python打开图片（这次是tk，不是opencv）

希望内嵌一下图片。试了好几家的程序，总算找了一个比较靠谱的。

# -*- coding: utf-8 -*-

"""

Created on Sat Mar  7 18:03:50 2020

@author: liyan

"""

import tkinter

from tkinter import *

from PIL import Image,ImageTk

from tkinter.filedialog import askopenfilename

import time

root = Tk()

root.geometry('500x500')

root.title('图片处理')

def choosepic():

    path_ = askopenfilename()

    path.set(path_)

    img_open = Image.open(file_entry.get())

    img = ImageTk.PhotoImage(img_open)

    image_label.config(image=img)

    image_label.image = img  # keep a reference

path = StringVar()  ###调用一个全局变量是解决问题的关键啊

Button(root, text='选择图片', command=choosepic).pack()

file_entry = Entry(root, state='readonly', text=path)

#file_entry.pack() 

image_label = Label(root)

image_label.pack()

root.mainloop()