Listbox 列表部件

import tkinter as tk

window = tk.Tk()
window.title("daxiangcai's title")
window.geometry('800x400')


def printselection():  # 改变
    value = lb.get(lb.curselection())  # 获取光标所选的列表项
    var1.set(value)


var1 = tk.StringVar()
var2 = tk.StringVar()
var2.set((1, 2, 3, 4))  # 不会报错，但是有警告，说应为str，实际为tuple

l = tk.Label(window, bg='green', width=4, textvariable=var1)
l.pack()

b1 = tk.Button(window, text="print selection", width=15, height=2, command=printselection)
b1.pack()

lb = tk.Listbox(window, listvariable=var2)  # 列表框
listitems = ['one', 'two', 'three', 'four']
for item in listitems:
    lb.insert('end', item)  # 插入到末尾
lb.insert(0, 'beginning')  # 插入到0位
lb.insert(1, 'jump a queue')
lb.delete(1)  # 删除1位
lb.pack()

window.mainloop()