QT编程 获取当前工作目录下的文件列表,并以Tree的形式显示在界面上...答:String[] s={"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};System.out.print("请输入数字(1-12):");BufferedReader br=new BufferedReader(new InputStreamReader(System.in));String str=br.readLi...