class Myframe(wx.Frame):

    def __init__(self,parent,id):

        wx.Frame.__init__(self,parent,id,'用户登录',size=(400,400))

        panel = wx.Panel(self)

        # 添加容器

        #vsizer = wx.BoxSizer(wx.VERTICAL)

        #vsizer.Add(self.title,proportion=0,flag=wx.BOTTOM|wx.TOP|wx.ALIGN_CENTER,border = 20)

        #panel.SetSizer(vsizer)

        self.bt_confirm = wx.Button(panel,label='确认',)  #1

        self.bt_confirm.Bind(wx.EVT_BUTTON,self.OnclickSubmit)#绑定确认事件

        self.bt_cancel = wx.Button(panel,label='取消',)   #2

        self.bt_cancel.Bind(wx.EVT_BUTTON,self.OnclickCancel)#绑定取消事件

        self.title = wx.StaticText(panel,label="用户名和密码") #3

        self.lable_user=wx.StaticText(panel,label='用户名：')#4

        self.text_user=wx.TextCtrl(panel,style=wx.TE_LEFT) #5

        self.lable_pwd=wx.StaticText(panel,label='密   码：') #6

        self.text_pwd=wx.TextCtrl(panel,style=wx.TE_PASSWORD) #7

报错：

  File "C:/Users/Administrator/AppData/Local/Programs/Python/Python37/GUI框架.py", line 28, in __init__

    self.bt_confirm.Bind(wx.EVT_BUTTON,self.OnclickSubmit)#绑定确认事件

AttributeError: 'Myframe' object has no attribute 'OnclickSubmit'