save project

my_app.py

@@ -2,7 +2,7 @@ import tkinter
 from tkinter import messagebox
 
 def login_to_reg():    # 登录界面转注册界面
-    app_reg.root.destroy()
+    app_login.root.destroy()
     global app_reg
     app_reg=My_register()
     app_reg.show()
@@ -23,8 +23,18 @@ def register():     # 注册验证
         messagebox.showwarning('ERROR','The two passwords are inconsistent')
     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
-    pass    
+    name, password=app_login.get_input()
+    pwd=users.get(name)
+    if pwd==password:
+        messagebox.showinfo('成功','登录成功')
+    else:
+        messagebox.showwarning('ERROR','用户名或密码错误')
 
 class My_login():       # 登录窗口
     def __init__(self):