save project

my_app.py

 import tkinter
-with open('user.txt','r',encoding='utf-8') as f:
-    info=f.read()
-    users=json.loads(info)
+#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
     app_login.root.destroy()
     global app_reg
@@ -10,7 +10,7 @@ def login_to_reg():    # 登录界面转注册界面
 
 def reg_to_login():   # 注册界面转登录界面
     app_reg.root.destroy()
-    global app_reg
+    global app_login
     app_login=My_register()
     app_login.show()
 
@@ -22,7 +22,14 @@ def register():     # 注册验证
         messagebox.showwarning('错误','已存在')
     elif password1 != password2:
         messagebox.showwarning('错误','不一致')
-    el
+    else:
+        users[name]=password1
+        content=json.dumps(urers)
+        with open('user.txt','r',encoding='utf-8') as file:
+            file.write(content)
+        messagebox.showwarning('成功')
+        login_show()
+
     
 
 def login():    # 登录验证