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180 | # 從 Brython 引入 document 並以 doc 為別名
from browser import document as doc
# 暫存輸入
command = ""
# 狀態變數
result = False
# 進行按鈕 1
def method_1(event):
global command, result
if not result:
command += "1"
else:
command = "1"
result = False
doc["display"].text = command
# 進行按鈕 2
def method_2(event):
global command, result
if not result:
command += "2"
else:
command = "2"
result = False
doc["display"].text = command
# 進行按鈕 3
def method_3(event):
global command, result
if not result:
command += "3"
else:
command = "3"
result = False
doc["display"].text = command
# 進行按鈕 4
def method_4(event):
global command, result
if not result:
command += "4"
else:
command = "4"
result = False
doc["display"].text = command
# 進行按鈕 5
def method_5(event):
global command, result
if not result:
command += "5"
else:
command = "5"
result = False
doc["display"].text = command
# 進行按鈕 6
def method_6(event):
global command, result
if not result:
command += "6"
else:
command = "6"
result = False
doc["display"].text = command
# 進行按鈕 7
def method_7(event):
global command, result
if not result:
command += "7"
else:
command = "7"
result = False
doc["display"].text = command
# 進行按鈕 8
def method_8(event):
global command, result
if not result:
command += "8"
else:
command = "8"
result = False
doc["display"].text = command
# 進行按鈕 9
def method_9(event):
global command, result
if not result:
command += "9"
else:
command = "9"
result = False
doc["display"].text = command
# 進行按鈕 0
def method_0(event):
global command, result
if not result:
command += "0"
else:
command = "0"
result = False
doc["display"].text = command
# 進行按鈕 .
def method_dot(event):
global command
command += "."
doc["display"].text = command
# 進行按鈕 +
def method_add(event):
global command, result
if result:
result = False
command += "+"
doc["display"].text = command
# 進行按鈕 -
def method_mimus(event):
global command, result
if result:
result = False
command += "-"
doc["display"].text = command
# 進行按鈕 *
def method_multiply(event):
global command, result
if result:
result = False
command += "*"
doc["display"].text = command
# 進行按鈕 /
def method_divide(event):
global command, result
if result:
result = False
command += "/"
doc["display"].text = command
# 進行按鈕 =
def method_equal(event):
global command, result
if command == "":
doc["display"].text = "0"
else:
command = str(eval(command))
doc["display"].text = command
result = True
# 按鈕註冊事件
doc["button1"].bind("click", method_1)
doc["button2"].bind("click", method_2)
doc["button3"].bind("click", method_3)
doc["button4"].bind("click", method_4)
doc["button5"].bind("click", method_5)
doc["button6"].bind("click", method_6)
doc["button7"].bind("click", method_7)
doc["button8"].bind("click", method_8)
doc["button9"].bind("click", method_9)
doc["button0"].bind("click", method_0)
doc["button_dot"].bind("click", method_dot)
doc["button_add"].bind("click", method_add)
doc["button_minus"].bind("click", method_mimus)
doc["button_multiply"].bind("click", method_multiply)
doc["button_divide"].bind("click", method_divide)
doc["button_equal"].bind("click", method_equal)
# 檔名: exercise4310.py
# 說明:《Python入門指南》的練習
# 網站: http://kaiching.org
# 作者: 張凱慶
# 時間: 2023 年 12 月
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