package FileCopy;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.LinkedList;
import java.util.Queue;
public class CopyFileV2 {
public static void main(String agrs[]){
String srcFileName = "F:" + File.separator + "ppt";
String destFilePath = "D:" + File.separator + "copyFileExam";
// copy(srcFileName, destFilePath);
rNoCopy(srcFileName, destFilePath);
System.out.println("拷贝完成!!!");
}
private static void rNoCopy(String fileName, String destFileName){
Queue<String[]> fPQ = new LinkedList<String[]>();
String[] s = new String[2];
s[0] = fileName;
s[1] = destFileName;
fPQ.offer(s);
int i = 0;
while(!fPQ.isEmpty()){
for(String[] st : fPQ){
for(String str : st)
System.out.println(str);
}
System.out.println("\n" + i++);
String[] filePath = fPQ.poll();
File file = new File(filePath[0]);
File destFile = new File(filePath[1]);
if(!destFile.exists()){
destFile.mkdirs();
System.out.println("创建多级列表成功！！！");
}
File files[] = file.listFiles();
for(File f: files){
if(f.isFile()){
fileCopy(f.getPath(), filePath[1] + File.separator + f.getName());
}
else if(f.isDirectory()){
String[] temps = new String[2];
temps[0] = f.getPath();
temps[1] = filePath[1] + File.separator + f.getName();
fPQ.offer(temps);
}
}
}
}
private static void copy(String fileName, String destFileName){
File file = new File(fileName);
File destFile = new File(destFileName);
File files[] = file.listFiles();
if(!destFile.exists()){
destFile.mkdirs();
}
for(File f: files){
if(f.isFile()){
fileCopy(f.getPath(), destFileName + File.separator + f.getName());
}
else if(f.isDirectory()){
copy(f.getPath(), destFileName + File.separator + f.getName());
}
}
}
private static void fileCopy(String fileName, String destFileName){
System.out.println("正在拷贝文件！！！");
File file = new File(fileName);
File destFile = new File(destFileName);
// InputStream is = null;
// OutputStream os = null;
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
try {
bis = new BufferedInputStream(new FileInputStream(file));
bos = new BufferedOutputStream(new FileOutputStream(destFile));
byte bytes[] = new byte[1024];
while( bis.read(bytes) != -1 ){
bos.write(bytes);
bos.flush();
}
} catch (FileNotFoundException e1) {
e1.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
// os.flush();
// is.close();
// os.close();
bos.flush();
bis.close();
bos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
// private static void getAllFileList(String fileName){
// File file = new File(fileName);
// File files[] = file.listFiles();
//
// for(File f: files){
// if(f.isFile()){
//
// }
// if(f.isDirectory()){
// getAllFileList(f.toString());
// }
// else {
// System.out.println(f.getName());
// }
// }
//
// }
}
}
转载于:https://www.cnblogs.com/854594834-YT/p/10527471.html
