教你python tkinter实现简单计算器功能

卧疾丰暇豫，翰墨时间作。这篇文章主要讲述教你python tkinter实现简单计算器功能相关的知识，希望能为你提供帮助。

这篇文章主要为大家详细介绍了python tkinter实现简单计算器功能，文中示例代码介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们可以参考一下

本文实例为大家分享了python tkinter实现简单计算器的具体代码，供大家参考，具体内容如下
【教你python tkinter实现简单计算器功能】效果图

直接上代码

import tkinter as tk

input_num_ls = []
first_num = None
calculator_method = None

def get_num(ls):

new_ls = [10 ** i * float(num) for i, num in enumerate(ls)]

ls_sum = sum(new_ls)

if int(ls_sum) == ls_sum:
return int(ls_sum)

else:
return ls_sum

def append_num(num):
global input_num_ls
if len(num) < 10:
input_num_ls.append(num)
else:
input_num_ls.append(num[:10])

current_value.set(get_num(input_num_ls))

print(input_num_ls)

def append_calculator(method):
global input_num_ls, first_num, calculator_method
calculator_method = method
first_num = get_num(input_num_ls)
input_num_ls = []
print(method, calculator_method)

def calculator_result():
global first_num, input_num_ls, calculator_method

second_num = get_num(input_num_ls)

input_num_ls.clear()

if calculator_method == +:
current_value.set(second_num + first_num)
input_num_ls.append(str(second_num + first_num))

elif calculator_method == -:
current_value.set(first_num - second_num)
input_num_ls.append(str(first_num - second_num))

elif calculator_method == *:
current_value.set(first_num * second_num)
input_num_ls.append(str(second_num * first_num))

elif calculator_method == /:
current_value.set(first_num / second_num)
input_num_ls.append(str(first_num / second_num))

print(first_num, second_num, calculator_method)

def clear():
global first_num, input_num_ls, calculator_method
first_num = None
input_num_ls = []
calculator_method = None
current_value.set(0)

def func():
pass

# 主体窗口
window = tk.Tk()

# 设置窗口标题
window.title(简易计算器)

# 设置窗口宽高
window.geometry(400x300)

# 添加user显示屏幕背景
screen_area = tk.Frame(width=400, height=100, bg=#ddd)
# 放置到window中
screen_area.pack()

# 示例设置显示的数据类
current_value = https://www.songbingjia.com/android/tk.StringVar()
current_value.set(0)

# 数字显示框
# anchor文本相对于标签中心的位置默认是center N S W E
show_screen_label = tk.Label(screen_area, textvariable=current_value, bg=white, width=400, height=2, font=黑体, 40, bold, anchor=e)
show_screen_label.pack(padx=10, pady=6)

# 按键区域
button_area = tk.Frame(width=300, height=300, bg=#ccc)
button_area.pack(padx=10, pady=5)

# 添加button
tk.Button(button_area, text=C, width=5, height=1, command=lambda: clear()).grid(row=1, column=0)
tk.Button(button_area, text=+, width=5, height=1, command=lambda: append_calculator(+)).grid(row=1, column=1)
tk.Button(button_area, text=-, width=5, height=1, command=lambda: append_calculator(-)).grid(row=1, column=2)
tk.Button(button_area, text=*, width=5, height=1, command=lambda: append_calculator(*)).grid(row=1, column=3)
tk.Button(button_area, text=7, width=5, height=1, command=lambda: append_num(7)).grid(row=2, column=0)
tk.Button(button_area, text=8, width=5, height=1, command=lambda: append_num(8)).grid(row=2, column=1)
tk.Button(button_area, text=9, width=5, height=1, command=lambda: append_num(9)).grid(row=2, column=2)
tk.Button(button_area, text=/, width=5, height=1, command=lambda: append_calculator(/)).grid(row=2, column=3)
tk.Button(button_area, text=4, width=5, height=1, command=lambda: append_num(4)).grid(row=3, column=0)
tk.Button(button_area, text=5, width=5, height=1, command=lambda: append_num(5)).grid(row=3, column=1)
tk.Button(button_area, text=6, width=5, height=1, command=lambda: append_num(6)).grid(row=3, column=2)
tk.Button(button_area, text==, width=5, height=1, command=lambda: calculator_result()).grid(row=3, column=3)
tk.Button(button_area, text=1, width=5, height=1, command=lambda: append_num(1)).grid(row=4, column=0)
tk.Button(button_area, text=2, width=5, height=1, command=lambda: append_num(2)).grid(row=4, column=1)
tk.Button(button_area, text=3, width=5, height=1, command=lambda: append_num(3)).grid(row=4, column=2)
tk.Button(button_area, text=C, width=5, height=1, command=lambda: clear()).grid(row=4, column=3)

window.mainloop()