这是我从零开始写的第一个Tkinter程序。我做过关于Tkinter的教程,但我还是个新手。谢谢你的耐心
我在Tkinter中为我的学生创建了一个“二进制助手”,但我在尝试连接字符串值以显示在标签中的部分上遇到了问题。当我单击其中一个“位”按钮时,它会自动更新“开/关”图像,在标签中显示“0”或“1”,在另一个标签中显示位值。它可以正确地执行所有这些操作,但是当它还应该在不同标签的顶部显示“组合”二进制值时,它可以在每次打开一个时正常工作,但当我“关闭”它和任何其他值是“开”它显示在顶部的二进制值都是“关闭”即“00000000”而不是实际的二进制值
菲伊:我知道我还没有把“第纳尔”值编码好……这个问题解决后我会这么做的
任何想法、建议或帮助都将不胜感激
这是我目前的密码
#Binary Helper with OOP - edujo (11/04/2018)
#Version 6
from tkinter import *
from PIL import Image, ImageTk
tk = Tk()
tk.title("Binary Helper")
tk.configure(bg = "blue")
#Ensure that window can't be resized
tk.resizable(0,0)
#Place the window on top of all other windows
tk.wm_attributes("-topmost", 1)
#Images On/Off
on = "On.png"
off = "Off.png"
class Buttons():
"""Binary Helper"""
def __init__(self, btnRow=1, btnColumn=1, bitVal="0", bitRow=1, bitColumn=1,
binVal="0", binRow=1, binColumn=1, imgFile=off, imgRow=8, imgColumn=1):
self.btnRow = btnRow
self.btnColumn = btnColumn
self.bitVal = bitVal
self.bitRow = bitRow
self.bitColumn = bitColumn
self.binVal = binVal
self.binRow = binRow
self.binColumn = binColumn
self.imgFile = imgFile
self.imgRow = imgRow
self.imgColumn = imgColumn
def switching(self, event):
#Switching binVal 0/1
if self.binVal == "1":
self.binLbl.configure(text = "0")
self.binVal = "0"
self.imgFile = Image.open(off)
self.imgFile = ImageTk.PhotoImage(self.imgFile)
self.imgLbl = Label(tk,image = self.imgFile)
self.imgLbl.image = self.imgFile
self.imgLbl.grid(row = self.imgRow, column = self.imgColumn, pady=10)
elif self.binVal == "0":
self.binLbl.configure(text = "1")
self.binVal = "1"
self.imgFile = Image.open(on)
self.imgFile = ImageTk.PhotoImage(self.imgFile)
self.imgLbl = Label(tk,image = self.imgFile)
self.imgLbl.image = self.imgFile
self.imgLbl.grid(row = self.imgRow, column = self.imgColumn, pady=10)
#Switching bitVal 0/bitVal
if (self.bitVal == "128" or self.bitVal == "64" or self.bitVal == "32" or
self.bitVal == "16" or self.bitVal == "8" or self.bitVal == "4" or
self.bitVal == "2" or self.bitVal == "1"):
self.bitLbl.configure(text = "0")
self.bitVal = "0"
elif self.bitVal == "0":
if self.bitVal == btn128.bitVal:
self.bitLbl.configure(text = "128")
self.bitVal = "128"
if self.bitVal == btn64.bitVal:
self.bitLbl.configure(text = "64")
self.bitVal = "64"
if self.bitVal == btn32.bitVal:
self.bitLbl.configure(text = "32")
self.bitVal = "32"
if self.bitVal == btn16.bitVal:
self.bitLbl.configure(text = "16")
self.bitVal = "16"
if self.bitVal == btn8.bitVal:
self.bitLbl.configure(text = "8")
self.bitVal = "8"
if self.bitVal == btn4.bitVal:
self.bitLbl.configure(text = "4")
self.bitVal = "4"
if self.bitVal == btn2.bitVal:
self.bitLbl.configure(text = "2")
self.bitVal = "2"
if self.bitVal == btn1.bitVal:
self.bitLbl.configure(text = "1")
self.bitVal = "1"
#Calculating the binary value
if self.binVal == btn128.binVal and self.binVal == "1":
a = "1"
else:
a = "0"
if self.binVal == btn64.binVal and self.binVal == "1":
b = "1"
else:
b = "0"
if self.binVal == btn32.binVal and self.binVal == "1":
c = "1"
else:
c = "0"
if self.binVal == btn16.binVal and self.binVal == "1":
d = "1"
else:
d = "0"
if self.binVal == btn8.binVal and self.binVal == "1":
e = "1"
else:
e = "0"
if self.binVal == btn4.binVal and self.binVal == "1":
f = "1"
else:
f = "0"
if self.binVal == btn2.binVal and self.binVal == "1":
g = "1"
else:
g = "0"
if self.binVal == btn1.binVal and self.binVal == "1":
h = "1"
else:
h = "0"
#Concatenate result
binTotal = a+b+c+d+e+f+g+h
binaryAnswerLbl.configure(text = binTotal)
def createButtons(self):
#Creating the Bit values
self.bitLbl = Label(tk, text = self.bitVal, font = "Calibri 16", fg = "yellow", bg = "blue")
self.bitLbl.grid(row = self.bitRow, column = self.bitColumn)
#Creating the Binary on/off value
self.binLbl = Label(tk, text = self.binVal, font = "Calibri 16", fg = "yellow", bg = "blue")
self.binLbl.grid(row = self.binRow, column = self.binColumn)
#Creating the On/Off images
self.imgFile = Image.open(off)
self.imgFile = ImageTk.PhotoImage(self.imgFile)
self.imgLbl = Label(tk,image = self.imgFile)
self.imgLbl.image = self.imgFile
self.imgLbl.grid(row = self.imgRow, column = self.imgColumn, pady=10)
#Creating the buttons
self.btn = Button(tk,text = "On/Off")
self.btn.bind("<Button-1>",self.switching)
self.btn.grid(row = self.btnRow, column = self.btnColumn)
#Creating Main Heading
headingLbl = Label(tk, text = "Binary Helper", width = 30, font = "Calibri 32", fg = "white", bg = "blue")
headingLbl.grid(columnspan = 10, pady = 1)
#Creating Space 1
spaceLbl = Label(tk, bg = "blue")
spaceLbl.grid(columnspan = 10)
#Creating the Binary labels in row 1
binaryLbl = Label(tk, text = "Binary:", font = "Calibri 16", fg = "white", bg = "blue")
binaryLbl.grid(row = 2, column = 1, columnspan = 2)
binaryAnswerLbl = Label(tk, text = "00000000", font = "Calibri 16", fg = "black", bg = "white")
binaryAnswerLbl.grid(row = 2, column = 2, columnspan = 3)
#Creating the Denary labels in row 1
varDenary = StringVar()
denaryLbl = Label(tk, text = "Denary:", font = "Calibri 16", fg = "white", bg = "blue")
denaryLbl.grid(row = 2, column = 6, columnspan = 2)
denaryAnswerLbl = Label(tk, textvariable = varDenary, font = "Calibri 16", fg = "black", bg = "white")
denaryAnswerLbl.grid(row = 2, column = 7, columnspan = 3)
varDenary.set("219")
#Creating Space 2
spaceLbl = Label(tk, bg = "blue")
spaceLbl.grid(columnspan = 10)
#Creating instances of the Button Class Object
btn128 = Buttons(10,1,"0",4,1,"0",6,1,off,8,1)
btn128.createButtons()
btn64 = Buttons(10,2,"0",4,2,"0",6,2,off,8,2)
btn64.createButtons()
btn32 = Buttons(10,3,"0",4,3,"0",6,3,off,8,3)
btn32.createButtons()
btn16 = Buttons(10,4,"0",4,4,"0",6,4,off,8,4)
btn16.createButtons()
btn8 = Buttons(10,5,"0",4,5,"0",6,5,off,8,5)
btn8.createButtons()
btn4 = Buttons(10,6,"0",4,6,"0",6,6,off,8,6)
btn4.createButtons()
btn2 = Buttons(10,7,"0",4,7,"0",6,7,off,8,7)
btn2.createButtons()
btn1 = Buttons(10,8,"0",4,8,"0",6,8,off,8,8)
btn1.createButtons()
#Creating Space 3
spaceLbl = Label(tk, bg = "blue")
spaceLbl.grid(columnspan = 10)
…以下是两张图片:
在
#Calculating the binary value
下的if-else语句中,检查每个if上的self.binVal == "1"
。当self.binVal
为0时,所有条件都变为False
,a-h
都变为零。你应该检查一下但是在
binVal
中已经有了所有的1和0,为什么不把它们串联起来呢您可以为
denaryLbl
执行类似的操作:另外,您将大量数字存储为字符串,这不一定是个问题,但可能并不总是最直观的(因此
"1"
而不是1
,"128"
而不是128
)。此外,对于应该显示数字的标签,使用StingVar
,为什么不使用IntVar
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