时间:2021-07-01 10:21:17 帮助过:77人阅读
本文实例讲述了Python tkinter模块中类继承的三种方式。分享给大家供大家参考,具体如下:
tkinter class继承有三种方式。
提醒注意这几种继承的运行方式
一、继承 object
1.铺tk.Frame给parent:
说明:
self.rootframe = tk.Frame(parent)
tk.Label(self.rootframe)
- import tkinter as tk
- class MyApp(object):
- def __init__(self, parent):
- self.rootframe = tk.Frame(parent)
- self.rootframe.pack()
- self.setupUI()
- def setupUI(self):
- tk.Label(self.rootframe, text='标签').pack()
- if __name__ == '__main__':
- root = tk.Tk()
- MyApp(root) # 注意这句
- root.mainloop()
2.直接使用root
说明:
self.root = parent
tk.Label(self.root)
- import tkinter as tk
- class MyApp(object):
- def __init__(self, parent, **kwargs):
- self.root = parent
- self.root.config(**kwargs)
- self.setupUI()
- def setupUI(self):
- tk.Label(self.root, text = '标签').pack()
- if __name__ == '__main__':
- root = tk.Tk()
- app = test(root)
- root.mainloop()
二、继承 tk.Tk
- import tkinter as tk
- class MyApp(tk.Tk):
- def __init__(self):
- super().__init__()
- self.setupUI()
- def setupUI(self):
- tk.Label(self, text='标签').pack()
- if __name__ == '__main__':
- MyApp().mainloop()
三、继承 tk.Frame
分两种情况
1.有parent
- import tkinter as tk
- class MyApp(tk.Frame):
- def __init__(self, parent=None):
- super().__init__(parent)
- self.pack()
- self.setupUI()
- def setupUI(self):
- tk.Label(self, text='标签').pack()
- if __name__ == '__main__':
- MyApp(tk.Tk()).mainloop()
- #MyApp().mainloop() # 也可以这样
注意: self.pack()
2.没有parent
- import tkinter as tk
- class MyApp(tk.Frame):
- def __init__(self):
- super().__init__()
- self.pack()
- self.setupUI()
- def setupUI(self):
- tk.Label(self, text='标签').pack()
- if __name__ == '__main__':
- MyApp().mainloop()
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