®å½
String sourceDir=url1+File.separator+file[i].getName();
String targetDir=url2+File.separator+file[i].getName();
copyDirectiory(sourceDir, targetDir);
}
}
}
// å¤å¶æ件
public static void copyFile(File sourceFile,File targetFile)
throws IOException{
// æ°å»ºæ件è¾å
¥æµå¹¶å¯¹å®è¿è¡ç¼å²
FileInputStream input = new FileInputStream(sourceFile);
BufferedInputStream inBuff=new BufferedInputStream(input);
// æ°å»ºæ件è¾åºæµå¹¶å¯¹å®è¿è¡ç¼å²
FileOutputStream output = new FileOutputStream(targetFile);
BufferedOutputStream outBuff=new BufferedOutputStream(output);
// ç¼å²æ°ç»
byte[] b = new byte[1024 * 5];
int len;
while ((len =inBuff.read(b)) != -1) {
outBuff.write(b, 0, len);
}
// å·æ°æ¤ç¼å²çè¾åºæµ
outBuff.flush();
//å
³éæµ
inBuff.close();
outBuff.close();
output.close();
input.close();
}
// å¤å¶æ件夹
public static void copyDirectiory(String sourceDir, String targetDir)
throws IOException {
// æ°å»ºç®æ ç®å½
(new File(targetDir)).mkdirs();
// è·åæºæ件夹å½åä¸çæ件æç®å½
File[] file = (new File(sourceDir)).listFiles();
for (int i = 0; i < file.length; i++) {
if (file[i].isFile()) {
// æºæ件
File sourceFile=file[i];
// ç®æ æ件
File targetFile=new File(new File(targetDir).getAbsolutePath()+File.separator+file[i].getName());
copyFile(sourceFile,targetFile);
}
if (file[i].isDirectory()) {
// åå¤å¤å¶çæºæ件夹
String dir1=sourceDir + "/" + file[i].getName();
// åå¤å¤å¶çç®æ æ件夹
String dir2=targetDir + "/"+ file[i].getName();
copyDirectiory(dir1, dir2);
}
}
}
}