import tkinter as tk
mywindow = tk.Tk()
mywindow.title("博仁牌计算器")
mywindow.geometry("280x500")
label1 = tk.Label(
mywindow,
font=(None, 20),
bg="#7FFFAA",
fg="#000000",
bd=9,
anchor='se', # 船锚 north 北 west 西 east东 south南
text='计算结果'
)
label1.place(x=0, y=0, width=280, height=170)
label2 = tk.Label(
mywindow,
font=(None, 30),
bg="#48D1CC",
fg="#000000",
bd=9,
anchor="se",
text="计算公式"
)
label2.place(x=0, y=170, width=280, height=60)
gong_shi = ""
def press(text):
global gong_shi
gong_shi = gong_shi+text
label2['text'] = gong_shi
def dengyu():
# 全局变量express
global gong_shi
# 修改label1标签
label1["text"]=eval(gong_shi)
def btn(text, x, y, h=55,w=70):
btn7 = tk.Button(
mywindow,
text=text,
font=(None, 20),
fg= '#00008B',
bd=0.5,
command = lambda:press(text)
)
btn7.place(x=x ,y=y ,width=w ,height=h)
def qingchu():
# 全局变量公式
global gong_shi
gong_shi=""
# 公式改成空字符串
label2["text"] = ""
# btn("AC" ,0 ,230)
btnAC = tk.Button(
mywindow,
text='AC',
font=(None, 20),
fg='#00008B',
bd=0.5,
command=qingchu
)
btnAC.place(x=0, y=230, width=70, height=55)
# btn("DEL" ,70 ,230)
def tuiwei():
global gong_shi
gong_shi = gong_shi[0:len(gong_shi) - 1]
label2['text'] = gong_shi
btnDEL = tk.Button(
mywindow,
text='DEL',
font=(None, 20),
fg='#00008B',
bd=0.5,
command=tuiwei
)
btnDEL.place(x=70, y=230, width=70, height=55)
btn("/" ,140 ,230)
btn("*" ,210 ,230)
# 第二排
btn('7' ,0 ,285)
btn('8',70 ,285)
btn('9' ,140 ,285)
btn('-' ,210 ,285)
# 第三排
btn('4' ,0 ,340)
btn('5' ,70 ,340)
btn('6' ,140 ,340)
btn('+' ,210 ,340)
# 第四排
btnDeng = tk.Button(
mywindow,
text='=',
font=(None, 20),
fg='#00008B',
bd=0.5,
command=dengyu
)
btnDeng.place(x=210, y=395, width=70, height=110)
btn('1' ,0 ,395)
btn('2' ,70 ,395)
btn('3',140 ,395)
#第五排
btn("%",0 ,450,w=35)
btn(".",35 ,450,w=35)
btn('0' ,70 ,450)
btn("(",140 ,450,w=35)
btn(")",175 ,450,w=35)
mywindow.mainloop()
boren -学习制作博仁牌计算器
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转载自blog.csdn.net/houlaos/article/details/103952196
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