如何在ttk中更改背景颜色python

我制作了一个简单的gui age转换器应用程序，但我想将其bg颜色更改为黑色。问题在于ttk frame.i不知道如何配置它的bg颜色。我尝试了不同的方法，但没有奏效。如果你们能帮忙，我将不胜感激。这里是代码如何在ttk中更改背景颜色python

from tkinter import * 
from tkinter import ttk 
from PIL import Image 




def calculate(*args): 
     try: 
      age_sec = int(age.get()) 
      age_sec = age_sec * 12 * 365 * 24 * 60 * 60 
      age_seconds.set(age_sec) 
     except: 
      age_seconds.set('Either the field is empty or \n value is not numeric.') 

root = Tk() 
root.title("Converter") 
root.configure(background="black") 
mainframe = ttk.Frame(root, padding = "6 6 12 12") 
mainframe.grid(column = 0, row = 0, sticky = (N, W, E, S)) 
mainframe.columnconfigure(0, weight = 1) 
mainframe.rowconfigure(0, weight = 1) 

#mainframe['borderwidth'] = 2 
#mainframe['relief'] = 'groove' 

age = StringVar() 
age_seconds = StringVar() 

ttk.Label(mainframe, foreground = "#4D4E4F", text = "Enter your Age: ").grid(column = 1, row = 1, sticky = E) 
age_entry = ttk.Entry(mainframe, width = 30, textvariable = age) 
age_entry.grid(column = 2, row = 1, sticky = (W, E)) 

ttk.Label(mainframe, foreground = "#4D4E4F", text = "your age in seconds is ").grid(column = 1, row = 2, sticky = (E)) 

ttk.Label(mainframe, textvariable = age_seconds, background = "lightyellow", foreground = "#727475", width = 30).grid(column = 2, row = 2, sticky = W) 


#Mouse Events...\\ 

butt_image = PhotoImage(file = 'images.gif') 
ttk.Button(mainframe, compound = TOP, text = "Hit Now", image =butt_image, cursor = "hand2", width= 30, command = calculate).grid(column = 2, row = 4, sticky = W) 
l2 = ttk.Label(mainframe,foreground = "#4D4E4F", text = "Mouse Events: ").grid(column = 1, row = 3, sticky = E) 
l = ttk.Label(mainframe,background = "lightyellow", foreground = "#727475", text = 'Measurement is starting...', width = 30) 
l.grid(column = 2, row = 3, sticky = W) 
l.bind('<Enter>', lambda e: l.configure(text = 'Moved Mouse Inside')) 
l.bind('<Leave>', lambda e: l.configure(text = 'Mouse Moved Out')) 
l.bind('<1>', lambda e: l.configure(text = 'left Mouse clicked')) 
l.bind('<Double-1>', lambda e: l.configure(text = 'Double clicked')) 
l.bind('<B1-Motion>', lambda e: l.configure(text = 'Left button drag to %d, %d' %(e.x, e.y))) 
image = PhotoImage(file = 'waves.gif') 
ttk.Label(mainframe, compound = CENTER, text = "Image text", font = ('roman', 9, 'normal'), foreground ='green', image = image).grid(column = 3, row = 1, sticky = (N, E)) 
#if '__name__' == '__main__': 
for child in mainframe.winfo_children(): child.grid_configure(padx = 15, pady = 15) 
age_entry.focus() 
root.bind('<Return>', calculate) 
root.mainloop()

来源

2016-08-02 Ahmad