complex_example.py

#coding=utf-8
from tkinter import *
 
class WidgetsDemo:
    def __init__(self):
        window = Tk()                 # 创建一个窗口
        window.title("Widgets Demo")  # 设置标题
        
        frame1 = Frame(window)        # 创建一个框架
        frame1.pack()                 # 将框架frame1放置在window中
        
        self.v1 = IntVar()
        # 创建一个复选框，如果选中则self.v1为1,否则为0,当点击cbtBold时，触发processCheckbutton函数
        cbtBold = Checkbutton(frame1,text="Bold",variable=self.v1,
                              command=self.processCheckbutton)
        
        self.v2 = IntVar()
        # 创建两个单选按钮，放置在frame1中，按钮文本是分别是Red和Yellow，背景色分别是红色和黄色，
        # 当rbRed按钮被选中时self.v2为1,当rbYellow按钮被选中时，self.v2为2，按钮被点击时触发processRadiobutto函数
        rbRed = Radiobutton(frame1,text="Red",bg="red",
                            variable=self.v2,value=1,
                            command=self.processRadiobutton)
        rbYellow = Radiobutton(frame1,text="Yellow",bg="yellow",
                               variable=self.v2,value=2,
                               command=self.processRadiobutton)
        # grid布局
        cbtBold.grid(row=1,column=1)
        rbRed.grid(row=1,column=2)
        rbYellow.grid(row=1,column=3)
        
        frame2 = Frame(window)   # 创建框架frame2
        frame2.pack()            # 将frame2放置在window中
        
        
        label = Label(frame2,text="Enter your name: ")   # 创建标签
        self.name = StringVar()
        # 创建Entry，内容是与self.name关联
        entryName = Entry(frame2,textvariable=self.name)
        # 创建按钮，点击按钮时触发processButton函数
        btGetName = Button(frame2,text="Get Name",
                           command=self.processButton)
        
        # 创建消息
        message = Message(frame2,text="It is a widgets demo")
        
        # grid布局
        label.grid(row=1,column=1)
        entryName.grid(row=1,column=2)
        btGetName.grid(row=1,column=3)
        message.grid(row=1,column=4)
        
        # 创建格式化文本，并放置在window中
        text = Text(window)
        text.pack()
        text.insert(END,"Tip\nThe best way to learn Tkinter is to read")
        text.insert(END,"these carefully designed examples and use them")
        text.insert(END,"to create your applications.")
        
        # 监测事件直到window被关闭
        window.mainloop()
    
    # 复选框点击按钮函数
    def processCheckbutton(self):
        print ("Check button is:" 
               + ("checked" if self.v1.get() == 1 else "unchecked"))
    
    # 单选按钮点击函数
    def processRadiobutton(self):
        print (("Red" if self.v2.get() == 1 else "Yellow")
               + " is selected.")
    
    # Get Name按钮点击函数
    def processButton(self):
        print ("Your name is " + self.name.get())
    
WidgetsDemo()