auto save

my_app.py

 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)
@@ -17,7 +17,6 @@ def reg_to_login():   # 注册界面转登录界面
     global app_login
     app_login= My_login()
     app_login.show()
-
 def register():     # 注册验证
     name,password1,password2 = app_reg.get_input()
     if name =="" or password1==""or password2=="":
@@ -28,6 +27,11 @@ def register():     # 注册验证
         messagebox.showwarning('错误','两次密码不一致！')
     else:
         users[name] = password1  
+        content = json.dumps(users)    
+        with open('user.txt','w',encoding='utf-8') as file:
+            file.write(content)
+        messagebox.showinfo('成功','注册成功')    
+        reg_to_login()      
 
 
 def login():    # 登录验证

user.txt

-{"admin": "123456"}
\ No newline at end of file
+{"admin": "123456", "11111": "222"}
\ No newline at end of file