save project

my_app.py

 import tkinter
 import tkinter
-
+ with open('user.txt','w',encoding='utf-8')as file:
 def login_to_reg():    # 登录界面转注册界面
 def login_to_reg():    # 登录界面转注册界面
-    My_login.root.destroy()
-    app_login.show()
+    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():   # 注册界面转登录界
+    app_reg.root.destroy()
+    global app_login
+    app_login=My_login()
+    app_login.show()
 
 
 def register():     # 注册验证
 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',"用户名已存在！")
+    elif password1 != password2:
+        messagebox.showwarning('错误',"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")
+        reg_to_login()
 
 
 def login():    # 登录验证
 def login():    # 登录验证
     pass    
     pass