📌 Python Tkinter的place布局详解

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widget.place(option=value, ...)

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import tkinter as tk

root = tk.Tk()
root.geometry("400x300")

# 使用绝对坐标定位
btn1 = tk.Button(root, text="绝对定位按钮", bg="lightblue")
btn1.place(x=50, y=30)  # (￣▽￣*)ゞ

# 使用相对定位
btn2 = tk.Button(root, text="相对定位按钮", bg="lightpink")
btn2.place(relx=0.5, rely=0.5, anchor="center")  # 正中放置！٩(◕‿◕｡)۶

root.mainloop()

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btn3 = tk.Button(root, text="混合定位", bg="lightgreen")
btn3.place(x=20, rely=0.8, width=100, relheight=0.1)

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label1 = tk.Label(root, text="底层", bg="red", fg="white")
label1.place(x=100, y=100, width=200, height=100)

label2 = tk.Label(root, text="上层", bg="blue", fg="white")
label2.place(x=150, y=150, width=200, height=100) 
# 后放置的在上层 (•̀ᴗ•́)و

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def update_size(event):
    button.place(x=event.width/2-50, y=event.height-50, width=100, height=30)
  
root.bind("<Configure>", update_size)

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frame = tk.Frame(root, bg="lightgray")
frame.place(relx=0.1, rely=0.1, relwidth=0.8, relheight=0.8)

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def create_custom_window():
    win = tk.Toplevel(root)
    win.geometry("300x200")
  
    # 标题
    title = tk.Label(win, text="自定义窗口", font=("Arial", 14, "bold"))
    title.place(relx=0.5, rely=0.1, anchor="center")
  
    # 内容
    content = tk.Label(win, text="这是使用place布局的自定义窗口", wraplength=250)
    content.place(relx=0.5, rely=0.4, anchor="center")
  
    # 关闭按钮
    close_btn = tk.Button(win, text="关闭", command=win.destroy)
    close_btn.place(relx=0.5, rely=0.8, anchor="center", width=80, height=30)
  
    # 装饰元素
    decor1 = tk.Label(win, bg="gold", width=5, height=1)
    decor1.place(x=0, y=0)
    decor2 = tk.Label(win, bg="gold", width=5, height=1)
    decor2.place(relx=1.0, rely=1.0, anchor="se")

# 主窗口按钮
main_btn = tk.Button(root, text="创建窗口", command=create_custom_window)
main_btn.place(relx=0.5, rely=0.7, anchor="center")

root.mainloop()