import tkinter as tk
# 按钮对应的功能
def create_frame1():
global frame3, frame2, frame1
try:
frame1.destroy()
except:
pass
finally:
try:
frame2.destroy()
except:
pass
finally:
try:
frame3.destroy()
except:
pass
finally:
frame1 = tk.Frame(window, height=600, width=1080, bg='pink')
frame1.pack(side='bottom', fill='both', expand=1)
frame1.pack_propagate(0)
label = tk.Label(frame1,
text='界面一',
font=('微软雅黑',18),
bg='pink')
label.pack()
def create_frame2():
global frame3, frame2, frame1
try:
frame1.destroy()
except:
pass
finally:
try:
frame3.destroy()
except:
pass
finally:
frame2 = tk.Frame(window, height=600, width=1080, bg='blue')
frame2.pack(side='bottom', fill='both', expand=1)
frame2.pack_propagate(0)
label = tk.Label(frame2,
text='界面二',
font=('微软雅黑',18),
bg='blue')
label.pack()
def create_frame3():
global frame3, frame2, frame1
try:
frame1.destroy()
except:
pass
finally:
try:
frame2.destroy()
except:
pass
finally:
frame3 = tk.Frame(window, height=600, width=1080, bg='green')
frame3.pack(side='bottom', fill='both', expand=1)
frame3.pack_propagate(0)
label = tk.Label(frame3,
text='界面三',
font=('微软雅黑',18),
bg='green')
label.pack()
#创建窗口
window = tk.Tk()
window.geometry('1080x720')
window.title("多窗口切换")
# 按钮框架
frame0 = tk.Frame(window, height=120, width=1080, bg='pink')
frame0.pack(side='top', fill='both', expand=1)
# 界面切换按钮
btn1 = tk.Button(frame0, text='界面一', command=create_frame1)
btn1.place(relx=0, rely=0, relwidth=0.3, relheight=1)
btn2 = tk.Button(frame0, text='界面二', command=create_frame2)
btn2.place(relx=0.3, rely=0, relwidth=0.3, relheight=1)
btn3 = tk.Button(frame0, text='界面三', command=create_frame3)
btn3.place(relx=0.6, rely=0, relwidth=0.4, relheight=1)
# 首先打开主界面
create_frame1()
window.mainloop() # 进入消息循环
