save project

my_app.py

 import tkinter
+from tkinter import messagebox
+import json
+with open("user.txt","r",encoding="utf_8") as file:
+    into = file.read()
+    users = json.loads(into)
 
-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
+    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","输入框不能为空！")
+    elif name in users:
+        messagebox.showinfo("提示","名称已存在！")
+    elif password1 != password2:
+        messagebox.showerror("错误","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("提示","登录完成")
 def login():    # 登录验证
-    pass    
+    name,password =app_login.get_input()    
+    pwd = users.get(name)
+    if pwd == name:
+        messagebox.showinfo("成功","登录完成")
+    else:
+        messagebox.showwarning("错误","用户或密码不存在")
 
 class My_login():       # 登录窗口
     def __init__(self):

user.txt

-{"admin": "123456"}
\ No newline at end of file
+{"admin": "123456", "\u7530\u6240\u6d69\u4e8c": "114514"}
\ No newline at end of file