文件重命名与复制 .
public static void setFile(){/*for (int i = 1; i < 11; i++) {String url="D://picture//"+i+"//";int end=20*i;int start=end-20;for (int j = 1; j <=20; j++) {File file=new File(url+j+".jpg");file.renameTo(new File(url+(j+start)+".jpg"));File file1=new File(url+j+"_diff.jpg");file1.renameTo(new File(url+(j+start)+"_diff.jpg"));File file2=new File(url+j+".xml");file2.renameTo(new File(url+(j+start)+".xml"));}System.out.println("完成第"+i+"个文件的重命名");}System.out.println("全部完成");*/String url="D://151";for (int i = 6; i < 11; i++) {//文件夹int end=20*i;int start=end-20;for (int j = 1; j <=20; j++) {//文件//File file0=new File(url+j+".jpg");//File file1=new File(url+j+"_diff.jpg");//File file2=new File(url+j+".xml");//File file=new File(url+"//"+i+"//"+(j+start)+".jpg");//File file=new File(url+"//"+i+"//"+(j+start)+"_diff.jpg");File file=new File(url+"//"+i+"//"+(j+start)+".xml");File file2=new File(url,file.getName());try {FileInputStream fileInputStream=new FileInputStream(file);FileOutputStream fileOutputStream=new FileOutputStream(file2);byte []buffer=new byte[2048]; int bytes_read;try {while((bytes_read=fileInputStream.read(buffer))!=-1){fileOutputStream.write(buffer,0,bytes_read);}} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}finally{try {fileInputStream.close();fileOutputStream.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}} catch (FileNotFoundException e) {e.printStackTrace();}}System.out.println("完成"+i);}}