auto save

1.py

+import csv
+data = ['语文','数学','英语']
+with open('scores.csv','w',encoding='utf-8')as csvfile:
+    writer= csv.writer(csvfile)
+    writer.writerow(data)
\ No newline at end of file

my_app.py

 import tkinter
+import json
+from tkinter import messagebox
 
+with open('user.txt','r',encoding='utf-8')as f:
+    info = f.read()
+    user = json.loads(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，请输入完整的信息')
+    elif name in user:
+        messagebox.showwarning('账户已存在')
+    elif password1 != password2:
+        messagebox.showwarning('密码输入不一致')
+    else:
+        user[name] = password1
+        content = json.dumps(user)
+        with open('user.txt','w',encoding = 'utf-8')as file:
+            file.write(content)
+        messagebox.showinfo('注册成功')
+        reg_to_login()
 def login():    # 登录验证
     pass    
 

scores.csv

+语文,数学,英语

user.txt

-{"admin": "123456"}
\ No newline at end of file
+{"admin": "123456", "12": "111"}
\ No newline at end of file