Python简单计算器程序

Python简单计算器程序_第1张图片

import tkinter as tk

def add():

    try:

        x = float(entry_x.get())

        y = float(entry_y.get())

        result = x + y

        label_result.config(text=result)

    except ValueError:

        label_result.config(text="输入错误!")



def subtract():

    try:

        x = float(entry_x.get())

        y = float(entry_y.get())

        result = x - y

        label_result.config(text=result)

    except ValueError:

        label_result.config(text="输入错误!")

def multiply():

    try:

        x = float(entry_x.get())

        y = float(entry_y.get())

        result = x * y

        label_result.config(text=result)

    except ValueError:

        label_result.config(text="输入错误!")

def divide():

    try:

        x = float(entry_x.get())

        y = float(entry_y.get())

        if y == 0:

            raise ZeroDivisionError("除数不能为0!")

        result = x / y

        label_result.config(text=result)

    except ValueError:

        label_result.config(text="输入错误!")

    except ZeroDivisionError as e:

        label_result.config(text=e)



root = tk.Tk()

root.title("计算器-张骏")



# 创建两个输入框

label_x = tk.Label(root, text="请输入第一个数:")

label_x.grid(row=0, column=0)

entry_x = tk.Entry(root)

entry_x.grid(row=0, column=1)



label_y = tk.Label(root, text="请输入第二个数:")

label_y.grid(row=1, column=0)

entry_y = tk.Entry(root)

entry_y.grid(row=1, column=1)

# 创建四个按钮

button_add = tk.Button(root, text="这个是加号", command=add)

button_add.grid(row=2, column=0)

button_subtract = tk.Button(root, text="这个是减号", command=subtract)

button_subtract.grid(row=2, column=1)

button_multiply = tk.Button(root, text="这个是乘号", command=multiply)

button_multiply.grid(row=3, column=0)

button_divide = tk.Button(root, text="这个是除号", command=divide)

button_divide.grid(row=3, column=1)

button_quit= tk.Button(root, text="退出", command=quit)##退出yhon

button_quit.grid(row=5, column=1)

# 创建一个标签用于显示计算结果

label_result = tk.Label(root, text="")

label_result.grid(row=4, column=0, columnspan=2)

root.mainloop()

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