我正在使用Tkinter根据剩余库存量显示不同颜色的漫画书。该功能的颜色部分正常工作,并且对象/类工作正常,但仅显示列表中最后一个对象的文本,如图像和外壳所示。
功能。
stock = StringVar()
def update_label():
counter = 1
for c in comics:
stock.set("")
counter += 1
if c._stock >= 10:
colour = "green"
elif c._stock <= 3:
colour = "red"
elif c._stock <= 6:
colour = "orange"
stock.set(c._name + " - " + str(c._stock)+ " remaining")
print (colour)
print (stock.get())
Label(stock_frame, textvariable=stock, fg = colour, bg ="#333333").grid(row=counter, column = 0, pady=(0,10))
Shell输出。
orange
A Great Comic - 7 remaining
red
Jerry Java - 1 remaining
green
Tony Tkinter - 11 remaining
orange
Scratch The Cat - 5 remaining
red
Python Panic - 3 remaining
>>>
Image of colours working but not text 因此,文本和颜色在外壳程序中有效,但只有颜色在GUI中有效。我假设问题出在标签和文本变量上,但是我无法弄清楚为什么它只重复列表中的最后一个对象。
预先感谢
答案 0 :(得分:0)
我相信您的问题是您为每个 units = int(input("Enter the units"))
if(1<=units and 150>=units):
firstSum = units * 2.50
print("First sum:-", firstSum)
if(151<=units and 300>=units):
firstSum = 150 * 2.50
subUnits = units - 150
secondSum = firstSum + (subUnits * 3.60)
print(secondSum)
if(301<=units and 450>=units):
firstSum = 150 * 2.50
subUnits1 = units - 150
firstSum += 150 * 3.60
subUnits = subUnits1 - 150
secondSum = firstSum + subUnits * 4.75
print(secondSum)
if(451<=units and 600>= units):
firstSum = 150 * 2.50
subUnits1 = units - 150
firstSum += 150 * 3.60
subUnits1 -= 150
firstSum += subUnits1 * 4.75
subUnits = subUnits1 - 150
secondSum = firstSum + subUnits * 5
print(secondSum)
if(601<=units):
firstSum = 150 * 2.50
subUnits1 = units - 150
firstSum += 150 * 3.60
subUnits1 -= 150
firstSum += subUnits1 * 4.75
subUnits2 = subUnits1 - 150
firstSum += 150 * 5
subUnits = subUnits2 - 150
secondSum = firstSum + subUnits * 6
print(secondSum)
重新使用相同 StringVar
。您应该为每个 Label
分配一个StringVar
。您没有为我提供足够的代码来进行测试,但是我相信它会像这样:
Label