save project

my_app.py

+import json
 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)
+    b=json.loads(info)
 
 def login_to_reg():   # 登录界面转注册界面
     app_login.root.destroy()
@@ -13,10 +12,10 @@ def login_to_reg():   # 登录界面转注册界面
     app_reg.show()
 
 def reg_to_login():   # 注册界面转登录界面
-    app_login.root.destroy()
-    global app_reg
-    app_reg = My_login()
-    app_reg.show()
+    app_reg.root.destroy()
+    global app_login
+    app_login = My_login()
+    app_login.show()
 
 
 def register():     # 注册验证
@@ -28,11 +27,19 @@ def register():     # 注册验证
     elif password1 != password2 :
         messagebox.showwarning('错误','两次密码不一致！')
     else:
-        users[name]=password1
+        b[name]=password1
+        a=json.dumps(users)
+        with open('user.txt','w',encoding='utf-8') as f1:
+            f1.write(a)
         messagebox.showinfo('成功','恭喜您注册成功')
+        reg_to_login()
 def login():    # 登录验证
-    pass    
-
+    name,password==app_login.get_input()
+    pwd=b.get(name)
+    if password==pwd :
+        messagebox.showinfo('成功','登录成功')
+    else:
+        messagebox.showwarning('错误','用户名或密码错误！')
 class My_login():       # 登录窗口
     def __init__(self):
         self.root = tkinter.Tk()

user.txt

-{"admin": "123456"}
\ No newline at end of file