56 lines
1.3 KiB
Python
56 lines
1.3 KiB
Python
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"""
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使用tkinter创建GUI
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- 顶层窗口
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- 控件
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- 布局
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- 事件回调
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Version: 0.1
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Author: 骆昊
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Date: 2018-03-14
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"""
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import tkinter
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import tkinter.messagebox
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def main():
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flag = True
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# 修改标签上的文字
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def change_label_text():
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nonlocal flag
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flag = not flag
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color, msg = ('red', 'Hello, world!')\
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if flag else ('blue', 'Goodbye, world!')
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label.config(text=msg, fg=color)
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# 确认退出
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def confirm_to_quit():
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if tkinter.messagebox.askokcancel('温馨提示', '确定要退出吗?'):
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top.quit()
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# 创建顶层窗口
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top = tkinter.Tk()
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# 设置窗口大小
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top.geometry('240x160')
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# 设置窗口标题
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top.title('小游戏')
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# 创建标签对象
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label = tkinter.Label(top, text='Hello, world!', font='Arial -32', fg='red')
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label.pack(expand=1)
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# 创建一个装按钮的容器
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panel = tkinter.Frame(top)
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# 创建按钮对象
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button1 = tkinter.Button(panel, text='修改', command=change_label_text)
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button1.pack(side='left')
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button2 = tkinter.Button(panel, text='退出', command=confirm_to_quit)
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button2.pack(side='right')
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panel.pack(side='bottom')
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# 开启主事件循环
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tkinter.mainloop()
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if __name__ == '__main__':
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main()
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