save project

my_app.py

 import tkinter
+from tkinter import messagebox
+import json
+
+with open('user.txt','r',encoding = 'utf-8') as f:
+    info = f.read()
+    users = json.loads(info)
 
 def login_to_reg():    # 登录界面转注册界面
     app_login.root.destroy()
@@ -13,10 +19,28 @@ def reg_to_login():   # 注册界面转登录界面
     app_login.show()
 
 def register():     # 注册验证
-    pass
+    name,password1,password2 = app_reg.get_input()
+    if name == '' or password2 == '' or password1 == '':
+        messagebox.showwarning('警告','请填写完整的注册资料!')
+    elif name in users:
+        messagebox.showerror('错误','用户名已经存在!')
+    elif password1 != password2:
+        messagebox.showerror('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
-    pass    
+    name,password = app_login.get_input()
+    pwd = users.get(name)
+    if pwd == password:
+        messagebox.showinfo('成功','登录成功!')
+    else:
+        messagebox.showerror('错误','用户名或密码错误!')
 
 class My_login():       # 登录窗口
     def __init__(self):

user.txt

-{"admin": "123456"}
\ No newline at end of file
+{"admin": "123456", "qwe": "123"}
\ No newline at end of file