python中箭头是什么意思_python流程框⾥⾯的箭头是什么意
思
骑自行车的人
2015-05-21 回答
翡翠貔貅开光
物资管理办法你⽤的graphics模块？这不是内置的，虽然它是调⽤内置的tkinter画图。
option可以是"first","last","both"或"none"。见graphics.py:
def tarrow(lf, option):
if not option in ["first","last","both","none"]:三国争雄
rai graphicrror(bad_option)
lf._reconfig("arrow", option)
细节要查tk⽂档：
6.6. the canvas line object
in general, a line can consist of any number of gments connected end to end, and each gment can be straight or curved. to create a canvas line object on a canvas c, u:
茶用英语怎么说
id = c.create_line ( x0, y0, x1, y1, ..., xn, yn, option, ... )
the line goes through the ries of points
(x0,
y0),
(x1,
y1),
…
(xn,
yn).
options include:
湖南教师发展
arrow the default is for the line to have no arrowheads. u
arrow=first to get an arrowhead at the(x0,y0)end of the line. u
18读作什么arrow=last to get an arrowhead at the far end. u
arrow=both for arrowheads at both ends.
一个乙一个水念什么
