python主子窗体设计基础模型

class MainPage(object): 
 def __init__(self, master=None): 
  self.root = Tk() #定义内部变量root 
  self.root.geometry('%dx%d' % (600, 300)) #设置窗口大小
  self.createPage() 
  
  
 def createPage(self): 
  self.inputPage = InputFrame(self.root) # 创建不同Frame 
  self.queryPage = QueryFrame(self.root) 
  self.countPage = CountFrame(self.root) 
  self.aboutPage = AboutFrame(self.root) 
  self.inputPage.pack() #默认显示数据录入界面 
  menubar = Menu(self.root) 
  menubar.add_command(label='数据录入', command = self.inputData) 
  menubar.add_command(label='查询', command = self.queryData) 
  menubar.add_command(label='统计', command = self.countData) 
  menubar.add_command(label='关于', command = self.aboutDisp) 
  self.root['menu'] = menubar # 设置菜单栏 
  
 def inputData(self): 
  self.inputPage.pack() 
  self.queryPage.pack_forget() 
  self.countPage.pack_forge服务器托管网t() 
  self.aboutPage.pack_forget() 
  
 def queryData(self): 
  self.inputPage.pack_forget() 
  self.queryPage.pack() 
  self.countPage.pack_forget() 
  self.aboutPage.pack_forget() 
  
 def countData(self): 
  self.inputPage.pack_forget() 
  self.queryPage.pack_forget() 
  self.countPage.pack() 
  self.aboutPage.pack_forget() 
  
 def aboutDisp(self): 
  self.inputPage.pack_forget() 
  self.queryPage.pack_forget() 
  self.countPage.pack_forget() 
  self.aboutPage.pack() 

class InputFrame(Frame): # 继承Frame类 
 def __init__(self, master=None): 
  Frame.__init__(self, master) 
  self.root = master #定义内部变量root 
  self.itemName = StringVar() 
  self.purchasePrice = StringVar() 
  self.salePrice = StringVar() 
  self.discountPrice = StringVar() 
  self.createPage() 
  
 def createPage(self): 
  Label(self).grid(row=0, stick=W, pady=10) 
  Label(self, text = '商品名称: ').grid(row=1, stick=W, pady=10) 
  Entry(self, textvariable=self.itemName).grid(row=1, column=1, stick=E) 
  Label(self, text = '采购价格/元: ').grid(row=2, stick=W, pady=10) 
  Entry(self, textvariable=self.purchasePrice).grid(row=2, column=1, stick=E) 
  Label(self, text = '销售价格/元: ').grid(row=3, stick=W, pady=10) 
  Entry(self, textvariable=self.salePrice).grid(row=3, column=1, stick=E) 
  Label(self, text = '折扣/元: ').grid(row=4, stick=W, pady=10) 
  Entry(self, textvariable=self.discountPrice).grid(row=4, column=1, stick=E) 
  Button(self, text='录入').grid(row=6, column=1, stick=E, pady=10) 
  
  
class QueryFrame(Frame): # 继承Frame类 
 def __init__(self, master=None): 
  Frame.__init__(self, master) 
  self.root = master #定义内部变量root 
  self.itemName = StringVar() 
  self.createPage() 
  
 def createPage(self): 
  Label(self, text='查询界面').pack() 
  
class CountFrame(Frame): # 继承Frame类 
 def __init__(self, master=None): 
  Frame.__init__(self, master) 
  self.root = master #定义内部变量root 
  self.createPage() 
  
 def createPage(self): 
  Label(self, text='统计界面').pack() 
  
  
class AboutFrame(Frame): # 继承Frame类 
 def __init__(self, master=None): 
  Frame.__init__(self, master) 
  self.root = master #定义内部变量root 
  self.createPage() 
  
 def createPage(self): 
  Label(self, text='关于界面').pack()