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()
+    user=json.loads(info)
 def login_to_reg():    # 登录界面转注册界面
     app_login.root.destroy()
     global app_reg
@@ -13,7 +17,15 @@ def reg_to_login():   # 注册界面转登录界面
     app_login.show()
 
 def register():     # 注册验证
-    pass
+    name,password1,password2=app_reg.get_input()
+    if name==''or password1=='' or password2=='':
+        massagebox.showwarning('警告，输入完整信息有误')
+    elif name in user:
+        messagebox.showwarning('名字重复')
+    elif password1!=password2:
+        messagebox.showwarning('两次输入密码不一致')
+    else:
+        user[name]=password1
 
 def login():    # 登录验证
     pass