python读取并显示照片

import tkinter
from tkinter import *
from PIL import Image,ImageTk
from tkinter.filedialog import askopenfilename



root = Tk()
root.geometry('800x500')
root.title('图片处理')

def resize(w, h, pil_image):
    f1 = 1.0 * 800 / w  # 1.0 forces float division in Python2
    f2 = 1.0 * 500 / h
    factor = min([f1, f2])
    width = int(w * factor)
    height = int(h * factor)
    return pil_image.resize((width, height), Image.ANTIALIAS)

def choosepic():
    path_ = askopenfilename()
    path.set(path_)
    img_open = Image.open(file_entry.get())
    reimg=resize(img_open.width, img_open.height, img_open)
    img = ImageTk.PhotoImage(reimg)
    image_label.config(image=img)
    image_label.image = img  # keep a reference
    # result.config(text='dffffff')


path = StringVar()
Button(root, text='选择图片', command=choosepic).pack()
# result=tkinter.Label(text='识别结果显示区域',font=('Arial',12))
# result.pack(side=tkinter.BOTTOM)
file_entry = Entry(root, state='readonly', text=path)

image_label = Label(root)
image_label.pack(padx=60, pady=60)

root.mainloop()