save project

my_app.py

@@ -3,6 +3,11 @@ 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()
     global app_reg
@@ -16,7 +21,20 @@ def reg_to_login():   # 注册界面转登录界面
     app_login.show()
 
 def register():     # 注册验证
-    app_reg
+    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:
+        messagebox.showwarning("错误","用户名已存在")
+    elif name in users:
+        messagebox.showwarning("警告","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")
+        locgin_show()
 
 def login():    # 登录验证
     pass