import java.io.File;

public class DeleteDirectory {
/**
* 刪除空目錄
* @param dir 將要刪除的目錄路徑
*/
private static void doDeleteEmptyDir(String dir) {
boolean success = (new File(dir)).delete();
if (success) {
System.out.println("Successfully deleted empty directory: " + dir);
} else {
System.out.println("Failed to delete empty directory: " + dir);
}
}

/**
* 遞歸刪除目錄下的所有文件及子目錄下所有文件
* @param dir 將要刪除的文件目錄
* @return boolean Returns "true" if all deletions were successful.
* If a deletion fails, the method stops attempting to
* delete and returns "false".
*/
private static boolean deleteDir(File dir) {
if (dir.isDirectory()) {
String[] children = dir.list();
　　　　　　　//遞歸刪除目錄中的子目錄下
for (int i=0; i<children.length; i++) {
boolean success = deleteDir(new File(dir, children[i]));
if (!success) {
return false;
}
}
}
// 目錄此時為空，可以刪除
return dir.delete();
}
/**
*測試
*/
public static void main(String[] args) {
doDeleteEmptyDir("new_dir1");
String newDir2 = "new_dir2";
boolean success = deleteDir(new File(newDir2));
if (success) {
System.out.println("Successfully deleted populated directory: " + newDir2);
} else {
System.out.println("Failed to delete populated directory: " + newDir2);
}
}
}

轉載于:https://www.cnblogs.com/haoqijifeng/p/5564071.html

總結

以上是生活随笔為你收集整理的递归删除目录下的所有文件的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。