Java删除文件和文件夹

电玩女神 2023-06-30 01:32 23阅读 0赞

class DelFilesOrFolders { 
        public static void main(String args[]) { 
            DelFilesOrFolders t = new DelFilesOrFolders();
            delFolder("D:/temp");
            System.out.println("deleted");
        }
    
        //删除文件夹
        //param folderPath 文件夹完整绝对路径
        public static void delFolder(String folderPath) { 
            try { 
                delAllFile(folderPath); //删除完里面所有内容
                String filePath = folderPath;
                filePath = filePath.toString();
                File myFilePath = new File(filePath);
                myFilePath.delete(); //删除空文件夹
            } catch (Exception e) { 
                e.printStackTrace();
            }
        }
    
        //删除指定文件夹下所有文件
        //param path 文件夹完整绝对路径
        public static boolean delAllFile(String path) { 
            boolean flag = false;
            File file = new File(path);
            if (!file.exists()) { 
                return flag;
            }
            if (!file.isDirectory()) { 
                return flag;
            }
            String[] tempList = file.list();
            File temp = null;
            for (int i = 0; i < tempList.length; i++) { 
                if (path.endsWith(File.separator)) { 
                    temp = new File(path + tempList[i]);
                } else { 
                    temp = new File(path + File.separator + tempList[i]);
                }
                if (temp.isFile()) { 
                    temp.delete();
                } else if (temp.isDirectory()) { 
                    delAllFile(path + "/" + tempList[i]);//先删除文件夹里面的文件
                    delFolder(path + "/" + tempList[i]);//再删除空文件夹
                    flag = true;
                }
            }
            return flag;
        }
    }