save project

my_app.py

 import tkinter
 from tkinter import messagebox
 
-with open("user.txt","r",encoding="utf-8") as f:
+with open("user.txt","r",encoding="utf-8") as file:
         info = f.read()
         users = json.loads(info)
 
@@ -27,8 +27,18 @@ 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.wirte(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("错误","用户名或密码错误")
 
 class My_login():       # 登录窗口
     def __init__(self):