[英]Why are my options for Frames not showing in tkinter?
這是我正在制作的 UI 設計的代碼:
from tkinter import *
import random
import time
import sqlite3
from tkinter import simpledialog
from tkinter import messagebox
from tkcalendar import *
from tkinter import ttk
import math
from PIL import Image, ImageTk
import winsound
##-------------Frames setup--------------------------
class VendingApp(Tk):
def __init__(self):
Tk.__init__(self)
self._frame = None
self.switch_frame(Store)
def switch_frame(self, frame_class):
#Destroys current frame and replaces it with a new one.
new_frame = frame_class(self)
if self._frame is not None:
self._frame.destroy()
self._frame = new_frame
self._frame.pack()
class Store(Frame):
def __init__(self, master):
Frame.__init__(self, master)
self._images = list()
img_banner = Image.open("pic/banner.jpg")
img_banner = img_banner.resize((400, 100), Image.ANTIALIAS)
banner = ImageTk.PhotoImage(img_banner)
img_logo = Image.open("pic/sitelogo.png")
img_logo = img_logo.resize((100, 100), Image.ANTIALIAS)
logo = ImageTk.PhotoImage(img_logo)
self._images.append(logo)
self._images.append(banner)
##---------------------Top frame Home------------------------------------
topFrame = Frame(self, width=500, height=100)
topFrame.grid(row = 0, column = 0, columnspan = 2)
topFrame.grid_propagate(False)
canvas_for_logo = Canvas(topFrame, height=100, width=100, bg='green') ##logo image
canvas_for_logo.grid(row=0, column=0, sticky='nesw')
canvas_for_logo.grid_propagate(False)
canvas_for_logo.create_image(0, 0, anchor=NW, image=logo)
canvas_for_banner = Canvas(topFrame, height=100, width=400 ) # banner image
canvas_for_banner.grid(row=0, column=1, sticky='nesw')
canvas_for_banner.grid_propagate(False)
canvas_for_banner.create_image(0, 0, anchor=NW, image=banner)
##---------------------------------Midd-------------------
LeftSide = Frame(self,width = 150, height = 450, relief = RAISED, bg = 'grey')
LeftSide.grid(row = 1, column = 0)
RightSide = Frame(self,width = 350, height = 450, bg = 'red')
RightSide.grid(row = 1, column = 1)
BottomFrame = Frame(self,width = 500, height = 50, bg = 'black')
BottomFrame.grid(row = 2, column =0, columnspan = 2)
test_btn = Button(BottomFrame, command = None, bg = 'green', width = 5, height = 5)
test_btn.pack()
#----------------------------------------------------------------------------------------
if __name__ == "__main__":
root = VendingApp()
#Renames the TITLE of the window
root.title("Vending machine")
root.geometry("500x600")
root.resizable(False, False)
root.mainloop()
我有幾個問題:
為什么左側框架上的RAISE浮雕不顯示? (編輯:這個問題已經回答)
為什么左右框的bg變了,底下的bg沒有變? (編輯:這個問題已經回答)
如果您用任何圖片替換徽標和橫幅,我相信您會看到徽標上都有一個空白空間,一個在徽標和應用程序的邊緣之間,一個在徽標和橫幅之間. 為什么會這樣? (編輯:我做了更多的研究,終於找到了解決方案)
每一個回應都非常感謝。
bd=5
(邊框大小)pack()
和grid()
。 其次,當您將 btn 添加到底部框架時,框架采用按鈕的大小。 您必須使用BottomFrame.propagate(0)
忽略按鈕大小。使用 grid_propagate(0) 和 test_btn.grid()
BottomFrame.grid(row=2, column=0, columnspan=2)
BottomFrame.grid_propagate(0)
test_btn = Button(BottomFrame, command=None, bg='green', width=5, height=5)
test_btn.grid()
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