Java删除檔案和檔案夾

class DelFilesOrFolders {
    public static void main(String args[]) {
        DelFilesOrFolders t = new DelFilesOrFolders();
        delFolder("D:/temp");
        System.out.println("deleted");
    }

    //删除檔案夾
    //param folderPath 檔案夾完整絕對路徑
    public static void delFolder(String folderPath) {
        try {
            delAllFile(folderPath); //删除完裡面所有内容
            String filePath = folderPath;
            filePath = filePath.toString();
            File myFilePath = new File(filePath);
            myFilePath.delete(); //删除空檔案夾
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    //删除指定檔案夾下所有檔案
    //param path 檔案夾完整絕對路徑
    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]);//先删除檔案夾裡面的檔案
                delFolder(path + "/" + tempList[i]);//再删除空檔案夾
                flag = true;
            }
        }
        return flag;
    }
}