Tkinter 简单用户登录注册程序

在完成python核心编程过程中，第七章第五题要求用Tkinter编写一个简单的GUI界面，完成简单的用户登录注册。查找的过程里现有的代码无法满足要求，收集资料完成了一个简单的。可以作为类似题目的模板。

# encoding=utf-8import timeimport hashlibfrom Tkinter import *import tkMessageBoximport tkMessageBox,tkFileDialogimport platformdb = {}#处理注册def newuser(name,pwd):    while True:        if db.has_key(name):            tkMessageBox.showinfo(title='失败', message='already has this name')            continue        else:            break    m = hashlib.md5()    m.update(pwd)    # print m    # print m.hexdigest()    db[name] = [m.hexdigest(),time.strftime("%Y %m %d %H %M", time.localtime())]    tkMessageBox.showinfo(title='成功', message='注册成功')#处理直接登录def olduser(name,pwd):    m = hashlib.md5()    m.update(pwd)    # print m    pwd = m.hexdigest()    passwd = db[name][0]    if passwd == pwd:        tkMessageBox.showinfo(title='成功', message='welcome back'+name)        ti = time.strftime("%Y %m %d %H %M", time.localtime())        lis1 = ti.split(' ')        lis2 = db[name][1].split(' ')        # print lis1        # print lis2        if lis1[0] == lis2[0]:            if lis1[1] == lis2[1]:                if lis1[2] == lis2[2]:                    if int(lis1[3])-4<int(lis2[3]):                        # print 'you alraedy logged in at %s' %db[name][1]                        tkMessageBox.showinfo(title='成功', message='you already logged in at %s ' % db[name][1])        db[name][1] = ti    else:        tkMessageBox.showinfo(title='失败', message='登录失败')#删除用户，返回一个提示框def delete(name):    del db[name]    tkMessageBox.showinfo(title='成功', message='删除：'+name)#展示所有用户，返回提示框def showuser():    string1 = ''    for key in db:        string1 = string1+key        string1 = string1+' '+db[key][0]        string1 = string1+'\n'    tkMessageBox.showinfo(title='用户信息', message=string1)#处理注册窗口def signin():    win1 = Toplevel()    l1 = Label(win1, text="注册")    l1.pack()  # 这里的side可以赋值为LEFT  RTGHT TOP  BOTTOM    l2 = Label(win1, text="姓名：")    l2.pack()  # 这里的side可以赋值为LEFT  RTGHT TOP  BOTTOM    sheet_text1 = StringVar()    sheet1 = Entry(win1, textvariable=sheet_text1)    sheet1.pack()    l3 = Label(win1, text="密码：")    l3.pack()  # 这里的side可以赋值为LEFT  RTGHT TOP  BOTTOM    sheet_text2 = StringVar()    sheet2 = Entry(win1, textvariable=sheet_text2)    sheet2.pack()    def on_click1():        name = sheet_text1.get()        pwd = sheet_text2.get()        #调用处理新用户窗口        newuser(name,pwd)    Button(win1, text="press", command=on_click1).pack()#处理登录窗口def login():    # win1 = Tk.winfo_toplevel(root)    #焦点绑定到当前窗口，否则无法获取输入    win1 = Toplevel()    l4 = Label(win1, text="登录")    l4.pack()  # 这里的side可以赋值为LEFT  RTGHT TOP  BOTTOM    l5 = Label(win1, text="姓名：")    l5.pack()  # 这里的side可以赋值为LEFT  RTGHT TOP  BOTTOM    sheet_text3 = StringVar()    sheet3 = Entry(win1, textvariable=sheet_text3)    sheet3.pack()    l6 = Label(win1, text="密码：")    l6.pack()  # 这里的side可以赋值为LEFT  RTGHT TOP  BOTTOM    sheet_text4 = StringVar()    sheet4 = Entry(win1, textvariable=sheet_text4)    sheet4.pack()    def on_click2():        name = sheet_text3.get()        pwd = sheet_text4.get()        olduser(name,pwd)    Button(win1, text="press", command=on_click2).pack()#退出程序def quit1():    root.quit()#删除用户窗口def deuser():    win1 = Toplevel()    l4 = Label(win1, text="登录")    l4.pack()  # 这里的side可以赋值为LEFT  RTGHT TOP  BOTTOM    l5 = Label(win1, text="姓名：")    l5.pack()  # 这里的side可以赋值为LEFT  RTGHT TOP  BOTTOM    sheet_text3 = StringVar()    sheet3 = Entry(win1, textvariable=sheet_text3)    sheet3.pack()    def on_click5():        name = sheet_text3.get()        delete(name)    Button(win1, text="press", command=on_click5).pack()if __name__ == '__main__':    root = Tk()    root.title('用户登录窗口')    root.geometry('500x400')    #分别进入不同的窗口    Button(root, text="注册", command=signin).pack()    Button(root, text="登录", command=login).pack()    Button(root, text="退出", command=quit1).pack()    Button(root, text="所有用户", command=showuser).pack()    Button(root, text="删除用户", command=deuser).pack()    root.mainloop()