python|python tkinter实现简单计算器功能 pythontkinter实现简单计算器功能

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
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【python|python tkinter实现简单计算器功能】直接上代码

import tkinter as tkinput_num_ls = []first_num = Nonecalculator_method = Nonedef 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_sumdef append_num(num):global input_num_lsif 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_methodcalculator_method = methodfirst_num = get_num(input_num_ls)input_num_ls = []print('method', calculator_method)def calculator_result():global first_num, input_num_ls, calculator_methodsecond_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_methodfirst_num = Noneinput_num_ls = []calculator_method = Nonecurrent_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.it610.com/article/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 Eshow_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buttontk.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()

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。