GUI登录界面

 源代码部分

import random
from tkinter import *
from tkinter import messagebox


def name_12():
    button1.place_forget()
    entry1.place_forget()
    button2.place_forget()
    entry2.place_forget()
    button3.place_forget()
    entry3.place_forget()
    entry4.place_forget()
    bt1.place_forget()
    bt2.place_forget()

    list11 = "1234567890"
    list21 = "abcdefghijklmnopqrstuvwxyz"
    list31 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
    a11 = random.randint(0, 9)
    b11 = random.randint(0, 25)
    c11 = random.randint(0, 25)
    a111 = random.randint(0, 9)
    b111 = random.randint(0, 25)
    c111 = random.randint(0, 25)

    name_pd1 = list11[a11] + list21[b11] + list31[c11] + list11[a111] + list21[b111] + list31[c111]

    button11 = Label(root, text="账号：", font=("幼圆", 20), bg='White')
    entry11 = Entry(root, width=60, bg="whitesmoke")
    button21 = Label(root, text="密码：", font=("幼圆", 20), bg='White')
    entry21 = Entry(root, width=60, bg="whitesmoke", show="*")
    button31 = Label(root, text="确认密码：", font=("幼圆", 20), bg='White')
    entry31 = Entry(root, width=60, bg="whitesmoke", show="*")
    button41 = Label(root, text="验证码：", font=("幼圆", 20), bg='White')
    entry41 = Entry(root, width=30, bg="whitesmoke")
    entry51 = Entry(root, width=20, bg="whitesmoke")
    entry51.insert(0, name_pd1)
    entry51.config(state='readonly')

    button11.place(x=350, y=192)
    entry11.place(x=450, y=200)

    button21.place(x=350, y=252)
    entry21.place(x=450, y=260)

    button31.place(x=295, y=310)
    entry31.place(x=450, y=318)

    button41.place(x=322, y=370)
    entry41.place(x=450, y=375)

    entry51.place(x=730, y=375)

    def name_121():
        global zh_cc, mm_cc, zhk_zd, sj_cc
        mm_zh = entry11.get()
        mm_1 = entry21.get()
        mm_2 = entry31.get()
        mm_zh_tj = len(mm_zh)
        mm_1_tj = len(mm_1)
        mm_2_tj = len(mm_2)

        yzm_1_1 = entry41.get()
        sl_pd_1 = len(yzm_1_1)
        print(yzm_1_1)

        if mm_zh_tj == 0 and mm_1_tj == 0:
            messagebox.showerror("错误提示！", "账号和密码不得为空！")
        elif mm_zh_tj == 0:
            messagebox.showerror("错误提示！", "账号不得为空！")
        elif mm_1_tj == 0 or mm_2_tj == 0:
            messagebox.showerror("错误提示！", "密码不得为空！")
        else:
            if mm_1 != mm_2:
                messagebox.showerror("错误提示！", "两次密码不相同！")
            else:
                if yzm_1_1 != name_pd1:
                    if sl_pd_1 >= 1:
                        messagebox.showerror("错误提示！", "验证码错误！\n正确验证码为:" + name_pd1)
                    else:
                        messagebox.showerror("错误提示！", "验证码验证码不得为空！")
                else:
                    if mm_zh_tj > 7:
                        messagebox.showerror("错误提示！", "用户名最多不得超过七个字!")
                    elif mm_1_tj < 7 or mm_1_tj > 15:
                        messagebox.showerror("错误提示！", "密码数量介于7-15之间!")
                    elif mm_2_tj < 7 or mm_2_tj > 15:
                        messagebox.showerror("错误提示！", "密码数量介于7-15之间!")
                    else:
                        if mm_1 == mm_2 and yzm_1_1 == name_pd1:
                            if mm_zh in sj_cc: