save project

my_app.py

 import tkinter
 
+with open('user.txt','r',encoding='utf-8')as f:
+    info = f.read() 
+
 def login_to_reg():    # 登录界面转注册界面
-    pass
+    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
+    app_reg.root.destroy()
+    global app_login
+    app_login = My_login()
+    app_login.show()
 
 def register():     # 注册验证
-    pass
+    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:
+        messapgebox.showwarning('错误','两次密码不一致！')
+    else:
+        users[name] = password1
+        content = json.dumps(users)
+        with open('user.text','w',encoding='utf-8') as file:
+            file.write(content)
+        messagebox.showinfo('成功','注册成功')
+        login_show()
 
 def login():    # 登录验证
     pass    
@@ -43,9 +65,9 @@ class My_login():       # 登录窗口
         button1 = tkinter.Button(self.root, text='登录', bg="lightblue",
                   fg="black", width=15, command=login)
         button1.place(x=60, y=220)
-        button1 = tkinter.Button(self.root, text='注册', bg="lightgreen",
+        button2 = tkinter.Button(self.root, text='注册', bg="lightgreen",
                   fg="black", width=15, command=login_to_reg)
-        button1.place(x=230, y=220)
+        button2.place(x=230, y=220)
         # 进入消息循环，监听事件
         self.root.mainloop()