save project

my_app.py

 import tkinter
 
-def login_to_reg():    # 登录界面转注册界面
-    pass
+def login_to_reg():
+    app_login.root.destroy()
+    global app_reg
+    app_reg=My_register()
+    app_reg.show()
 
-def reg_to_login():   # 注册界面转登录界面
-    pass
+def reg_to_login():
+    app_reg.root.destroy()
+    global app_login
+    app_login=My_login()
+    app_login.show()
 
-def register():     # 注册验证
-    pass
+def register():
+    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","用户名已经存在")
+    elif password1 != password2:
+        messagebox.showwarning("错误","两次密码不一样")
+    else:
+        users[name]=password1
+        content=json.dumps(users)    
+        with open("user.txt","w",encoding="utf_8") as file:
+            file.write(content)
+        messagebox.showinfor("成功","注册成功") 
+        login_show()  
 
-def login():    # 登录验证
+def login():
     pass
 
+   
+
 class My_login():       # 登录窗口
     def __init__(self):
         self.root = tkinter.Tk()