【发布时间】：2017-08-15 13:35:30
【问题描述】：
我一直在用 Tkinter 为计算器做一个 python 应用程序。我想知道如何通过使用字符串来访问按钮属性，例如它们的大小、高度、宽度和颜色。到目前为止，我已经能够使用 style.configure("TButton", background='red', 字体="衬线 15", 填充=10 )。
如何更改按钮本身？如果有人可以帮助我，我将不胜感激。
from tkinter import *
from tkinter.ttk import *
from tkinter import ttk
class Calculator:
calc_value = 0.0
div_trigger = False
mult_trigger = False
add_trigger = False
sub_trigger = False
def __init__(self,root):
self.entry_value = StringVar(root,value="")
root.title("Calculator")
root.geometry("600x500")
root.resizable(width=True, height=True)
style = ttk.Style()
style.configure(self, background='red')
style.configure("TButton", #background='red',
font="Serif 15",
padding=10 )
style.configure("TEntry",
font="Serif 15",
padding=10 )
self.number_entry = ttk.Entry(root,
textvariable=self.entry_value,width=50)
self.number_entry.grid(row=0, columnspan=4)
#-------1st row---------
self.button7 = ttk.Button(root, text="7",
command=lambda: self.button_press('7')).grid(row=1, column=0)
self.button8 = ttk.Button(root, text="8",
command=lambda: self.button_press('8')).grid(row=1, column=1)
self.button9 = ttk.Button(root, text="9",
command=lambda: self.button_press('9')).grid(row=1, column=2)
self.button_div = ttk.Button(root, text="/",
command=lambda: self.button_press('/')).grid(row=1, column=3)
#-------2nd row---------
self.button4 = ttk.Button(root, text="4",
command=lambda: self.button_press('4')).grid(row=2, column=0)
self.button5 = ttk.Button(root, text="5",
command=lambda: self.button_press('5')).grid(row=2, column=1)
self.button6 = ttk.Button(root, text="6",
command=lambda: self.button_press('6')).grid(row=2, column=2)
self.button_mult = ttk.Button(root, text="*",
command=lambda: self.button_press('*')).grid(row=2, column=3)
#-------3rd row---------
self.button1 = ttk.Button(root, text="1",
command=lambda: self.button_press('1')).grid(row=4, column=0)
self.button2 = ttk.Button(root, text="2",
command=lambda: self.button_press('2')).grid(row=4, column=1)
self.button3 = ttk.Button(root, text="3",
command=lambda: self.button_press('3')).grid(row=4, column=2)
self.button_add = ttk.Button(root, text="+",
command=lambda: self.button_press('+')).grid(row=4, column=3)
#-------4th row---------
self.button_clear = ttk.Button(root, text="AC",
command=lambda: self.button_press('AC')).grid(row=5, column=0)
self.button0 = ttk.Button(root, text="0",
command=lambda: self.button_press('0')).grid(row=5, column=1)
self.button_equal = ttk.Button(root, text="=",
command=lambda: self.button_press('=')).grid(row=5, column=2)
self.button_sub = ttk.Button(root, text="-",
command=lambda: self.button_press('-')).grid(row=5, column=3)
root = Tk()
calc = Calculator(root)
root.mainloop()
#button1 = Button(topframe,padx=16, pady=16, bd=8, text="1", fg="black", bg = random.choice(colors))
【问题讨论】：
标签： python user-interface button tkinter calculator