import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Calendar;public classSendServer {private int num = 0;public voidprocess() {
Calendar calendar=Calendar.getInstance();
String dir= calendar.get(Calendar.YEAR) + “” + getTimeString(calendar.get(Calendar.MONTH) + “”);
String oldPath= “/img2” +dir;
String newPath= “/img5” +dir;try{
while(true){
System.out.println(“复制” + oldPath + “目录开始”);long t1 =System.currentTimeMillis();
num= 0;
copyFolder(oldPath, newPath);long t2 =System.currentTimeMillis();
System.out.println(“复制目录结束，用时：” + (t2-t1) + “ms,共复制：” + num + “文件”);
}
}catch(Exception ex) {
ex.printStackTrace();
}
}public voidcopyFolder(String oldPath, String newPath) {try{
File mFile= newFile(newPath);if(!mFile .exists()){
(new File(newPath)).mkdirs(); //如果文件夹不存在 则建立新文件夹
}
File a= newFile(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()) {
String fileName= newPath + “/” +(temp.getName()).toString();
File testFile= newFile(fileName);if (!testFile.exists()) {
FileInputStream input= newFileInputStream(temp);
FileOutputStream output= newFileOutputStream(fileName);byte[] b = new byte[1024 * 5];intlen;while ((len = input.read(b)) != -1) {
output.write(b,0, len);
}
output.flush();
output.close();
input.close();
num++;
}
}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();
}
}privateString getTimeString(String time){if(time.length()<2){return “0” +time;
}else{returntime;
}
}
}
