auto save

my_app.py

 import tkinter
 import tkinter
+from tkinter import messagebox  
+import json
+with open("user.txt",'r',encoding='utf-8')as f:
+    info=f.read()
+    users=json.loads(info)
+     
+    
+
+
 
 
 def login_to_reg():    # 登录界面转注册界面
 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
 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
 def register():     # 注册验证
-    pass
+    name,mima,qrmm=app_reg.get_input()
+    if name=="" or mima=="" or qrmm=="":
+        messagebox.showwarning("提示","输入的信息不完整")
+    elif name in users:
+        messagebox.showwarning("提示","用户名重复")
+    elif mima !=qrmm:
+        messagebox.showwarning("提示","密码错误")
+    else:
+        users[name]=mima
+        center=json.dumps(users)
+        with open("user.txt","w",encoding='utf-8') as f:
+            f.write(center)
+        messagebox.showwarning("提示","注册成功")
+        reg_to_login()        
+            
 
 
 def login():    # 登录验证
 def login():    # 登录验证
-    pass    
-
+    yhm,dlmm=app_login.get_input()
+    pwd=users[yhm]
+    if pwd==dlmm:
+        messagebox.showwarning("成功","登陆成功")
+    else:
+        messagebox.showwarning("失败","登陆失败")    
 class My_login():       # 登录窗口
 class My_login():       # 登录窗口
     def __init__(self):
     def __init__(self):
         self.root = tkinter.Tk()
         self.root = tkinter.Tk()