save project

my_app.py

 import tkinter
+from tkinter import messagebox
+import json
+
+with open("user.txt","r",encoding="utf-8")as file:
+    info=file.read()
+    users=json.loads(info)
 
 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,请填写完整信息")
+    elif name in users:
+        messagebox.showwarning("警告,用户名存在")
+    elif name in users:
+        messagebox.showwarning("警告,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("注册成功！")
+        reg_to_login()
 
 def login():    # 登录验证
-    pass    
-
+    name,password=app_login.get_input()   
+    pwd=users.get(name) 
+    if pwd==password:
+        messagebox.showinfo("登录成功")
+    else:
+        messagebox.showerror("登录失败")
 class My_login():       # 登录窗口
     def __init__(self):
         self.root = tkinter.Tk()

user.txt

-{"admin": "123456"}
\ No newline at end of file
+{"admin": "123456", "\u4e07\u79d1\u7ecf\u7eaa": "2877"}
\ No newline at end of file