嘗試通過單擊按鈕來添加不同尺寸和配料的價格以顯示總訂單。
def show_answer():
print (box1.get())
print (box2.get())
print (box3.get())
Label (main, text="Select Scoops: ").grid(row=5, column=1)
Scoops =['One','Two','Three']
box2 = ttk.Combobox (main, values=Scoops)
box2.grid(row=5, column=2)
Label (main, text="Select Topping: ").grid(row=7, column=1)
Toppings =['Nuts','Whipped Cream','Cherries']
box3 = ttk.Combobox (main, values=Toppings)
box3.grid(row=7, column=2)
Button (main, text='Order Now', command=show_answer).grid (row=9, column=2, sticky=W, pady=6)
uj5u.com熱心網友回復：
您可以使用字典來存盤不同勺子和澆頭的價格，然后您可以根據所選勺子和澆頭計算總價show_answer()：
...
def show_answer():
scoop = box2.get()
topping = box3.get()
if scoop and topping:
total_price = Scoops[scoop] Toppings[topping]
total_lbl['text'] = f'Total price is ${total_price}'
else:
total_lbl['text'] = 'Select both scoop and topping'
Label (main, text="Select Scoops: ").grid(row=5, column=1)
Scoops = {
'One': 10,
'Two': 18,
'Three': 24
}
box2 = ttk.Combobox (main, values=list(Scoops.keys()))
box2.grid(row=5, column=2)
Label (main, text="Select Topping: ").grid(row=7, column=1)
Toppings = {
'Nuts': 3.5,
'Whipped Cream': 2.5,
'Cherries': 5
}
box3 = ttk.Combobox (main, values=list(Toppings.keys()))
box3.grid(row=7, column=2)
Button(main, text='Order Now', command=show_answer).grid(row=9, column=2, sticky=W, pady=6)
# label to show the total price
total_lbl = Label(main)
total_lbl.grid(row=10, column=1, columnspan=2)
...
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