用python3实现图形验证码，代码可以直接运行

from tkinter import * from tkinter.messagebox import * import time import os root = Tk() import random dirall = [] randima = [] def call(): global image1 global image2 global image3 global image4 global image5 global selone global seltwo dirall.clear() randima.clear() for dirs in os.walk('./test/'): dirall.append(dirs) secdir = dirall[0][1] luckima = random.choice(secdir) secdir.remove(luckima) decdir = luckima filelist = os.listdir('./test/' + decdir) selone = random.choice(filelist) randima.append(decdir + '/' + selone) filelist.remove(selone) seltwo = random.choice(filelist) randima.append(decdir + '/' + seltwo) for i in range(3): randdir = random.choice(secdir) randfile = os.listdir('./test/' + randdir) randima.append(randdir + '/' + random.choice(randfile)) secdir.remove(randdir) random.shuffle(randima) title = Label(root, text="所有的" + luckima).grid(column=1, row=0) image1 = PhotoImage(file='test/' + randima[0]) image2 = PhotoImage(file='test/' + randima[1]) image3 = PhotoImage(file='test/' + randima[2]) image4 = PhotoImage(file='test/' + randima[3]) image5 = PhotoImage(file='test/' + randima[4]) label = Label(root, image=image1).grid(column=0, row=1) labe2 = Label(root, image=image2).grid(column=1, row=1) labe3 = Label(root, image=image3).grid(column=2, row=1) labe4 = Label(root, image=image4).grid(column=3, row=1) labe5 = Label(root, image=image5).grid(column=4, row=1) def defcheck(): cvar1.set(0) cvar2.set(0) cvar3.set(0) cvar4.set(0) cvar5.set(0) def test(): count = 0 if cvar1.get() == 1: if selone not in randima[0] and seltwo not in randima[0]: warn = showwarning(title='05_图形验证码', message='验证失败，请重新验证！') count = 20 call() else: count += 1 if cvar2.get() == 1 and count != 20: if selone not in randima[1] and seltwo not in randima[1]: warn = showwarning(title='05_图形验证码', message='验证失败，请重新验证！') count = 20 call() else: count += 1 if cvar3.get() == 1 and count != 20: if selone not in randima[2] and seltwo not in randima[2]: warn = showwarning(title='05_图形验证码', message='验证失败，请重新验证！') count = 20 call() else: count += 1 if cvar4.get() == 1 and count != 20: if selone not in randima[3] and seltwo not in randima[3]: warn = showwarning(title='05_图形验证码', message='验证失败，请重新验证！') count = 20 call() else: count += 1 if cvar5.get() == 1 and count != 20: if selone not in randima[4] and seltwo not in randima[4]: warn = showwarning(title='05_图形验证码', message='验证失败，请重新验证！') count = 20 call() else: count += 1 if count == 2: mess = showwarning(title='05_图形验证码', message='验证通过，将进入系统！') root.destroy() elif count == 0: mess = showwarning(title='05_图形验证码', message='请选择图形再验证！') else: defcheck() root.title('05_图形验证码') root.wm_attributes('-topmost', 1) root.geometry('500x180') title = Label(root, text="请点击下面图中").grid(column=0, row=0) call() cvar1 = IntVar() cvar2 = IntVar() cvar3 = IntVar() cvar4 = IntVar() cvar5 = IntVar() check1 = Checkbutton(root, text="选择", variable=cvar1, onvalue=1, offvalue=0).grid(column=0, row=2) check2 = Checkbutton(root, text="选择", variable=cvar2, onvalue=1, offvalue=0).grid(column=1, row=2) check3 = Checkbutton(root, text="选择", variable=cvar3, onvalue=1, offvalue=0).grid(column=2, row=2) check4 = Checkbutton(root, text="选择", variable=cvar4, onvalue=1, offvalue=0).grid(column=3, row=2) check5 = Checkbutton(root, text="选择", variable=cvar5, onvalue=1, offvalue=0).grid(column=4, row=2) actis = Button(root, text="确认", command=test, width=8) actis.grid(column=3, row=3) actcal = Button(root, text="换一组", command=call, width=8) actcal.grid(column=4, row=3) root.mainloop()