使用tkinter编写登录窗口

import tkinter import sys import re import mysql.connector top = tkinter.Tk() top.geometry('400x170+350+150') top.wm_title('综合实例') top.resizable(width=False, height=False) 禁止修改窗口大小 def validateText(): val = entry1.get() pwd = entry2.get() if re.findall('^[0-9a-zA-Z_]{1,}$', str(val)): return True else: label3['text'] = '用户名只能包含字母、数字、下划线' return False #--------------------------获取数据库信息----------------------------------- file = open('mysql.conf', 'r') f = file.readlines() l = " ".join(f) ip = re.findall(r"host=(.\S+)", l) us = re.findall(r"user=(.\S+)", l) pd = re.findall(r"passwd=(.\S+)", l) pt = re.findall(r"port=(.\S+)", l) db = re.findall(r"database=(.\S+)", l) #--------------------------登陆数据库验证用户----------------------------------- def anw_button(db_host=ip[0], db_user=us[0], db_pass=pd[0], db_port=pt[0], db_data=db[0]): ''' mydb = mysql.connector.connect( host="xx.xx.xx.xx", # 数据库主机地址 user="root", # 数据库用户名 passwd="123456", # 数据库密码 port="66", database="py_test" ) ''' db_user_name = entry1.get() mydb = mysql.connector.connect( host=str(db_host), # 数据库主机地址a user=str(db_user), # 数据库用户名 passwd=str(db_pass), # 数据库密码 port=str(db_port), database=str(db_data) ) mycursor = mydb.cursor() #创建游标 mycursor.execute("select * FROM py_table where name = " + db_user_name) results = mycursor.fetchall() if results[0][0] != "": db_user_pwd = results[0][1] if str.upper(entry1.get()) == db_user_name and str.upper(entry2.get()) == db_user_pwd: label3['text'] = '登陆成功' top.destroy() #停止运行top.mainloop()，关闭窗口 import test test else: label3['text'] = '用户名或密码错误，请重新输入！' def registered(): top.destroy() import zc zc def down_zc(): label3['text'] = '注册功能已关闭' #---------------------------------窗口主体--------------------------------------------- label1 = tkinter.Label(top, text='用户名:', font=('宋体', '18')) label1.grid(row=0, column=0) label2 = tkinter.Label(top, text='密码:', font=('宋体', '18')) label2 .grid(row=1, column=0) v = tkinter.StringVar() entry1 = tkinter.Entry(top, font=('宋体', '18'), textvariable = v, validate = 'focusout', validatecommand = validateText)

entry1.grid(row=0, column=1) entry1.focus_force() entry2 = tkinter.Entry(top, font=('宋体', '18'), show = '*')

entry2.grid(row=1, column=1) button1 = tkinter.Button(top, text='登陆', font=('宋体', '18'), command = anw_button) button1.grid(row=2, column=0, padx=50, pady=10) button2 = tkinter.Button(top, text='注册', font=('宋体', '18'), command = registered) button2.grid(row=2, column=1, padx=80, pady=10) label3 = tkinter.Label(top, text='信息提示区', font=('华文新魏', '16'), relief = 'ridge', width = 30) label3.grid(row=3, column=0, padx=10, pady=10, columnspan=2, sticky='s') top.mainloop()

grid：网格布局 row=3, 行数值，从0开始，默认为0 column=0, 列数值，从0开始，默认为0 padx=10, x方向填充 pady=10, y方向填充 columnspan=2, sticky='s' 方向 s，n，e，w