save project

my_app.py

 import tkinter
+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()
@@ -10,9 +16,24 @@ def reg_to_login():   # 注册界面转登录界面
     global app_login
     app_login = My_login()
     app_login.show()
-def register():     # 注册验证
-    pass
 
+
+def register():     # 注册验证
+    name,password1,password2 = app_reg.get_input()
+    if name ==""or password1 =="" or password2=="":
+        messagebox.showwarning("警告","请输入完整的注册资料")
+    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')
+        login_show()
 def login():    # 登录验证
     pass