save project

my_app.py

@@ -30,17 +30,23 @@ def register():     # 注册验证
         with open("user.txt",'w',encoding='utf-8') as f:
             f.write(content)
         reg_to_login()
+
 def login():    # 登录验证
     name,password = app_login.get_input()
     pwd = users.get(name)
     result = str(users)
+    if n > 0:
         if name in result:
             if pwd == password:
                 messagebox.showinfo("提示",'登陆成功')
             else:
-            messagebox.showwarning('警告','密码错误')
+                n=n-1
+                messagebox.showwarning('警告','密码错误','还剩'+str(n)+'次机会')
+        else:
+            n = n-1
+            messagebox.showwarning('警告','用户名错误','还剩'+str(n)+'次机会')
     else:
-        messagebox.showwarning('警告','用户名错误')
+        messagebox.showwarning('警告',"次数用尽")
 class My_login():       # 登录窗口
     def __init__(self):
         self.root = tkinter.Tk()