0
나는 wx에서 내 자신의 과학적인 계산기를 만들려고했지만 예를 들어 3^4를 계산할 때 화면에 나타나는 것은 pow(x,y)입니다. 문제는이 계산을 3^4 .wxpython에 문제가있다
from __future__ import division # So that 8/3 will be 2.6666 and not 2
import wx
from math import *
from cmath import pi
class Calculator(wx.Panel):
'''Main calculator dialog'''
def __init__(self, *args, **kwargs):
wx.Panel.__init__(self, *args, **kwargs)
sizer = wx.BoxSizer(wx.VERTICAL) # Main vertical sizer
self.display = wx.ComboBox(self) # Current calculation
sizer.Add(self.display, 0, wx.EXPAND|wx.BOTTOM, 8) # Add to main sizer
gsizer = wx.GridSizer(9,4, 8, 8)
for row in (("(",")","x^y","root"),
("sin","cos","tan","e^x"),
("arcsin","arccos","arctan","π"),
("sinh","cosh","tanh","e"),
("arcsinh","arccosh","arctanh","n!"),
("7", "8", "9", "/"),
("4", "5", "6", "*"),
("1", "2", "3", "-"),
("0", ".", "C", "+")):
for label in row:
b = wx.Button(self, label=label, size=(50,-1))
gsizer.Add(b)
b.Bind(wx.EVT_BUTTON, self.OnButton)
sizer.Add(gsizer, 1, wx.EXPAND)
# [ = ]
b = wx.Button(self, label="=")
b.Bind(wx.EVT_BUTTON, self.OnButton)
sizer.Add(b, 0, wx.EXPAND|wx.ALL, 8)
self.equal = b
# Set sizer and center
self.SetSizerAndFit(sizer)
def OnButton(self, evt):
'''Handle button click event'''
# Get title of clicked button
label = evt.GetEventObject().GetLabel()
if label == "=": # Calculate
self.Calculate()
elif label == "C": # Clear
self.display.SetValue("")
elif label == "x^y":
self.display.SetValue("pow(x,y)")
elif label == "x^2":
self.display.SetValue("pow(x,2)")
elif label == "10^x":
self.display.SetValue("pow(10,x)")
elif label == "e^x":
self.display.SetValue("exp")
elif label == "arcsin":
self.display.SetValue("asin(x)")
elif label == "arccos":
self.display.SetValue("acos")
elif label == "arcsinh":
self.display.SetValue("asinh")
elif label == "arccosh":
self.display.SetValue("acosh")
elif label == "arctanh":
self.display.SetValue("atanh")
elif label == "arctan":
self.display.SetValue("atan")
elif label == "n!":
self.display.SetValue("factorial")
elif label == "π":
self.display.SetValue("pi")
elif label == "root":
self.display.SetValue("sqrt")
#x^y,x^2,10^x
else: # Just add button text to current calculation
self.display.SetValue(self.display.GetValue() + label)
self.display.SetInsertionPointEnd()
self.equal.SetFocus() # Set the [=] button in focus
def Calculate(self):
"""
do the calculation itself
in a separate method, so it can be called outside of a button event handler
"""
try:
compute = self.display.GetValue()
# Ignore empty calculation
if not compute.strip():
return
# Calculate result
result = eval(compute)
# Add to history
self.display.Insert(compute, 0)
# Show result
self.display.SetValue(str(result))
except e:
wx.LogError(str(e))
return
def ComputeExpression(self, expression):
"""
Compute the expression passed in.
This can be called from another class, module, etc.
"""
print ("ComputeExpression called with:"), expression
self.display.SetValue(expression)
self.Calculate()
class MainFrame(wx.Frame):
def __init__(self, *args, **kwargs):
kwargs.setdefault('title', "Calculator")
wx.Frame.__init__(self, *args, **kwargs)
self.calcPanel = Calculator(self)
# put the panel on -- in a sizer to give it some space
S = wx.BoxSizer(wx.VERTICAL)
S.Add(self.calcPanel, 1, wx.GROW|wx.ALL, 10)
self.SetSizerAndFit(S)
self.CenterOnScreen()
if __name__ == "__main__":
# Run the application
app = wx.App(False)
frame = MainFrame(None)
frame.Show()
app.MainLoop()
또한 수학 라이브러리 항목을 클릭 할 때마다 다른 것이 삭제됩니다. –
Stack Overflow에 오신 것을 환영합니다! 좋은 질문을하고 좋은 대답을 얻으려면 [SO Question Checklist] (http://meta.stackoverflow.com/questions/260648/stack-overflow-question-checklist)를 검토하십시오. –