save project

my_app.py

 import tkinter
-form tkinter import messagebox
- with open("user.txt","r",encoding="utf-8",)as f:
-     info=f.read()
-     users=json.loads(info)
+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():    # 登录界面转注册界面
     app_login.root.destroy()
@@ -26,8 +27,18 @@ def register():     # 注册验证
         messagebox.showwarning("错误","两次密码不一致!")
     else:
         users[name]=password1
-def login():    # 登录验证
-    pass    
+        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
+    name,password=app_login.get_input()   
+    pwd=users.get(name)
+    if pwd ==password:
+        messagebox.showinfo("成功","登录成功")
+    else:
+        messagebox.showwarning("错误","用户名或密码错误!")
 
 class My_login():       # 登录窗口
     def __init__(self):