Python button选取本地图片并显示的实例_Python

Python button选取本地图片并显示的实例

2021-07-11 00:53YuMingJing_ Python

今天小编就为大家分享一篇Python button选取本地图片并显示的实例，具有很好的参考价值，希望对大家有所帮助。一起跟随小编过来看看吧

从本地文件夹中选取一张图片并在canvas上显示

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									from tkinter import *

									from tkinter import filedialog

									from pil import image, imagetk

									if __name__ == "__main__":

									  root = tk()

									  #setting up a tkinter canvas with scrollbars

									  frame = frame(root, bd=2, relief=sunken)

									  frame.grid_rowconfigure(0, weight=1)

									  frame.grid_columnconfigure(0, weight=1)

									  xscroll = scrollbar(frame, orient=horizontal)

									  xscroll.grid(row=1, column=0, sticky=e+w)

									  yscroll = scrollbar(frame)

									  yscroll.grid(row=0, column=1, sticky=n+s)

									  canvas = canvas(frame, bd=0, xscrollcommand=xscroll.set, yscrollcommand=yscroll.set)

									  canvas.grid(row=0, column=0, sticky=n+s+e+w)

									  xscroll.config(command=canvas.xview)

									  yscroll.config(command=canvas.yview)

									  frame.pack(fill=both,expand=1)

									  #function to be called when mouse is clicked

									  def printcoords():

									    file = filedialog.askopenfilename(parent=root, initialdir="c:/",title='choose an image.')

									    filename = imagetk.photoimage(image.open(file))

									    canvas.image = filename # <--- keep reference of your image

									    canvas.create_image(0,0,anchor='nw',image=filename)

									  button(root,text='choose',command=printcoords).pack()

									  root.mainloop()