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()
+    user=json.loads(info)
+    
 def login_to_reg():    # 登录界面转注册界面
     app_login.root.destroy()
     global app_reg
@@ -13,8 +18,20 @@ def reg_to_login():   # 注册界面转登录界面
     app_login.show()
 
 def register():     # 注册验证
-    pass
-
+    name1,password1,password2=app_reg.get_input()
+    if name1=="" or password1=="" or password2=="":
+        messagebox.showwarning("警告","请输入正确的数据")
+    elif name1 in user:
+        messagebox.showwarning("警告","用户名输入重复")
+    elif password1!=password2:
+        messagebox.showwarning("警告","第二次密码输入错误")
+    else:
+        user[name1]=password1
+        c=json.dumps(user)
+        with open("user.txt","w",encoding="utf-8")as f:
+            f.write(c)
+        messagebox.showinfo("成功","注册成功")
+        login_show()
 def login():    # 登录验证
     pass    
 

user.txt

-{"admin": "123456"}
\ No newline at end of file
+{"admin": "123456", "12": "123", "1": "123"}
\ No newline at end of file