【发布时间】:2020-03-13 16:20:29
【问题描述】:
我是 Python 的初学者,所以我的大部分代码都可能有问题,但我很难理解如何更改我一直在编程的小 tkinter 计算器应用程序的窗口名称。
当我运行我的代码时,我可以在窗口顶部框架的窗口中间看到字符“tk”。我查看了一些示例,但不明白如何将其应用于我的代码。我想用我自己选择的字符串替换“tk”。
这是我得到的:
#!/usr/bin/env python3
import tkinter as tk
root = tk.Tk()
canvas1 = tk.Canvas(root, width = 400, height = 300)
canvas1.pack()
#entry and label for value 1
entry1 = tk.Entry (root, width=30)
entry1.place(x=110, y = 80)
entry1Label = tk.Label(root, text="Number 1")
entry1Label.place(x=30, y = 80)
#entry and label for value 2
entry2 = tk.Entry (root, width=30)
entry2.place(x=110, y= 110)
entry2Label = tk.Label(root, text="Number 2")
entry2Label.place(x=30, y = 110)
#entry and label for sum
v = tk.StringVar()
v.set("Awaiting input...")
entry3 = tk.Entry (root, width=30, textvariable=v)
entry3.place(x=110, y=140)
sumLabel = tk.Label(root, text="Sum = ")
sumLabel.place(x=30, y=140)
#Calc functions
def calculatePlus():
x1 = entry1.get()
x2 = entry2.get()
try:
value1 = int(x1)
value2 = int(x2)
except ValueError:
v.set("Make sure you are using numeric values")
else:
sumValue = value1 + value2
v.set(sumValue)
def calculateMinus():
x1 = entry1.get()
x2 = entry2.get()
try:
value1 = int(x1)
value2 = int(x2)
except ValueError:
v.set("Make sure you are using numeric values")
else:
sumValue = value1 - value2
v.set(sumValue)
def calculateDivision():
x1 = entry1.get()
x2 = entry2.get()
try:
value1 = int(x1)
value2 = int(x2)
except ValueError:
v.set("Make sure you are using numeric values")
else:
sumValue = value1 / value2
v.set(sumValue)
def calculateMultiply():
x1 = entry1.get()
x2 = entry2.get()
try:
value1 = int(x1)
value2 = int(x2)
except ValueError:
v.set("Make sure you are using numeric values")
else:
sumValue = value1 * value2
v.set(sumValue)
#UI Buttons
buttonplus = tk.Button(text='+', command=calculatePlus)
buttonplus.place(x=130,y=190)
buttonminus = tk.Button(text='-', command=calculateMinus)
buttonminus.place(x=170,y=190)
buttondivide = tk.Button(text='/', command=calculateDivision)
buttondivide.place(x=210,y=190)
buttonmultiply = tk.Button(text='*', command=calculateMultiply)
buttonmultiply.place(x=250,y=190)
root.mainloop()
【问题讨论】:
-
这能回答你的问题吗? Change Title Bar on a Tk window