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()
@@ -13,13 +18,18 @@ def reg_to_login():   # 注册界面转登录界面
     app_login.show()
 
 def register():     # 注册验证
-    
-    
-
-
+    name,password1,password2=app_reg.get_input()
+    if name=='' or password1=='' or password2=='':
+        messagebox.showwarning('警告','请填写完整的注册资料')
+    elif name in users:
+        massagebox.showwarning('错误','用户名已经存在!')
+    elif password1 !=password2:
+        messagebox.showwarning('错误','两次密码不一致!')
+    else:
+        users[name]=password1
 
 def login():    # 登录验证
-
+    pass