public void traverseFolder2(String path) {
File file = new File(path);
if (file.exists()) {
File[] files = file.listFiles();
if (null == files || files.length == 0) {
System.out.println("文件夾是空的!");
return;
} else {
for (File file2 : files) {
if (file2.isDirectory()) {
System.out.println("文件夾:" + file2.getAbsolutePath());
traverseFolder2(file2.getAbsolutePath());
} else {
System.out.println("文件:" + file2.getAbsolutePath());
}
}
}
} else {
System.out.println("文件不存在!");
}
}
擴展資料
public void traverseFolder1(String path) {
int fileNum = 0, folderNum = 0;
File file = new File(path);
if (file.exists()) {
LinkedList<File> list = new LinkedList<File>();
File[] files = file.listFiles();
for (File file2 : files) {
if (file2.isDirectory()) {
System.out.println("文件夾:" + file2.getAbsolutePath());
list.add(file2);
foldeNum++;
} else {
System.out.println("文件:" + file2.getAbsolutePath());
fileNum++;
}
}
File temp_file;
while (!list.isEmpty()) {
temp_file = list.removeFirst();
files = temp_file.listFiles();
for (File file2 : files) {
if (file2.isDirectory()) {
System.out.println("文件夾:" + file2.getAbsolutePath());
list.add(file2);
folderNum++;
} else {
System.out.println("文件:" + file2.getAbsolutePath());
fileNum++;
}
}
}
} else {
System.out.println("文件不存在!");
}
System.out.println("文件夾***有:" + folderNum + ",文件***有:" + fileNum);
}
參考資料：