import os
import tkinter as tk
from tkinter import ttk
root=tk.Tk()
root.geometry('320x240')
f=tk.Frame(root)
tv=ttk.Treeview(f,show='tree')
ybar=tk.Scrollbar(f,orient=tk.VERTICAL,
              command=tv.yview)
tv.configure(yscroll=ybar.set)
directory='d:\\Drivers'
tv.heading('#0',text='目录：'+directory,anchor='w')
path=os.path.abspath(directory)
node=tv.insert('','end',text=path,open=True)
def traverse_dir(parent,path):
    for d in os.listdir(path):
    full_path=os.path.join(path,d)
    isdir = os.path.isdir(full_path)
    id=tv.insert(parent,'end',text=d,open=False)
    if isdir:
        traverse_dir(id,full_path)
traverse_dir(node,path)
ybar.pack(side=tk.RIGHT,fill=tk.Y) 
tv.pack()
f.pack()
root.mainloop()