save project

my_app.py

 import tkinter
+from tkinter import messagebox
+import json
 
+with open("user.txt","r",encoding="utf-8") as file:
+    a=file.read()
+    toto=json.loads(a)
 def login_to_reg():    # 登录界面转注册界面
     app_login.root.destroy()
     global app_register
-    app_register=My_register()
+    app_register=My_register()    
     app_register.show()
 
 def reg_to_login():   # 注册界面转登录界面
@@ -12,8 +17,21 @@ def reg_to_login():   # 注册界面转登录界面
     app_login=My_login()
     app_login.show()
 def register():     # 注册验证
-    pass
-
+    name,password1,password2 = app_register.get_input()
+    if name=="" or password1=="" or password2=="":
+        messagebox.showwarning("错误","请填写完整注册信息！")
+    elif name in toto:
+        messagebox.showwarning("错误","该用户名已被注册！")
+    elif password1!=password2:
+        messagebox.showwarning("错误","两次密码不相符！")
+    else:
+        toto[name] = password1
+        cc = json.dumps(toto)
+        with open("user.txt","w",encoding='utf-8') as file:
+            file.write(cc)
+            
+        messagebox.showinfo("成功","注册成功")
+        reg_to_login()
 def login():    # 登录验证
     pass
 
@@ -58,6 +76,7 @@ class My_login():       # 登录窗口
         self.name = self.e1.get()
         self.password = self.e2.get()
         return self.name, self.password
+        
 
 class My_register():        # 注册窗口
     def __init__(self):

user.txt

-{"admin": "123456"}
\ No newline at end of file
+{"admin": "123456", "23232323": "2323", "1111": "1111", "111": "111", "23333": "1111", "333333332": "2222"}
\ No newline at end of file