登陆界面源码

　　应粉丝要求上源码# -*- coding=utf-8 -*- # @Time : 2022/3/29 17:00 # @Author :zgz # @File : login.py # @Software : PyCharm from tkinter import * from tkinter import messagebox from PIL import ImageTk from PIL import Image import pickle   def main():     global root     root = Tk()     x = int(root.winfo_screenwidth() / 2 - root.winfo_reqwidth() / 2)     y = int(root.winfo_screenheight() / 2 - root.winfo_reqheight() / 2)     root.geometry(f＂400x300+{x - 100}+{y - 70}＂)     root.title(＂交易系统登录＂)     # root.iconbitmap(＂logo.ico＂)     root.resizable(False, False)  # 不允许改变窗口大小      fr1 = Frame(root)     fr1.pack()     img1 = get_img(filename=＂zf01.jpg＂, width=400, height=150)  # 自己找一张图片     canvas = Canvas(fr1, width=400, height=150, bg=＂lightblue＂, highlightthickness=0)     canvas.create_image(200, 0, image=img1, anchor=＂n＂)     canvas.create_text(200, 48, text=＂欢迎使用股票自动交易系统＂, fill=＂red＂, font=(＂方正粗黑宋简体＂, 13))     canvas.pack()      fr2 = Frame(root)     fr2.pack(pady=10)      # 用户名     Lab_1 = Label(fr2, text=＂用  户  名:＂, font=(＂Arial＂, 10))     Lab_1.grid(row=0, column=0, padx=(0, 0), pady=10)  # 0行0列     var_usr_name = StringVar()     entry_usr_name = Entry(fr2, textvariable=var_usr_name, font=(＂Arial＂, 10))     entry_usr_name.grid(row=0, column=1, padx=(20, 0), pady=8)  # 0行1列     entry_usr_name.focus_set()  # 获得焦点      # 用户密码     Lab_2 = Label(fr2, text=＂登录密码:＂, font=(＂Arial＂, 10))     Lab_2.grid(row=1, column=0, padx=(0, 0), pady=8)  # 1行0列     var_usr_pwd = StringVar()     entry_usr_pwd = Entry(fr2, textvariable=var_usr_pwd, font=(＂Arial＂, 10), show=＂*＂)     entry_usr_pwd.grid(row=1, column=1, padx=(20, 0), pady=8)  # 1行1列      # 定义用户登录功能     def usr_login():         usr_name = var_usr_name.get()         usr_pwd = var_usr_pwd.get()         if usr_name == ＂＂ or usr_pwd == ＂＂:             messagebox.showerror(＂Error＂, ＂用户名,密码不能空! 请 重 新 输 入!＂)             return         try:             with open(＂usrs_info.pickle＂, ＂rb＂) as usr_file:                 usrs_info = pickle.load(usr_file)         except FileNotFoundError:             with open(＂usrs_info.pickle＂, ＂wb＂) as usr_file:                 usrs_info = {＂admin＂: ＂admin＂}                 pickle.dump(usrs_info, usr_file)                 usr_file.close()  # 必须先关闭          if usr_name in usrs_info:             if usr_pwd == usrs_info[usr_name]:                 fr1.destroy()                 fr2.destroy()                 Home(master=root)  # 主窗体模块的界面加载             else:                 messagebox.showerror(＂错误＂, ＂密 码 错 误! 请重新输入＂)         else:  # 如果发现用户名不存在             is_sign_up = messagebox.askyesno(＂欢迎光临！ ＂, ＂您还没有注册. 马上注册?＂)             # 提示需不需要注册新用户             if is_sign_up:                 usr_sign_up()      # 定义用户注册功能     def usr_sign_up():         infodisplay()          def sign_to():             np = new_pwd.get()             npf = new_pwd_confirm.get()             nn = new_name.get()              if np == ＂＂ or nn == ＂＂:                 messagebox.showerror(＂Error＂, ＂用户名,密码不能空!    请 重 新 输 入 !＂)                 return              # 这里是打开我们记录数据的文件，将注册信息读出             try:                 with open(＂usrs_info.pickle＂, ＂rb＂) as usr_file:                     exist_usr_info = pickle.load(usr_file)             except FileNotFoundError:                 with open(＂usrs_info.pickle＂, ＂wb＂) as usr_file:                     usrs_info = {＂admin＂: ＂admin＂}                     pickle.dump(usrs_info, usr_file)                     exist_usr_info = ＂admin＂                     usr_file.close()             if np != npf:                 messagebox.showerror(＂Error＂, ＂两次密码必须相同!＂)             elif nn in exist_usr_info:                 messagebox.showerror(＂Error＂, ＂用户名已注册!＂)             else:                 exist_usr_info[nn] = np                 with open(＂usrs_info.pickle＂, ＂wb＂) as usr_file:                     pickle.dump(exist_usr_info, usr_file)                 messagebox.showinfo(＂Welcome＂, ＂您已注册成功!＂)                 # window_sign_up.destroy()                 close_handler()          global window_sign_up         window_sign_up = Toplevel()         window_sign_up.transient(root)         window_sign_up.attributes(＂-topmost＂, 1)         window_sign_up.protocol(＂WM_DELETE_WINDOW＂, close_handler)         window_sign_up.geometry(f＂300x200+{x + 320}+{y + 30}＂)         window_sign_up.title(＂用户注册＂)         window_sign_up.attributes(＂-toolwindow＂, 1)          new_name = StringVar()  # 将输入的注册名赋值给变量         Label(window_sign_up, text=＂用  户  名:＂).place(x=15, y=20)         entry_new_name = Entry(window_sign_up, textvariable=new_name)         entry_new_name.place(x=100, y=20)         entry_new_name.focus_set()  # 获得焦点          new_pwd = StringVar()         Label(window_sign_up, text=＂密       码:＂).place(x=15, y=60)         usr_pwd = Entry(window_sign_up, textvariable=new_pwd, show=＂*＂)         usr_pwd.place(x=100, y=60)          new_pwd_confirm = StringVar()         Label(window_sign_up, text=＂密码确认:＂).place(x=15, y=100)         usr_pwd_confirm = Entry(window_sign_up, textvariable=new_pwd_confirm, show=＂*＂)         usr_pwd_confirm.place(x=100, y=100)          btn_sign_up1 = Button(window_sign_up, text=＂注册＂, command=sign_to)         btn_sign_up1.place(x=180, y=150)      btn_login = Button(fr2, text=＂登录＂, command=usr_login)     btn_login.grid(row=2, column=0, padx=(40, 0), pady=8)  # 2行0列      btn_sign_up = Button(fr2, text=＂注册＂, command=usr_sign_up)     btn_sign_up.grid(row=2, column=1, padx=(20, 0), pady=8)  # 2行1列     root.mainloop()   def get_img(filename, width, height):     im = Image.open(filename).resize((width, height))     im = ImageTk.PhotoImage(im)     return im  def close_handler():     root.attributes(＂-disabled＂, 0)     window_sign_up.destroy()  def infodisplay():     root.attributes(＂-disabled＂, 1)   class Home(Frame):     ＂＂＂主窗口＂＂＂      def __init__(self, master=None):         super().__init__(master)  # 调用父类的初始化方法         self.root = master         self.root.title(＂股票自动交易系统＂)         x = int(self.root.winfo_screenwidth() / 2 - self.root.winfo_reqwidth() / 2)         y = int(self.root.winfo_screenheight() / 2 - self.root.winfo_reqheight() / 2)         self.root.geometry(f＂1080x600+{x - 400}+{y - 220}＂)         self.root.resizable(False, False)  # 不允许改变窗口大小         self.createWidget()      def createWidget(self):         ＂＂＂创建组件＂＂＂         stus_str_var = StringVar()         stus_str_var.set(＂开 始 您 的 创 作 吧！＂)         stus_label = Label(self.root, textvariable=stus_str_var, fg=＂red＂, font=(＂Arial＂, 25),                            anchor=＂center＂)          stus_label.pack(pady=100)   if __name__ == ＂__main__＂:     root = None     window_sign_up = None      main()