tkinter Combobox组件

Combobox
values 设定可选内容
state  设定状态。readonly时只可选择，不可更改内容
.current 设定选择内容，参数为可选列表的0-index

有虚拟事件 "" 当列表选择时触发绑定函数

#!/usr/bin/env python3
# coding=utf-8

from tkinter import *
from tkinter import ttk

__author__ = 'Administrator'


def show_msg(*args):
    print(players.get())

root = Tk()
name = StringVar()
players = ttk.Combobox(root, textvariable=name)
players["values"] = ("成龙", "刘德华", "周星驰")
players["state"] = "readonly"

players.current(2)
# players.set("演员表")
# print(players.get())

players.bind("<>", show_msg)

players.pack()
root.mainloop()