first commit

LoginPage.py

@@ -0,0 +1,52 @@
+import tkinter as tk
+from tkinter import messagebox
+from  db import db
+from MinaPage import MianPage
+
+class LoginPage:
+    def __init__(self,master):
+        self.root = master
+        self.root.geometry('300x180')
+        self.root.title('登陆页')
+
+        self.usename = tk.StringVar()
+        self.password = tk.StringVar()
+
+
+        self.page = tk.Frame(root)
+        self.page.pack()
+
+        tk.Label(self.page).grid(row=0, column=0)
+
+        tk.Label(self.page,text='账户').grid(row=1, column=1)
+        tk.Entry(self.page,textvariable=self.usename).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='登录',command=self.login).grid(row=3, column=1,pady=10)
+        tk.Button(self.page,text='退出',command=self.page.quit).grid(row=3, column=2)
+
+
+
+    def login(self):
+        name = self.usename.get()
+        pwd = self.password.get()
+        flag, message = db.check_login(name, pwd)
+        if flag:
+            self.page.destroy()
+            MianPage(self.root)
+        else:
+            messagebox.showwarning(title='警告',message=message)
+        print(name, pwd)
+
+
+
+if __name__ == '__main__':
+    root = tk.Tk()
+    LoginPage(master=root)
+    root.mainloop()