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我使用tkinter製作轉換器單元。我的代碼確實顯示了一個錯誤,但沒有出現在屏幕我無法在我的tkinter屏幕上顯示答案
# implement the variable
var1 = DoubleVar()
var2 = StringVar()
var3 = StringVar()
def conver():
t1 = { "km": 1000,
"hm" : 100,
"dam": 10,
"m": 1,
"dm" : 0.1,
"cm": 0.01,
"mm" : 0.001 }
t2 = { "kg": 1000,
"hg" : 100,
"dag": 10,
"g" : 1,
"dg" : 0.1,
"cg": 0.01,
"mmg": 0.001}
A = var1.get()
B = var1.get()
C = var3.get()
if B in t1.keys() and C in t1.keys():
B1 = t1[B]
C1 = t1[c]
N = A * (B1/C1)
text.insert(END, str(N))
Number = Entry(Left, bd = 10, text = var1)
Number.grid(row = 0)
Number1 = Entry(Left, bd = 10, text = var2)
Number1.grid(row = 0,column = 1)
Number2 = Label(Left, bd
=10,tex"en",font("arial",10,"bold"))
Number2.grid(row = 0,column = 2)
Number3 = Entry(Left, bd = 10, text = var3)
Number3.grid(row = 0,column=3)
number4 = Button(Left,font =
("arial",10,"bold"),text = "Cacul",command =
conver,bg = "SeaGreen1" ,bd = 10)
number4.grid(row =10)
Right = Frame(root,bd =10)
Right.pack(side= RIGHT)
text = Text(Right, bd =10, width = 50, height =
20)
text.pack(side = RIGHT)
我想一個單位轉換爲特定的單位比如(1公里=千米),當我運行我的代碼,我看就沒事就屏幕。我不知道我做錯了什麼。我把我的代碼放在一邊。謝謝!
向我們展示一個[mcve],我們可以運行並查看您遇到的錯誤,包括導入和正確的縮進。 – Novel
首先打印A,B和C以查看您正在使用的內容。然後,對Entry使用「textvariable =」(它是一個變量,而不是顯示在屏幕上的某些文本)。請參閱「您也可以將條目小部件綁定到StringVar實例,並通過該變量設置或獲取條目文本」,地址爲http://effbot.org/tkinterbook/entry.htm –