python GUI 窗口切换

代码：

"""
__project_ = 'python'
__file_name__ = 'test4'
__author__ = 'Administrator'
__time__ = '2019/11/4 9:09'
__product_name = PyCharm
# 

"""

from tkinter import *
from tkinter.messagebox import *

class BaseDesk():
    def __init__(self,master):
        self.master = master
        self.master.config()
        self.master.title('Base Desk')
        self.master.geometry('280x280')
        AppMain(self.master,)
class AppMain():
    def __init__(self,master):
        self.master = master
        self.master.config(bg='green')
        self.initface = Frame(self.master,)
        self.initface.pack()
        btn = Button(self.initface,text='change-go next',command=self.go)
        btn.pack()
    def go(self):
        self.initface.destroy()
        #开启下一个界面
        AppTest(self.master,)

class AppTest():

    def __init__(self,master):
        self.master = master
        self.master.config(bg='red')
        self.interface = Frame(self.master,)
        self.interface.pack()
        btn_back = Button(self.interface,text='back-',command=self.back)
        btn_back.pack()

    def back(self):
        self.interface.destroy()
        AppMain(self.master)

if __name__ == '__main__':
    root = Tk()
    BaseDesk(root)
    root.mainloop()

效果：

image.png image.png
image.png