ADD file via upload

LoginPape.py

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+import tkinter as tk
+from tkinter import messagebox
+from db import db
+from PIL import Image, ImageTk
+from Mainpage import Mainage
+from register import RegisterPage
+
+class LoginPage:
+
+    def __init__(self, master):
+        self.root = master
+        self.root.geometry('300x180')
+        self.root.title('登录页')
+        self.username = tk.StringVar()
+        self.password = tk.StringVar()
+        self.page = tk.Frame(root)
+        self.page.pack()
+
+        # 加载背景图像
+        self.bg_image = Image.open("D:\桌面\图片\背景图.jpg")  # 替换为你的背景图路径
+        self.bg_image = self.bg_image.resize((300, 180))
+        self.bg_imageTk = ImageTk.PhotoImage(self.bg_image)
+
+        # 创建背景图像的Label
+        bg_label = tk.Label(self.page, image=self.bg_imageTk)
+        bg_label.place(relwidth=1, relheight=1)
+
+        # 创建其他控件
+        tk.Label(self.page).grid(row=0, column=0)
+
+        tk.Label(self.page, text='账户：').grid(row=1, column=1, pady=10)
+        tk.Entry(self.page, textvariable=self.username).grid(row=1, column=2)
+
+        tk.Label(self.page, text='密码：').grid(row=2, column=1, pady=10)
+        tk.Entry(self.page, textvariable=self.password).grid(row=2, column=2)
+
+        tk.Button(self.page, text='注册：', command=self.registers).grid(row=3, column=1, pady=10)
+        tk.Button(self.page, text='登录：', command=self.login).grid(row=3, column=2, pady=10)
+        tk.Button(self.page, text='退出：', command=self.page.quit).grid(row=3, column=3, pady=10)
+
+
+    def login(self):
+        name = self.username.get()
+        pwd = self.password.get()
+        flag, message = db.check_login(name,pwd)
+        if flag:
+            self.page.destroy()
+            Mainage(self.root)
+        else:
+            messagebox.showwarning(title='警告', message=message)
+
+    def registers(self):
+        self.page.destroy()
+        RegisterPage(self.root)
+
+
+
+if __name__ == '__main__':
+    root = tk.Tk()
+    LoginPage(master=root)
+    root.mainloop()