Tiknter例子3

发布时间：2019-08-28 09:07:10编辑：auto阅读（1623）

1.两个子类，重定向输出




运行效果：



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代码部分：

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#!/usr/bin/env python
#coding=utf-8
import wx
import sys

class Frame(wx.Frame):

    def __init__(self, parent, id, title,size):
        print "Frame __init__"
        wx.Frame.__init__(self, parent, id, title,size)

class App(wx.App):

    def __init__(self, redirect=True, filename=None):
        print "App __init__"
        wx.App.__init__(self, redirect, filename)

    def OnInit(self):
        print "OnInit"    #输出到stdout
        self.frame = Frame(parent=None, id=-1, title='Startup',size=(400,100))  #创建框架
        self.frame.Show()
        self.SetTopWindow(self.frame)
        print    sys.stderr, "A pretend error message"    #输出到stderr
        return True

    def OnExit(self):
        print "OnExit"

if __name__ == '__main__':
    app = App(redirect=True) #1 文本重定向从这开始
    print "before MainLoop"
    app.MainLoop()  #2 进入主事件循环
    print "after MainLoop"




2.单个图像建立在frame上




运行效果：



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代码部分：

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#!/usr/bin/env python

"""Hello, wxPython! program."""

import wx


class Frame(wx.Frame):   #2 wx.Frame子类
    """Frame class that displays an p_w_picpath."""

    def __init__(self, p_w_picpath, parent=None, id=-1,
                 pos=wx.DefaultPosition,
                 title='Hello, wxPython!'): #3图像参数
        """Create a Frame instance and display p_w_picpath."""
#4 显示图像
        temp = p_w_picpath.ConvertToBitmap()
        size = temp.GetWidth(), temp.GetHeight()
        wx.Frame.__init__(self, parent, id, title, pos, size)
        self.bmp = wx.StaticBitmap(parent=self, bitmap=temp)

class App(wx.App):  #5 wx.App子类
    """Application class."""

    def OnInit(self):
#6 图像处理
        p_w_picpath = wx.Image('pop.jpg', wx.BITMAP_TYPE_JPEG)
        self.frame = Frame(p_w_picpath)

        self.frame.Show()
        self.SetTopWindow(self.frame)
        return True

def main():  #7
    app = App()
    app.MainLoop()

if __name__ == '__main__':
     main()




3.多个图像（wx.FlexGridSizer）建立在panel上




运行效果：



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代码部分：

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#coding=utf-8
import wx

filenames = ["D:\pop.jpg", "D:\pop.png" ]

class TestFrame(wx.Frame):
    def __init__(self):
        wx.Frame.__init__(self, None, title="Loading Images")
        p = wx.Panel(self)

        fgs = wx.FlexGridSizer(cols=2, hgap=10, vgap=10)
        for name in filenames:
            #1 从文件载入图像
            img1 = wx.Image(name, wx.BITMAP_TYPE_ANY)

            # Scale the oiginal to another wx.Image
            w = img1.GetWidth()
            h = img1.GetHeight()
            img2 = img1.Scale(w/2, h/2)#2 缩小图像

            #3 转换它们为静态位图部件
            sb1 = wx.StaticBitmap(p, -1, wx.BitmapFromImage(img1))
            sb2 = wx.StaticBitmap(p, -1, wx.BitmapFromImage(img2))

            # and put them into the sizer
            fgs.Add(sb1)
            fgs.Add(sb2)

        p.SetSizerAndFit(fgs)
        self.Fit()


app = wx.PySimpleApp()
frm = TestFrame()
frm.Show()
app.MainLoop()




3.工具栏




运行效果：



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代码部分：

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#!/usr/bin/env python
# FileName: toolbar.py
import wx
import wx.py.p_w_picpaths as p_w_picpaths

class MyToolBar( wx.Frame ):
    def __init__( self, parent, ID, title ):
        wx.Frame.__init__( self, parent, ID, title, wx.DefaultPosition, wx.Size( 350, 250 ) )

        vbox = wx.BoxSizer( wx.VERTICAL )
        toolbar = wx.ToolBar( self, -1, style=wx.TB_HORIZONTAL | wx.NO_BORDER )
        toolbar.AddSimpleTool( 1, p_w_picpaths.getPyBitmap(), 'New', '' )
        toolbar.AddSimpleTool( 2, p_w_picpaths.getPyBitmap(), 'Opne', '' )
        toolbar.AddSimpleTool( 3, p_w_picpaths.getPyBitmap(), 'Save', '' )
        toolbar.AddSeparator()
        toolbar.AddSimpleTool( 4, p_w_picpaths.getPyBitmap(), 'Exit', '' )
        toolbar.Realize()

        vbox.Add( toolbar, 0, border=5 )
        self.SetSizer( vbox )
        self.statusbar = self.CreateStatusBar()

        self.Centre()

        wx.EVT_TOOL( self, 1, self.OnNew )
        wx.EVT_TOOL( self, 2, self.OnOpen )
        wx.EVT_TOOL( self, 3, self.OnSave )
        wx.EVT_TOOL( self, 4, self.OnExit )

    def OnNew( self, event ):
        self.statusbar.SetStatusText( 'New Command' )

    def OnOpen( self, event ):
        self.statusbar.SetStatusText( 'Open Command' )

    def OnSave( self, event ):
        self.statusbar.SetStatusText( 'Save Command' )

    def OnExit( self, event ):
        self.Close()

class MyApp( wx.App ):
    def OnInit(self):
        frame = MyToolBar( None, -1, ' toolbar.py' )
        frame.Show( True )
        return True

app = MyApp( 0 )
app.MainLoop()




4.添加一个工具栏到sketch应用程序




运行效果：



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代码部分：

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import wx
from example1 import SketchWindow
import wx.py.p_w_picpaths as p_w_picpaths

#img1 = ["D:\book.png" ]

class SketchFrame(wx.Frame):
    def __init__(self, parent):
        wx.Frame.__init__(self, parent, -1, "Sketch Frame",
                size=(800,600))
        self.sketch = SketchWindow(self, -1)
        self.sketch.Bind(wx.EVT_MOTION, self.OnSketchMotion)
        self.initStatusBar() #1 这里因重构有点变化
        self.createMenuBar()
        self.createToolBar()
        #self.createSimpleTool()

    def initStatusBar(self):
        self.statusbar = self.CreateStatusBar()
        self.statusbar.SetFieldsCount(3)
        self.statusbar.SetStatusWidths([-1, -2,-3])

    def OnSketchMotion(self, event):
        self.statusbar.SetStatusText("Pos: %s" %
                str(event.GetPositionTuple()), 0)
        self.statusbar.SetStatusText("Current Pts: %s" %
                len(self.sketch.curLine), 1)
        self.statusbar.SetStatusText("Line Count: %s" %
                len(self.sketch.lines), 2)
        event.Skip()

    def menuData(self): #2 菜单数据
        return [(" 菜单", (
                    (" New", "New Sketch file", self.OnNew),
                    (" Open", "Open sketch file", self.OnOpen),
                    (" Save", "Save sketch file", self.OnSave),
                    ("", "", ""),
                    ("abc ", (
                        ("dragon1 ", "", self.OnColor,
                           wx.ITEM_RADIO),
                        ("dragon2 ", "", self.OnColor,
                           wx.ITEM_RADIO),
                        ("dragon3 ", "", self.OnColor,
                           wx.ITEM_RADIO),
                        ("dragon4 ", "", self.OnColor,
                           wx.ITEM_RADIO))),
                    ("", "", ""),
                    (" Quit", "Quit", self.OnCloseWindow)))]

    def createMenuBar(self):
        menuBar = wx.MenuBar()
        for eachMenuData in self.menuData():
            menuLabel = eachMenuData[0]
            menuItems = eachMenuData[1]
            menuBar.Append(self.createMenu(menuItems), menuLabel)
        self.SetMenuBar(menuBar)

    def createMenu(self, menuData):
        menu = wx.Menu()
#3 创建子菜单
        for eachItem in menuData:
            if len(eachItem) == 2:
                label = eachItem[0]
                subMenu = self.createMenu(eachItem[1])
                menu.AppendMenu(wx.NewId(), label, subMenu)

            else:
                self.createMenuItem(menu, *eachItem)
        return menu

    def createMenuItem(self, menu, label, status, handler,
                       kind=wx.ITEM_NORMAL):
        if not label:
            menu.AppendSeparator()
            return
        menuItem = menu.Append(-1, label, status, kind)#4 使用kind创建菜单项
        self.Bind(wx.EVT_MENU, handler, menuItem)

    def OnNew(self, event): pass
    def OnOpen(self, event): pass
    def OnSave(self, event): pass

    def OnColor(self, event):#5 处理颜色的改变
        menubar = self.GetMenuBar()
        itemId = event.GetId()
        item = menubar.FindItemById(itemId)
        color = item.GetLabel()
        self.sketch.SetColor(color)

    def OnCloseWindow(self, event):
        self.Destroy()


    def createToolBar(self):#1创建工具栏
        toolbar = self.CreateToolBar()
        for each in self.toolbarData():
                self.createSimpleTool(toolbar, *each)
                toolbar.AddSeparator()
        for each in self.toolbarColorData():
                self.createColorTool(toolbar, each)
                toolbar.Realize()#2 显现工具栏

    def createSimpleTool(self, toolbar, label, filename,help, handler):#3 创建常规工具
        if not label:
                toolbar.AddSeparator()
                return
        bmp = p_w_picpaths.getPyBitmap()
        tool = toolbar.AddSimpleTool(-1, bmp, label, help)
        self.Bind(wx.EVT_MENU, handler, tool)

    def toolbarData(self):
        
        return (("New", "a", "Create new sketch",self.OnNew),
                ("", "", "", ""),
                ("Open", "b", "Open existing sketch",self.OnOpen),
                ("Save", "c", "Save existing sketch",self.OnSave))

    def createColorTool(self, toolbar, color):#4 创建颜色工具
        bmp = self.MakeBitmap(color)
        newId = wx.NewId()
        tool = toolbar.AddRadioTool(-1, bmp, shortHelp=color)
        self.Bind(wx.EVT_MENU, self.OnColor, tool)

    def MakeBitmap(self, color):#5 创建纯色的位图
        bmp = wx.EmptyBitmap(16, 15)
        dc = wx.MemoryDC()
        dc.SelectObject(bmp)
        dc.SetBackground(wx.Brush(color))
        dc.Clear()
        dc.SelectObject(wx.NullBitmap)
        return bmp

    def toolbarColorData(self):
        return ("Black", "Red", "Green", "Blue")

    def OnColor(self, event):#6 改变画笔颜色以响应工具栏的敲击
        menubar = self.GetMenuBar()
        itemId = event.GetId()
        item = menubar.FindItemById(itemId)
        if not item:
            toolbar = self.GetToolBar()
            item = toolbar.FindById(itemId)
            color = item.GetShortHelp()
        else:
            color = item.GetLabel()
            self.sketch.SetColor(color)



if __name__ == '__main__':
    app = wx.PySimpleApp()
    frame = SketchFrame(None)
    frame.Show(True)
    app.MainLoop()

附件：example1

#coding=utf-8
import wx

class SketchWindow(wx.Window):
    def __init__(self, parent, ID):
        wx.Window.__init__(self, parent, ID)
        self.SetBackgroundColour("White")
        self.color = "Black"
        self.thickness = 1
        self.pen = wx.Pen(self.color, self.thickness, wx.SOLID)#1 创建一个wx.Pen对象
        self.lines = []
        self.curLine = []
        self.pos = (0, 0)
        self.InitBuffer()

#2 连接事件
        self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown)
        self.Bind(wx.EVT_LEFT_UP, self.OnLeftUp)
        self.Bind(wx.EVT_MOTION, self.OnMotion)
        self.Bind(wx.EVT_SIZE, self.OnSize)
        self.Bind(wx.EVT_IDLE, self.OnIdle)
        self.Bind(wx.EVT_PAINT, self.OnPaint)

    def InitBuffer(self):
        size = self.GetClientSize()

#3 创建一个缓存的设备上下文
        self.buffer = wx.EmptyBitmap(size.width, size.height)
        dc = wx.BufferedDC(None, self.buffer)

#4 使用设备上下文
        dc.SetBackground(wx.Brush(self.GetBackgroundColour()))
        dc.Clear()
        self.DrawLines(dc)

        self.reInitBuffer = False

    def GetLinesData(self):
        return self.lines[:]

    def SetLinesData(self, lines):
        self.lines = lines[:]
        self.InitBuffer()
        self.Refresh()

    def OnLeftDown(self, event):
        self.curLine = []
        self.pos = event.GetPositionTuple()#5 得到鼠标的位置
        self.CaptureMouse()#6 捕获鼠标

    def OnLeftUp(self, event):
        if self.HasCapture():
            self.lines.append((self.color,
                               self.thickness,
                               self.curLine))
            self.curLine = []
            self.ReleaseMouse()#7 释放鼠标

    def OnMotion(self, event):
        if event.Dragging() and event.LeftIsDown():#8 确定是否在拖动
            dc = wx.BufferedDC(wx.ClientDC(self), self.buffer)#9 创建另一个缓存的上下文
            self.drawMotion(dc, event)
        event.Skip()
    #10 绘画到设备上下文
    def drawMotion(self, dc, event):
        dc.SetPen(self.pen)
        newPos = event.GetPositionTuple()
        coords = self.pos + newPos
        self.curLine.append(coords)
        dc.DrawLine(*coords)
        self.pos = newPos

    def OnSize(self, event):
        self.reInitBuffer = True #11 处理一个resize事件

    def OnIdle(self, event):#12 空闲时的处理
        if self.reInitBuffer:
            self.InitBuffer()
            self.Refresh(False)

    def OnPaint(self, event):
        dc = wx.BufferedPaintDC(self, self.buffer)#13 处理一个paint（描绘）请求

    #14 绘制所有的线条
    def DrawLines(self, dc):
        for colour, thickness, line in self.lines:
            pen = wx.Pen(colour, thickness, wx.SOLID)
            dc.SetPen(pen)
            for coords in line:
                dc.DrawLine(*coords)

    def SetColor(self, color):
        self.color = color
        self.pen = wx.Pen(self.color, self.thickness, wx.SOLID)

    def SetThickness(self, num):
        self.thickness = num
        self.pen = wx.Pen(self.color, self.thickness, wx.SOLID)


class SketchFrame(wx.Frame):
    def __init__(self, parent):
        wx.Frame.__init__(self, parent, -1, "Sketch Frame",
                size=(800,600))
        self.sketch = SketchWindow(self, -1)

if __name__ == '__main__':
    app = wx.PySimpleApp()
    frame = SketchFrame(None)
    frame.Show(True)
    app.MainLoop()




5.wxPython实现折叠面板





运行效果：



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代码部分：

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#! /usr/bin/env python
#coding=utf-8

import wx

class MyFrame(wx.Frame):
    def __init__(self, parent=None, title=u'折叠与展开'):
        wx.Frame.__init__(self, parent, -1, title=title)
        self.panel = wx.Panel(self, style=wx.TAB_TRAVERSAL | wx.CLIP_CHILDREN | wx.FULL_REPAINT_ON_RESIZE)
        
        #增加一些控件:用户名密码部分，并使用GridBagSizer来管理这些控件
        self.label1=wx.StaticText(self.panel,-1,label=u'用户名：')
        self.label2=wx.StaticText(self.panel,-1,label=u'密     码：')
        self.userText=wx.TextCtrl(self.panel,-1,size=(200,25))
        self.passText=wx.TextCtrl(self.panel,-1,size=(200,25))
        self.rempassCheck=wx.CheckBox(self.panel,-1,label=u'记住密码')
        self.autologCheck=wx.CheckBox(self.panel,-1,label=u'自动登录')
        
        self.gbsizer1=wx.GridBagSizer(hgap=10, vgap=10)
        self.gbsizer1.Add(self.label1,pos=(0,0),span=(1,1),flag=wx.ALIGN_RIGHT|wx.ALIGN_CENTRE_VERTICAL)
        self.gbsizer1.Add(self.userText,pos=(0,1),span=(1,1),flag=wx.EXPAND)
        self.gbsizer1.Add(self.label2,pos=(1,0),span=(1,1),flag=wx.ALIGN_RIGHT|wx.ALIGN_CENTRE_VERTICAL)
        self.gbsizer1.Add(self.passText,pos=(1,1),span=(1,1),flag=wx.EXPAND)
        self.gbsizer1.Add(self.rempassCheck,pos=(2,0),span=(1,1),flag=wx.ALIGN_RIGHT|wx.ALIGN_CENTRE_VERTICAL)
        self.gbsizer1.Add(self.autologCheck,pos=(2,1),span=(1,1),flag=wx.ALIGN_CENTER|wx.ALIGN_CENTRE_VERTICAL)
        
        #增加一些控件:服务器设置部分，并使用GridBagSizer来管理这些控件，
        #然后再使用StaticBoxSizer管理GridBagSizer
        self.label3=wx.StaticText(self.panel,-1,label=u'地址：')
        self.label4=wx.StaticText(self.panel,-1,label=u'端口：')
        self.ipadText=wx.TextCtrl(self.panel,-1,size=(170,25))
        self.portText=wx.TextCtrl(self.panel,-1,size=(170,25))
        self.proxyBtn=wx.Button(self.panel,-1,label=u'代理\n设置')
        
        self.gbsizer2=wx.GridBagSizer(hgap=10,vgap=10)
        self.gbsizer2.Add(self.label3,pos=(0,0),span=(1,1),flag=wx.ALIGN_RIGHT|wx.ALIGN_CENTRE_VERTICAL)
        self.gbsizer2.Add(self.ipadText,pos=(0,1),span=(1,1),flag=wx.EXPAND)
        self.gbsizer2.Add(self.proxyBtn,pos=(0,2),span=(2,1),flag=wx.EXPAND)
        self.gbsizer2.Add(self.label4,pos=(1,0),span=(1,1),flag=wx.ALIGN_RIGHT|wx.ALIGN_CENTRE_VERTICAL)
        self.gbsizer2.Add(self.portText,pos=(1,1),span=(1,1),flag=wx.EXPAND)
        
        sbox=wx.StaticBox(self.panel,-1,label=u'服务器')
        self.sbsizer=wx.StaticBoxSizer(sbox,wx.VERTICAL)
        self.sbsizer.Add(self.gbsizer2,proportion=0,flag=wx.EXPAND,border=10)
        
        #增加一些控件:最下方的按钮，并使用水平方向的BoxSizer来管理这些控件
        self.setserverBtn=wx.Button(self.panel,-1,label=u'服务器设置↓')
        self.loginBtn=wx.Button(self.panel,-1,label=u'登录')
        self.cancelBtn=wx.Button(self.panel,-1,label=u'取消')
        
        self.bsizer=wx.BoxSizer(wx.HORIZONTAL)
        self.bsizer.Add(self.setserverBtn,1,flag=wx.EXPAND)
        self.bsizer.Add(self.loginBtn)
        self.bsizer.Add(self.cancelBtn)        
        
        #给"服务器设置"按钮绑定事件处理器
        self.Bind(wx.EVT_BUTTON, self.OnTouch, self.setserverBtn)
        
        #增加BoxSizer,管理用户名密码部分的gbsizer1，
        #服务器设置部分的sbsizer，以及最下方的bsizer
        self.sizer = wx.BoxSizer(wx.VERTICAL)
        self.sizer.Add(self.gbsizer1, 0, wx.EXPAND, 20)
        self.sizer.Add(self.sbsizer, 0, wx.EXPAND, 20)
        self.sizer.Add(self.bsizer, 0, wx.EXPAND, 20)
        self.isShown = False    #用这个变量指示当前是否已将控件隐藏
        self.sizer.Hide(self.sbsizer)    #将控件隐藏
        self.SetClientSize((330,118))    #更改面板尺寸
        
        self.panel.SetSizerAndFit(self.sizer)
        self.sizer.SetSizeHints(self.panel)
        
    def OnTouch(self, event):
        if self.isShown:    #如果当前控件已显示
            self.setserverBtn.SetLabel(u'服务器设置↓')    #更新按钮标签
            self.sizer.Hide(self.sbsizer)    #隐藏服务器设置部分
            self.isShown = False    #服务器设置部分当前已隐藏
            self.SetClientSize((330,118))    #更新面板尺寸
        else:
            self.sizer.Show(self.sbsizer)    #如果当前控件已隐藏
            self.setserverBtn.SetLabel(u'服务器设置↑')    #更新按钮标签
            self.isShown = True    #服务器设置部分当前已显示
            self.SetClientSize((330,200))    #更新面板尺寸
        self.sizer.Layout()    #关键所在，强制sizer重新计算并布局sizer中的控件
        
        
if __name__ == "__main__":
    app = wx.PySimpleApp()
    frame = MyFrame(None)
    frame.Show(True)
    app.MainLoop()




6.wxPython构建小型管理系统




运行效果：



============================================

代码部分：

============================================

#coding:gbk

import  wx    
     
class TestTB(wx.Treebook):
    def __init__(self, parent, id):
        wx.Treebook.__init__(self, parent, id, style=wx.BK_DEFAULT)
        idGenerator=self.getNextID(50)#实例化生成器
        first=True
        panlist=self.getPageList()#得到目录列表
        for x in panlist:
            for k,v in x.items():
                win=self.makeDemoPanel()#父页面
                self.AddPage(win,k,p_w_picpathId=idGenerator.next())
                if first:
                    first=False
                else:
                    for sub in v:
                        win=sub[1]
                        self.AddSubPage(win,sub[0],p_w_picpathId=idGenerator.next())
                        #由上面的例子可以看出，父/子页面关系完全由添加的顺序而定
                        #即你AddPage后AddSubPage，一定是刚才这个Page所对应的菜单的子菜单的页面，
                        #所以看不到设“父目录”的代码
 
        self.Bind(wx.EVT_TREEBOOK_PAGE_CHANGED, self.OnPageChanged)
        self.Bind(wx.EVT_TREEBOOK_PAGE_CHANGING, self.OnPageChanging)
 
        # This is a workaround for a sizing bug on Mac...
        wx.FutureCall(100, self.AdjustSize)
 
    def getNextID(self,count):
        '''一个ID生成器'''
        imID = 0
        while True:
            yield imID
            imID += 1
            if imID == count:
                imID = 0
                 
    def AdjustSize(self):
        self.GetTreeCtrl().InvalidateBestSize()
        self.SendSizeEvent()
         
 
    def makeDemoPanel(self,type=None):
        p = wx.Panel(self, -1)#子窗体的容器
        win=wx.Panel(p,-1)#子窗体容器包含的页面，此处我还是用了一个panel
        wx.StaticText(win,-1,type or "parnet")#此两句，在项目中用的时候应该包装出去，因为你的窗体可能非常复杂，而不是像我现在演示的这样仅仅只有一个Label
        p.win = win
        def OnCPSize(evt, win=win):
            win.SetPosition((0,0))
            win.SetSize(evt.GetSize())
        p.Bind(wx.EVT_SIZE, OnCPSize)
        return p
     
    def getPageList(self):
        '''我是以父目录为键名，子目录List为键值来保存本示例的菜单数据
          同时，子目录列表的结构为（子目录名，对应窗体对象）的元组，这样每次生成tree的子目录的时候，可以直接把窗体对象AddSubPage进去
        '''
        return [
            {'根节点                   ':[]},
            {'一级目录1':[('二级目录一',self.makeDemoPanel('内页1')),('二级目录二',self.makeDemoPanel('内页2')),('二级目录三',self.makeDemoPanel('内页3')),('二级目录四',self.makeDemoPanel('内页4')),]},  
            {'一级目录2':[('二级目录一',self.makeDemoPanel('内页1')),('二级目录二',self.makeDemoPanel('内页2')),('二级目录三',self.makeDemoPanel('内页3')),('二级目录四',self.makeDemoPanel('内页4')),]},  
            {'一级目录3':[('二级目录一',self.makeDemoPanel('内页1')),('二级目录二',self.makeDemoPanel('内页2')),('二级目录三',self.makeDemoPanel('内页3')),('二级目录四',self.makeDemoPanel('内页4')),]},  
            {'一级目录4':[('二级目录一',self.makeDemoPanel('内页1')),('二级目录二',self.makeDemoPanel('内页2')),('二级目录三',self.makeDemoPanel('内页3')),('二级目录四',self.makeDemoPanel('内页4')),]},  
            {'一级目录5':[('二级目录一',self.makeDemoPanel('内页1')),('二级目录二',self.makeDemoPanel('内页2')),('二级目录三',self.makeDemoPanel('内页3')),('二级目录四',self.makeDemoPanel('内页4')),]},  
            {'一级目录6':[('二级目录一',self.makeDemoPanel('内页1')),('二级目录二',self.makeDemoPanel('内页2')),('二级目录三',self.makeDemoPanel('内页3')),('二级目录四',self.makeDemoPanel('内页4')),]},  
            {'一级目录7':[('二级目录一',self.makeDemoPanel('内页1')),('二级目录二',self.makeDemoPanel('内页2')),('二级目录三',self.makeDemoPanel('内页3')),('二级目录四',self.makeDemoPanel('内页4')),]},  
            ]
 
 
    def OnPageChanged(self, event):
        '''演示捕捉页面切换事件'''
        old = event.GetOldSelection()
        new = event.GetSelection()
        sel = self.GetSelection()
        print 'OnPageChanged,  old:%d, new:%d, sel:%d\n' % (old, new, sel)
        event.Skip()
 
    def OnPageChanging(self, event):
        '''演示捕捉页面切换事件'''
        old = event.GetOldSelection()
        new = event.GetSelection()
        sel = self.GetSelection()
        print 'OnPageChanging, old:%d, new:%d, sel:%d\n' % (old, new, sel)
        event.Skip()
 
def main():
    app=wx.App()#实际化应用
    frame=wx.Frame(None,-1,"my tree book demo")#实例化窗体
     
    def onExitApp(evt):
        '''退出的方法'''
        frame.Close(True)
    menuBar=wx.MenuBar()#顺便生成一个菜单，含有“退出”功能
    menu=wx.Menu()
    item=menu.Append(-1,"Exit\tCtrl-Q","Exit")
    frame.Bind(wx.EVT_MENU,onExitApp,item)
    frame.SetMenuBar(menuBar)
     
    menuBar.Append(menu,"&File")
    win=TestTB(frame,-1)#生成TreeBook
    if win:
        frame.SetSize((800,600))
        frame.Centre()
        frame.Show()
        win.SetFocus()
        frame.window=win#设置TreeBook控件为主窗体对象（其实我还是不明白frame对象的window属性有什么特权）
    else:
        frame.Destory()
    app.MainLoop()#进入主消息循环
     
if __name__ == '__main__':
    main()




7.自动搜索"computer"/登录人人网




运行效果：



============================================

代码部分：

============================================

搜索“computer”

# -*- coding: utf-8 -*-

import ie

url = "http://ieeexplore.ieee.org/xpl/periodicals.jsp"

myie = ie.NewIE(url)

ie.Visible(myie)

mybody = ie.GetBody(myie)
input_ids=ie.GetNodes(mybody,"input")

input_id_topsearch = ie.NodeByAttr(input_ids, "id", "browse_keyword")
input_id_topsearch.value = "computer"

div_ids=ie.GetNodes(mybody,"div")
div_browser_title_hdr = ie.NodeByAttr(div_ids, "id", "browse-title-hdr")


div_browser_input = ie.GetNodes(div_browser_title_hdr, "input")
input_id_search = ie.NodeByAttr(div_browser_input, "type", "p_w_picpath")
input_id_search.click();

登录人人网

# -*- coding:utf -*-
import getpass
import ie
url="http://renren.com/"
myie=ie.NewIE(url)
ie.Visible(myie)
mybody=ie.GetBody(myie)
input_ids=ie.GetNodes(mybody,"input")
input_id_email=ie.NodeByAttr(input_ids,"id","email")
input_id_email.value=""
input_id_psd=ie.NodeByAttr(input_ids,"id","password")
input_id_psd.value=getpass.getpass()
input_id_login=ie.NodeByAttr(input_ids,"id","login")
input_id_login.click()

附件：ie.py

# -*- coding:utf-8 -*-
import time
from win32com.client import DispatchEx
def ExistIE(url):
    ShellWindowsCLSID = '{9BA05972-F6A8-11CF-A442-00A0C90A8F39}'
    ies=DispatchEx(ShellWindowsCLSID)
    if len(ies)==0:
        return None
    for ie in ies:
        if ie.LocationURL==url:
            return ie
    return None
def NewIE(url):
    ie=DispatchEx("InternetExplorer.Application")
    ie.Navigate(url)
    return ie
def openIE(url):
    """
    >>> myie = ie.NewIE()
    """
    ie=ExistIE(url)
    if ie==None:
        ie=NewIE(url)
    return ie
def WaitIE(ie):
    while ie.Busy:
        time.sleep(1)
def Visible(ie):
    ie.Visible=1-ie.Visible
def GetBody(ie):
    WaitIE(ie)
    return ie.Document.body
def GetNodes(parentNode,tag):
    """
    >>> coldiv=GetNodes(body,"div")
    """
    childNodes=[]
    for childNode in parentNode.getElementsByTagName(tag):
        childNodes.append(childNode)
    return childNodes
def NodeByAttr(Nodes,nodeattr,nodeval):
    """
    >>> div_id_editor=NodeByAttr(coldiv,"id","editor_ifr")
    """
    for node in Nodes:
        if str(node.getAttribute(nodeattr))==nodeval:
            return node
    return None
def SetNode(node,val):
    node.innerHTML=val
if __name__=="__main__":
    url="about:blank"
    myie=NewIE(url)
    Visible(myie)
    mybody=GetBody(myie)
   
    SetNode(mybody,"<div>Genius</div>"*3)
    coldiv=GetNodes(mybody,"div")
    SetNode(coldiv[0],"<p>Hello</p>"*10)
    coldiv[0].SetAttribute("id","test")
    div_id_test=ie.NodeByAttr(coldiv,"id","test")
    div_p=GetNodes(div_id_test,"p")
    for div_per_p in div_p:
        print div_per_p.innerHTML




8.画板




运行效果：



============================================

代码部分：

============================================

#!/usr/bin/env python
# -*- coding: utf-8 -*-

'''
    Function:绘图
    Input：NONE
    Output: NONE
    author: socrates
    blog:http://www.cnblogs.com/dyx1024/
    date:2012-07-13
'''  

import wx

class PaintWindow(wx.Window):
        def __init__(self, parent, id):
            wx.Window.__init__(self, parent, id)
            self.SetBackgroundColour("Red")
            self.color = "Green"
            self.thickness = 10
        
            #创建一个画笔
            self.pen = wx.Pen(self.color, self.thickness, wx.SOLID)
            self.lines = []
            self.curLine = []
            self.pos = (0, 0)
            self.InitBuffer()
        
            #连接事件
            self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown)
            self.Bind(wx.EVT_LEFT_UP, self.OnLeftUp)
            self.Bind(wx.EVT_MOTION, self.OnMotion)
            self.Bind(wx.EVT_SIZE, self.OnSize)
            self.Bind(wx.EVT_IDLE, self.OnIdle)
            self.Bind(wx.EVT_PAINT, self.OnPaint)
        
        def InitBuffer(self):
            size = self.GetClientSize()
            
            #创建缓存的设备上下文
            self.buffer = wx.EmptyBitmap(size.width, size.height)
            dc = wx.BufferedDC(None, self.buffer)
            
            #使用设备上下文
            dc.SetBackground(wx.Brush(self.GetBackgroundColour()))
            dc.Clear()
            self.DrawLines(dc)
            self.reInitBuffer = False
            
        def GetLinesData(self):
            return self.lines[:]
        
        def SetLinesData(self, lines):
            self.lines = lines[:]
            self.InitBuffer()
            self.Refresh()
            
        def OnLeftDown(self, event):
            self.curLine = []
            
            #获取鼠标位置
            self.pos = event.GetPositionTuple()
            self.CaptureMouse()
            
        def OnLeftUp(self, event):
            if self.HasCapture():
                self.lines.append((self.color,
                                   self.thickness,
                                   self.curLine))
                self.curLine = []
                self.ReleaseMouse()
                
        def OnMotion(self, event):
            if event.Dragging() and event.LeftIsDown():
                dc = wx.BufferedDC(wx.ClientDC(self), self.buffer)
                self.drawMotion(dc, event)
            event.Skip()
        
        def drawMotion(self, dc, event):
            dc.SetPen(self.pen)
            newPos = event.GetPositionTuple()
            coords = self.pos + newPos
            self.curLine.append(coords)
            dc.DrawLine(*coords)
            self.pos = newPos
            
        def OnSize(self, event):
            self.reInitBuffer = True
        
        def OnIdle(self, event):
            if self.reInitBuffer:
                self.InitBuffer()
                self.Refresh(False)
        
        def OnPaint(self, event):
            dc = wx.BufferedPaintDC(self, self.buffer)
            
        def DrawLines(self, dc):
            for colour, thickness, line in self.lines:
                pen = wx.Pen(colour, thickness, wx.SOLID)
                dc.SetPen(pen)
                for coords in line:
                    dc.DrawLine(*coords)
        
        def SetColor(self, color):
            self.color = color
            self.pen = wx.Pen(self.color, self.thickness, wx.SOLID)
            
        def SetThickness(self, num):
            self.thickness = num
            self.pen = wx.Pen(self.color, self.thickness, wx.SOLID)
            
class PaintFrame(wx.Frame):
    def __init__(self, parent):
        wx.Frame.__init__(self, parent, -1, "Panit Frame", size = (800, 600))
        self.paint = PaintWindow(self, -1)
        
        #状态栏
        self.paint.Bind(wx.EVT_MOTION, self.OnPaintMotion)
        self.InitStatusBar()
        
        #创建菜单
        self.CreateMenuBar()

        
    def InitStatusBar(self):
        self.statusbar = self.CreateStatusBar()
        #将状态栏分割为3个区域,比例为1:2:3
        self.statusbar.SetFieldsCount(3)
        self.statusbar.SetStatusWidths([-1, -2, -3])   
        
    def OnPaintMotion(self, event):
        
        #设置状态栏1内容
        self.statusbar.SetStatusText(u"鼠标位置：" + str(event.GetPositionTuple()), 0)
        
        #设置状态栏2内容
        self.statusbar.SetStatusText(u"当前线条长度：%s" % len(self.paint.curLine), 1)
        
        #设置状态栏3内容
        self.statusbar.SetStatusText(u"线条数目：%s" % len(self.paint.lines), 2)   
             
        event.Skip()
        
    def MenuData(self):
        '''
                   菜单数据
        '''
        #格式：菜单数据的格式现在是(标签, (项目))，其中：项目组成为：标签, 描术文字, 处理器, 可选的kind
        #标签长度为2，项目的长度是3或4
        return [("&File", (             #一级菜单项
                           ("&New", "New paint file", self.OnNew),             #二级菜单项
                           ("&Open", "Open paint file", self.OnOpen),
                           ("&Save", "Save paint file", self.OnSave),
                           ("", "", ""),                                       #分隔线
                           ("&Color", (
                                       ("&Black", "", self.OnColor, wx.ITEM_RADIO),  #三级菜单项，单选
                                       ("&Red", "", self.OnColor, wx.ITEM_RADIO),
                                       ("&Green", "", self.OnColor, wx.ITEM_RADIO), 
                                       ("&Blue", "", self.OnColor, wx.ITEM_RADIO))),
                           ("", "", ""),
                           ("&Quit", "Quit", self.OnCloseWindow)))
               ]  
    def CreateMenuBar(self):
        '''
        创建菜单
        '''
        menuBar = wx.MenuBar()
        for eachMenuData in self.MenuData():
            menuLabel = eachMenuData[0]
            menuItems = eachMenuData[1]
            menuBar.Append(self.CreateMenu(menuItems), menuLabel) 
        self.SetMenuBar(menuBar)
        
    def CreateMenu(self, menuData):
        '''
        创建一级菜单
        '''
        menu = wx.Menu()
        for eachItem in menuData:
            if len(eachItem) == 2:
                label = eachItem[0]
                subMenu = self.CreateMenu(eachItem[1])
                menu.AppendMenu(wx.NewId(), label, subMenu) #递归创建菜单项
            else:
                self.CreateMenuItem(menu, *eachItem)
        return menu
    
    def CreateMenuItem(self, menu, label, status, handler, kind = wx.ITEM_NORMAL):
        '''
        创建菜单项内容
        '''
        if not label:
            menu.AppendSeparator()
            return
        menuItem = menu.Append(-1, label, status, kind)
        self.Bind(wx.EVT_MENU, handler,menuItem)
    
    def OnNew(self, event):
        pass
    
    def OnOpen(self, event):
        pass
    
    def OnSave(self, event): 
        pass
    
    def OnColor(self, event):
        '''
        更改画笔内容
        '''
        menubar = self.GetMenuBar()
        itemid = event.GetId()
        item = menubar.FindItemById(itemid)
        color = item.GetLabel() #获取菜单项内容
        self.paint.SetColor(color)
        
    def OnCloseWindow(self, event):
        self.Destroy()
                     
        
if __name__ == '__main__':
    app = wx.PySimpleApp()
    frame = PaintFrame(None)
    frame.Show(True)
    app.MainLoop()

关键字：