python：tkinter 生成 buttonBar 示例-Toy模板网

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tk_test1.py 程序如下

# -*- coding: utf-8 -*-
import os
import tkinter as tk
from tkinter import filedialog

root = tk.Tk()
root.title("生成 buttonBar 示例 ")
var = tk.StringVar() # 动态字符串
label = tk.Label(root, textvariable=var, font="Song 12")
listbox = tk.Listbox(root, selectmode=tk.SINGLE, font="Song 12")

class Application(tk.Frame):
    def __init__(self, master=None):
        super().__init__(master)
        self.master = master
        self.pack()

    def create_buttonbar(self):
        self.button1 = tk.Button(self, text="选文件夹", command=self.opendir)
        self.button1.pack(side="left", padx=5, pady=2)

        self.button2 = tk.Button(self, text="Play", command=self.play)
        self.button2.pack(side="left", padx=5, pady=2)

        self.button3 = tk.Button(self, text="Stop", command=self.stop)
        self.button3.pack(side="left", padx=5, pady=2)

        self.button4 = tk.Button(self, text="Pause", command=self.pause)
        self.button4.pack(side="left", padx=5, pady=2)

        self.button5 = tk.Button(self, text="unpause", command=self.unpause)
        self.button5.pack(side="left", padx=5, pady=2)

        self.button6 = tk.Button(self, text="Quit", fg="red", 
                                       command=self.master.destroy)
        self.button6.pack(side="left", padx=5, pady=2)

    def opendir(self):
        dir1 = filedialog.askdirectory()
        if dir1 == '':
           return 1
        var.set(dir1)
        os.chdir(dir1)
        files = os.listdir(dir1)
        if len(files) > 0:
            listbox.delete(0, tk.END)
            i = 0
            for fname in files:
                listbox.insert(i,fname)
                i += 1

    def play(self):
        var.set(listbox.get(tk.ACTIVE))

    def stop(self):
        print("stop button.")

    def pause(self):
        print("pause button.")

    def unpause(self):
        print("unpause button.")


label.pack(side="top")
app = Application(master=root)
app.create_buttonbar()
app.pack()
listbox.pack(side="bottom", fill='both', padx=5, pady=2)
app.mainloop()

运行 python tk_test1.py

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