拖动鼠标画椭圆

delphi369

from tkinter import *
root=Tk()
canvas=Canvas(root,bd=3,bg='green',width=300,height=350)
canvas.pack()
def mclick(event):
    global x1,y1
    x1=event.x
    y1=event.y
   
def mrelease(event):
    global x2,y2
    x2=event.x
    y2=event.y
   
    oval= canvas.create_oval(x1, y1, x2, y2, fill='yellow')
canvas.bind('<ButtonRelease-1>',mrelease)
canvas.bind('<ButtonPress-1>',mclick)
coord = 10, 50, 240, 210
arc = canvas.create_arc(coord, start=0, extent=150, fill="red")
oval = canvas.create_oval(60, 250, 250, 300, fill='blue')
root.mainloop()

戴宇轩

代码用代码格式发布

戴宇轩

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