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()
     global app_reg
@@ -13,7 +17,15 @@ def reg_to_login():   # 注册界面转登录界面
     app_reg.show()
 
 def register():     # 注册验证
-    pass
+    name,password1,password2=app_reg.get_input()
+    if name=="" or password1=="" or password2=="":
+        messagebox.showwarning("请填写完整的注册信息")
+    elif name in user:
+        messagebox.showwarning("用户名已存在")
+    elif password2 !=password2:
+        messagebox.showwarning("两次密码输入不一致")
+        else:
+            user[name]=password1
 
 def login():    # 登录验证
     pass