auto save

demo.py

+dict = {1,2,34,5}
+cont = eval(dict)
+print(cont)
\ No newline at end of file

my_app.py

 import tkinter
+from tkinter import messagebox
+import json
+import ast
 
+with open('user.txt','r',encoding='utf-8')as file:
+    info = file.read()
+    # users = json.loads(info)
+    users = ast.literal_eval(info)
+    
 def login_to_reg():    # 登录界面转注册界面
-    pass
+    app_login.root.destroy()
+    global app_reg
+    app_reg = My_register()
+    app_reg.show()
 
 def reg_to_login():   # 注册界面转登录界面
-    pass
+    app_reg.root.destroy()
+    global app_login
+    app_login = My_login()
+    app_login.show()
 
 def register():     # 注册验证
-    pass
+    name , password1 , password2 = app_reg.get_input()
+    if name == '' or password1== '' or password2 == '':
+        messagebox.showwarning('警告','填写不完整')
+    elif name in users:
+        messagebox.showwarning('警告','账号已存在')
+    elif password1 != password2:
+        messagebox.showwarning('警告','两次密码不一致')
+    else:
+        users[name] = password1
+        content = str(users)
+        with open('user.txt','w',encoding='utf-8')as file:
+            file.write(content)
+        messagebox.showinfo('成功','注册成功')
+        reg_to_login()
 
 def login():    # 登录验证
-    pass    
-
+    name , password = app_login.get_input()    
+    paw = users.get(name)
+    if paw == password:
+        messagebox.showinfo('成功','登陆成功')
+    else:
+        messagebox.showerror('失败','登录失败')
 class My_login():       # 登录窗口
     def __init__(self):
         self.root = tkinter.Tk()

user.txt

-{"admin": "123456"}
\ No newline at end of file
+{'admin': '123456', 'python': '123', 'li': '123'}
\ No newline at end of file