环境安装

pip install ttkbootstrap

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示例1：基础主题切换器

import ttkbootstrap as ttk
from ttkbootstrap.constants import *

def create_theme_switcher():
    root = ttk.Window(title="主题切换器", themename="cosmo")
    
    def change_theme():
        selected = theme_var.get()
        root.style.theme_use(selected)
    
    theme_var = ttk.StringVar(value="cosmo")
    themes = root.style.theme_names()  # 获取所有可用主题
    
    frame = ttk.Frame(root, padding=10)
    frame.pack(fill=BOTH, expand=YES)
    
    ttk.Label(frame, text="选择主题࿱