save project

my_app.py

 import tkinter
-
-def login_to_reg():    # 登录界面转注册界面
-    pass
+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():
+    app_login.root.destroy()
+    global app_reg
+    app_reg=My_register()    # 登录界面转注册界面
+    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(): 
+    name,password1,password2=app_reg.get_input()   # 注册验证
+    if name==''or password1==''or password2=='':
+        messagebox.showwarning('警告','请填写资料')
+    elif name in users:
+        messagebox.showwarning('错误','用户名已存在')
+    elif password1 != password2:
+        messagebox.showwarning('错误','密码不一致')    
+    else:
+        users[name]=password1
+        content=json.dumps(users)
+        with open('user.txt','w',encoding='utf-8' ) as file:
+            file.write(content)
+        messagebox.showinfo('注册','注册成功') 
+        reg_to_login()
 
-def register():     # 注册验证
-    pass
+def login():  
+    name,password=app_login.get_input()
+    pwd=users.get(name)
+    if pwd==password:
+        messagebox.showinfo('登陆','登录成功')
+    else:
+        messagebox.showwarning('错误','密码错误')     # 登录验证
 
-def login():    # 登录验证
-    pass    
 
 class My_login():       # 登录窗口
     def __init__(self):

user.txt

-{"admin": "123456"}
\ No newline at end of file
+{"admin": "123456", "l": "689", "m": "1234"}
\ No newline at end of file