GUI 界面

# coding:utf-8
import wx
class MyFrame(wx.Frame):
    def __init__(self,parent,id):
        wx.Frame.__init__(self,parent,id,'用户登录',size=(400,300))
        #创建面板
        panel = wx.Panel(self)
        #创建“确定”和“取消”按钮，并绑定事件
        self.bt_confirm =wx.Button(panel,label='确定')
        self.bt_confirm.Bind(wx.EVT_BUTTON,self.OnclickSubmit)
        self.bt_cancel = wx.Button(panel,label='取消')
        self.bt_cancel.Bind(wx.EVT_BUTTON,self.OnclickCancel)
        self.title = wx.StaticText(panel,label="请输入用户名和密码")
        self.label_user = wx.StaticText(panel,label="用户名:")
        self.text_user = wx.TextCtrl(panel, style=wx.TE_LEFT)
        self.label_pwd = wx.StaticText(panel,label="密   码:")
        self.text_password = wx.TextCtrl(panel, style=wx.TE_PASSWORD)
        #添加容器，容器中控件横向排列
        hsizer_user = wx.BoxSizer(wx.HORIZONTAL)
        hsizer_user.Add(self.label_user,proportion=0,flag=wx.ALL,border=5)
        hsizer_user.Add(self.text_user,proportion=1,flag=wx.ALL,border=5)
        hsizer_pwd=wx.BoxSizer(wx.HORIZONTAL)
        hsizer_pwd.Add(self.label_pwd,proportion=0,flag=wx.ALL,border=5)
        hsizer_pwd.Add(self.text_password,proportion=1,flag=wx.ALL,border=5)
        hsizer_button = wx.BoxSizer(wx.HORIZONTAL)
        hsizer_button.Add(self.bt_confirm,proportion=0,flag=wx.ALIGN_CENTER,border=5)
        hsizer_button.Add(self.bt_cancel,proportion=0,flag=wx.ALIGN_CENTER,border=5)
        #添加容器，容器中的控件纵向排列
        vsizer_all=wx.BoxSizer(wx.VERTICAL)
        vsizer_all.Add(self.title,proportion=0,flag=wx.BOTTOM|wx.TOP|wx.ALIGN_CENTER,border=15)
        vsizer_all.Add(hsizer_user,proportion=0,flag=wx.EXPAND|wx.LEFT|wx.RIGHT,border=45)
        vsizer_all.Add(hsizer_pwd,proportion=0,flag=wx.EXPAND|wx.LEFT|wx.RIGHT,border=45)
        vsizer_all.Add(hsizer_button,proportion=0,flag=wx.ALIGN_CENTER|wx.TOP,border=15)
        panel.SetSizer(vsizer_all)

        
    def OnclickSubmit(self,event):
        '''单击确定按钮，执行方法'''
        message=""
        username=self.text_user.GetValue()
        password=self.text_password.GetValue()
        if username == "" or password == "" :
            message ='用户名或密码不能为空'
        elif username =='mr' and password =='mrsoft':
            message='登陆成功'
        else:
            message='用户名和密码不匹配'
        wx.MessageBox(message)
        
    def OnclickCancel(self,event):
        '''单机取消按钮，执行方法'''
        self.text_user.SetValue("")
        self.text_password.SetValue("")

if __name__ == '__main__':
    app = wx.App()
    frame =MyFrame(parent=None,id =-1)
    frame.Show()
    app.MainLoop()