使用python的tkinter模块实现的GUI版用户登录程序（附源码）

骑猪看日落 2021-05-16 20:37 433阅读 0赞

### 目录 ###

*  界面展示
 *  用户登录
 *   *  用户名不存在
     *  密码错误
     *  登录成功
 *  用户注册
 *   *  密码输入不一致
     *  注册成功
     *  取消注册
 *  源代码

# 界面展示 #

> **在登录界面，用户可以选择直接登录，也可以选择注册账号**

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQ1Njc1NDQ5_size_16_color_FFFFFF_t_70]

--------------------

# 用户登录 #

> **登录时，如果用户名不存在，会询问是否注册，如果用户名存在并且密码正确，则登录成功**

## 用户名不存在 ##

![在这里插入图片描述][20210221204106852.gif_pic_center]

## 密码错误 ##

![在这里插入图片描述][20210221204324554.gif_pic_center]

## 登录成功 ##

![在这里插入图片描述][20210221204508592.gif_pic_center]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQ1Njc1NDQ5_size_16_color_FFFFFF_t_70 1]

--------------------

# 用户注册 #

> **用户注册时，需要用户输入用户名，密码，和再次确认的密码，当两次输入的密码相同时才能成功注册，在注册时，用户也可以取消注册**

## 密码输入不一致 ##

![在这里插入图片描述][20210221205121937.gif_pic_center]

## 注册成功 ##

![在这里插入图片描述][2021022120524939.gif_pic_center]

## 取消注册 ##

![在这里插入图片描述][20210221205440994.gif_pic_center]

--------------------

# 源代码 #

**每个部分都分成了一块，每个部分的功能都用注解标注了，可以对比功能看一下代码**

import tkinter as tk
    from tkinter import messagebox
    from PIL import ImageTk
    
    # 存储注册成功用户名及密码
    success = []
    
    # 主窗口
    window = tk.Tk()
    window.title("Please Log In")
    window.geometry("900x660")
    
    # 背景画布
    canvas = tk.Canvas(window,width=900,height=500)
    image_file = ImageTk.PhotoImage(file="title2.jpg")
    image = canvas.create_image(0,0,anchor="nw",image=image_file)
    canvas.pack()
    
    # 用户名，用户密码文本
    name_lable = tk.Label(window,text="UserName:",font=(15))
    password_lable = tk.Label(window,text="Password:",font=(15))
    name_lable.place(x=300,y=510)
    password_lable.place(x=300,y=550)
    
    # 用户名，用户密码输入框
    nameval = tk.StringVar()
    passwordval = tk.StringVar()
    name_entry = tk.Entry(window,textvariable=nameval,font=(12))
    password_entry = tk.Entry(window,textvariable=passwordval,show="*",font=(12))
    name_entry.place(x=400,y=515)
    password_entry.place(x=400,y=555)
    
    # 登录按钮触发函数
    def sign_in_f():
        user_si_name = name_entry.get()
        user_si_pass = password_entry.get()
        if user_si_name in success:
            i = success.index(user_si_name)
            if success[i+1] == user_si_pass:
                tk.messagebox.showinfo(title="登录提示",message="登录成功")
            else:
                tk.messagebox.showinfo(title="登录提示",message="密码错误")
        else:
            result = tk.messagebox.askquestion(title="登录提示",message="用户名不存在,是否立即注册？")
            if result == "yes":
                sign_up_f()
            else:
                pass
    
    # 注册按钮触发函数
    def sign_up_f():
        # 用户注册界面
        singn_up_w = tk.Tk()
        singn_up_w.title("用户注册")
        singn_up_w.geometry("600x400")
    
        # 拥护注册 用户名，密码，确认密码文本
        su_name_lable = tk.Label(singn_up_w,text="UserName:",font=(12))
        su_pass_lable = tk.Label(singn_up_w,text="Password:",font=(12))
        su_cpass_lable = tk.Label(singn_up_w,text="Confirm Password:",font=(12))
        su_name_lable.place(x=95,y=50)
        su_pass_lable.place(x=95,y=150)
        su_cpass_lable.place(x=95,y=250)
    
        # 用户注册 用户名，密码，确认密码输入框
        su_name_val = tk.StringVar()
        su_pass_val = tk.StringVar()
        su_cpass_val = tk.StringVar()
        su_name_entry = tk.Entry(singn_up_w,textvariable=su_name_val,width=20,font=(12))
        su_pass_entry = tk.Entry(singn_up_w,textvariable=su_pass_val,width=20,show="*",font=(12))
        su_cpass_entry = tk.Entry(singn_up_w,textvariable=su_cpass_val,width=20,show="*",font=(12))
        su_name_entry.place(x=270,y=50)
        su_pass_entry.place(x=270,y=150)
        su_cpass_entry.place(x=270,y=250)
    
        # 用户在注册页面点击注册按钮触发的函数
        def su_conf_b():
            su_username = su_name_entry.get()
            su_userpass = su_pass_entry.get()
            su_usercpass = su_cpass_entry.get()
            if su_userpass == su_usercpass:
                tk.messagebox.showinfo(title="注册提示",message="注册成功，请登录")
                success.append(su_username)
                success.append(su_userpass)
                singn_up_w.destroy()
            else:
                tk.messagebox.showinfo(title="注册提示",message="两次输入的密码不同，请重新输入")
    
        # 用户在注册页面点击取消按钮触发的函数
        def su_cancel_b():
            result = tk.messagebox.askquestion(title="放弃注册",message="你真的要放弃注册吗？")
            if result == "yes":
                singn_up_w.destroy()
            else:
                pass
    
        # 用户注册 注册，取消按钮
        su_confirm_button = tk.Button(singn_up_w,text="Sign up",command=su_conf_b)
        su_cancle_button = tk.Button(singn_up_w,text="Cancel",command=su_cancel_b)
        su_confirm_button.place(x=170,y=330)
        su_cancle_button.place(x=370,y=330)
    
    # 登录，注册按钮
    sign_in_button = tk.Button(window,text="Sing in",command=sign_in_f)
    sign_up_button = tk.Button(window,text="Sign up",command=sign_up_f)
    sign_in_button.place(x=350,y=600)
    sign_up_button.place(x=470,y=600)
    
    
    window.mainloop()

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