save project

my_app.py

+import json
 import tkinter
 import tkinter
+from tkinter import messagebox
+
+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
 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
 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
 def register():     # 注册验证
-    pass
-
+    name,password1,password2 = app_reg.get_input()
+    if name == "" or password1=="" or password2=="":
+        messagebox.showwarning("警告","请填写完整的注册资料")
+    elif name in users:
+        messagebox.showwarning("错误","用户名已经存在！")
+    elif password1 !=password2:
+        messagebox.showwarning("错误","两次密码不一致")
+    else:
+        users[name] = password1 
+     
 def login():    # 登录验证
 def login():    # 登录验证
     pass    
     pass    
 
 
@@ -27,7 +47,7 @@ class My_login():       # 登录窗口
         l = tkinter.Label(self.root, text='用户名：', font=("宋体", 12),
         l = tkinter.Label(self.root, text='用户名：', font=("宋体", 12),
             fg="black")
             fg="black")
         l.place(x=50, y=80)
         l.place(x=50, y=80)
-        l = tkinter.Label(self.root, text='密  码：', font=("宋体", 12), 
+        l = tkinter.Label(self.root, text='密码：', font=("宋体", 12), 
             fg="black")
             fg="black")
         l.place(x=50, y=140)
         l.place(x=50, y=140)