save project

read_csv.py

 import tkinter
 import tkinter
-def login_to_reg():
-    app_login.root.destroy()
+from tkinter import messagebox
+import json
+with open("user.txt","r"encoding="utf-8") as f:
+    info = f.read()
+    users = json.loads(info)
     global app_reg
     global app_reg
     app_reg=my_register()
     app_reg=my_register()
     app_reg.show()
     app_reg.show()
@@ -9,5 +12,22 @@ def reg_to_login():
     global app_login
     global app_login
     app_login=my_login()
     app_login=my_login()
     app_login.show()
     app_login.show()
+def register():
+    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 !=passwort2:
+        messagebox.showwarning("错误","两次密码不一致")
+    else:
+        users[name] = password1
+        content = json.dumps(users)
+        with open("user.txt","r"encoding="utf-8") as file:
+            file.write(content)
+        messagebox.showinfo("成功","注册成功")
+        login_show()
+        
+        
 
 
     
     
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