登录页面

LoginPage.py

@@ -0,0 +1,55 @@
+import tkinter as tk
+from tkinter import messagebox
+from MainPage import MainPage
+
+
+class LoginPage:
+    def __init__(self, master):
+        self.root = master
+        self.root.title("请登录")
+        # 设置窗口大小
+        self.root.geometry("300x150+600+300")
+        self.root.resizable(False, False)
+
+        # 创建并布局一个Frame
+        self.page = tk.Frame(root)
+        self.page.pack()
+
+        # 定义动态字符串变量
+        self.username = tk.StringVar()
+        self.password = tk.StringVar()
+
+        # 占位
+        tk.Label(self.page).grid(row=0, column=0)
+
+        # tk.Label(page, text="^欢迎进入文章管理系统^", font=("Arial", 20, 'italic'), fg="red").grid(columnspan=2, row=0)
+
+        tk.Label(self.page, text="用户名：", font=('', 11)).grid(row=1, column=1, pady=10)
+        tk.Entry(self.page, font=('', 11), textvariable=self.username).grid(row=1, column=2, pady=10)
+
+        tk.Label(self.page, text="密码：", font=('', 11)).grid(row=2, column=1, pady=10)
+        tk.Entry(self.page, font=('', 11), textvariable=self.password, show='*').grid(row=2, column=2, pady=10)
+
+        tk.Button(self.page, text="登录", font=('', 11), command=self.login).grid(row=3, column=1)
+        tk.Button(self.page, text="退出", font=('', 11), command=self.page.quit).grid(row=3, column=2)
+
+    def login(self):
+        usn = self.username.get()
+        pwd = self.password.get()
+        if usn == "" or pwd == "":
+            messagebox.showerror("错误", "请输入账号或密码")
+        else:
+            if usn == "admin" and pwd == "123456":
+                messagebox.showinfo("提示", "登陆成功")
+                # 关闭登录窗口
+                self.page.destroy()
+                # 载入主窗口
+                MainPage(self.root)
+            else:
+                messagebox.showerror("错误", "账号或密码错误")
+
+
+if __name__ == '__main__':
+    root = tk.Tk()
+    LoginPage(root)
+    root.mainloop()