小编tha*_*808的帖子

我是 tkinter 的新手，我在使用 python GUI 上的按钮时遇到了问题。我创建了按钮及其背后的功能，但我无法单击该按钮。有人可以告诉我我做错了什么吗？用户界面出现了，我可以看到我无法点击的按钮。

import tkinter as tk

from tkinter import filedialog, Text

import os


#main
root = tk.Tk()

def addApp():
    filename = filedialog.askopenfilename(initialir= "/", title= "Select File",
                                          filetypes = (("executables", "*.exe"),
                                                        ("all files", "*.*")))

canvas = tk.Canvas(root, height=700, width=700, bg="#33F9FF")

canvas.pack()

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

openFile = tk.Button(root, text = "Open File", padx = 10, pady = 5, fg="black",
                     bg="#33F9FF", command="addApp")

openFile.pack()

runApps = tk.Button(root, text = "Run Apps", …