我在这段代码中遇到错误: 错误发生在我的函数settings()中的Button()命令中。但我没有任何计划如何解决它,对不起。我不能把3个命令在外部功能,因为它不会得到变量...Python:按钮命令+'&'
from turtle import *
from tkinter import *
reset()
hastrail = 1
def moveup():
setheading(90)
forward(5)
def movedown():
setheading(270)
forward(5)
def moveright():
setheading(0)
forward(5)
def moveleft():
setheading(180)
forward(5)
def turnleft():
left(18)
def turnright():
right(18)
def forw():
forward(5)
def backw():
backward(5)
def trailrem():
global hastrail
if hastrail == 1:
penup()
hastrail = 0
else:
pendown()
hastrail = 1
def settings():
color(str(colorchooser.askcolor(title = "Change a line color")[1]),str(colorchooser.askcolor(title = "Change a fill color")[1]))
tk = Tk()
tk.resizable(0,0)
tk.title("Shape, Shapesize, Pensize")
tk.geometry("400x90")
listbox = Listbox(tk)
listbox.place(x=0,y=0,width=200,height=90)
listbox.insert(1,"arrow")
listbox.insert(2,"turtle")
listbox.insert(3,"circle")
listbox.insert(4,"square")
listbox.insert(5,"triangle")
shsi = Scale(tk,width = 10,orient = HORIZONTAL)
shsi.place(x=200,y=0,width=200,height=30)
trsi = Scale(tk,width = 10, orient = HORIZONTAL)
trsi.place(x=200,y=30,width=200,height=30)
Button(tk,text="Save",command = lambda:shape(str(listbox.get(ACTIVE)))&shapesize(int(shsi.get()))&pensize(int(trsi.get()))).place(x=200,y=60,width=200,height=30)
onkeypress(moveup,"Up")
onkeypress(movedown,"Down")
onkeypress(moveright,"Right")
onkeypress(moveleft,"Left")
onkeypress(turnleft,"a")
onkeypress(turnright,"d")
onkeypress(forw,"w")
onkeypress(backw,"s")
onkeypress(trailrem,"t")
onkeypress(settings,"c")
listen()
mainloop()
请告诉我什么,我做错了//修复它请。
有什么具体问题?你是否收到错误消息或堆栈跟踪?你期望发生什么?发生了什么呢? – Chris 2014-09-05 17:05:01
另外,你的格式是* horrendous *。这段代码是不可读的。看看Python的官方风格指南[PEP 8](http://legacy.python.org/dev/peps/pep-0008/)。 – Chris 2014-09-05 17:06:26
我收到了一条错误消息。我想在一个按钮命令中更改海龟的Shape,Shapesize和Pensize。 pensize不会改变,并且出现错误消息:“TypeError:不支持的操作数类型为&:'NoneType'和'NoneType'” – ProgrammingDonkey 2014-09-05 17:06:54