save project

my_app.py

 import tkinter
 import tkinter
+from tkinter import messagebox
+
+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
 def login_to_reg():    # 登录界面转注册界面
     app_login.root.destroy()
     app_login.root.destroy()
@@ -13,7 +18,19 @@ def reg_to_login():   # 注册界面转登录界面
     app_login.show()
     app_login.show()
 
 
 def register():     # 注册验证
 def register():     # 注册验证
-    pass
+    name,password1,password2 = app_reg.get_input()
+    if name == "" or password2 == "" or password1 == "":
+        messagebox.showwarning("警告","请填写完整的注册资料")
+    elif name in users:
+        messagebox.showwarning("错误", "用户名已存在！")
+    elif password1 != password2:
+        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.write(content)
+        messagebox.showinfo("成功", "注册成功")
 
 
 def login():    # 登录验证
 def login():    # 登录验证
     pass    
     pass