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【作品展示】

 

【作品介绍】

小学生最想要的简易计算器

 

【作品源代码】

from tkinter import *
root = Tk()
root.geometry("400x520")
root.title("电子计算机")
ft = ("华文琥珀", 20)
Label(root, text = "计算:", font = ft).place(x = 20, y = 20)
Label(root, text = "结果:", font = ft).place(x = 20, y = 70)
la1 = Label(root, text = "", font = ft)
la1.place(x = 100, y = 20)
la2 = Label(root, text = "0", font = ft)
la2.place(x = 100, y = 70)
def onclick(t):
    if t == "清除":
        la1["text"] = ""
        la2["text"] = "0"
    elif t == "=":
        a = la1["text"]
        la2["text"] = str(eval(a))
    else:
        la1["text"] = la1["text"] + t
def makeButton(t, x, y):
    bu = Button(root, text = t, font = ft, command = lambda:onclick(t))
    bu.place(x = x, y = y, width = 100, height = 100)
arr = []
arr.extend(["0", "清除", "=", "+"])
arr.extend(["1", "2", "3", "-"])
arr.extend(["4", "5", "6", "*"])
arr.extend(["7", "8", "9", "/"])
count = 0
for a in range(4):
    y = 120 + 100 * a
    for b in range(4):
        x = b * 100
        t = arr[count]
        makeButton(t, x, y)
        count += 1
mainloop()

 

【提示】

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