模拟post或get请求，从服务器取得数据

def __init__(self):
        wx.Frame.__init__(self,None,-1,"Example For TextCtrl",size=(600,500))
        self.panel=wx.Panel(self,-1)
        self.url=wx.TextCtrl(self.panel,-1,"",size=(390,-1))
        self.url.SetInsertionPoint(0)
        self.param1=wx.StaticText(self.panel,-1,"param:")
        self.pvalue1=wx.TextCtrl(self.panel,-1,"",size=(175,-1))
        self.pvalue1.SetInsertionPoint(0)
        self.value=wx.StaticText(self.panel,-1,"value:")
        self.value1=wx.TextCtrl(self.panel,-1,"",size=(175,-1))
        self.value1.SetInsertionPoint(0)
        self.sub=wx.Button(self.panel,-1,u"提交")
        self.Bind(wx.EVT_BUTTON,self.OnClick,self.sub)
        self.param2=wx.StaticText(self.panel,-1,"param:")
        self.pvalue2=wx.TextCtrl(self.panel,-1,"",size=(175,-1))
        self.pvalue2.SetInsertionPoint(0)
        self.nvalue2=wx.StaticText(self.panel,-1,"value:")
        self.value2=wx.TextCtrl(self.panel,-1,"",size=(175,-1))
        self.value2.SetInsertionPoint(0)
        self.result=wx.StaticText(self.panel,-1,"result:")
        self.json=wx.TextCtrl(self.panel,-1,"",size=(400,300),style=wx.TE_MULTILINE|wx.TE_RICH2)
        self.json.SetInsertionPoint(0)

        self.copy=wx.Button(self.panel,-1,u"复制到剪切板")
        self.Bind(wx.EVT_BUTTON,self.Copy,self.copy)
        sizer=wx.GridBagSizer(5, 5)

        sizer.Add(wx.StaticText(self.panel,-1,"URL:"),pos=(0,0),flag=wx.LEFT | wx.TOP)
        sizer.Add(self.url,pos=(0,1),span=(1,3))
        sizer.Add(self.param1,pos=(1,0))
        sizer.Add(self.pvalue1,pos=(1,1))
        sizer.Add(self.value,pos=(1,2))
        sizer.Add(self.value1,pos=(1,3))
        sizer.Add(self.sub,pos=(0,4))
        sizer.Add(self.param2,pos=(2,0))
        sizer.Add(self.pvalue2,pos=(2,1))
        sizer.Add(self.nvalue2,pos=(2,2))
        sizer.Add(self.value2,pos=(2,3))

        sizer.Add(self.result,pos=(3,0))
        sizer.Add(self.json,pos=(3,1),span=(3,3))
        sizer.Add(self.copy,pos=(3,4))
        self.panel.SetSizer(sizer)