save project

my_app.py

 import tkinter
+import json
+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
     app_login.root.destroy()
@@ -15,7 +21,16 @@ def reg_to_login():   # 注册界面转登录界面
 
 def register():     # 注册验证
     name,password1,password2=app_register.get_input()
-    print(name,password1,password2)
+    if name=='' or password1=="" or password2=='':
+        messagebox.showwarning('警告','请输入完整信息')
+    elif name in users:
+        messagebox.showwarning('警告','用户名已被注册')
+    elif password1 != password2:
+        messagebox.showwarning('警告','密码输入不一致')
+    else:
+        users[name]=password1
+        messagebox.showinfo('提示','注册成功')
+        reg_to_login()
 
 def login():    # 登录验证
     pass